Compounds > nickel monoxide
Page last updated: 2024-12-05

nickel monoxide

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth

Cross-References

ID SourceID
PubMed CID179931
MeSH IDM0090572

Synonyms (8)

Synonym
nickel oxide (ni3o4)
nickel monoxide
12137-09-6
nickel monoxid
nickel oxide [hsdb]
nickel monoxide [mi]
DTXSID7025710
AKOS040759816

Research Excerpts

Toxicity

ExcerptReferenceRelevance
"6H2O was the most toxic compound with exposure related mortality seen at exposure concentrations of 13."( Comparative toxicity of nickel oxide, nickel sulfate hexahydrate, and nickel subsulfide after 12 days of inhalation exposure to F344/N rats and B6C3F1 mice.
Benson, JM; Cheng, YS; Dunnick, JK; Eidson, AF; Hahn, FF; Hobbs, CH, 1988)		0.27
" NiO's were less toxic to rat AM than were the Ni-CuO compounds."( Comparative in vitro cytotoxicity of nickel oxides and nickel-copper oxides to rat, mouse, and dog pulmonary alveolar macrophages.
Benson, JM; Henderson, RF; Pickrell, JA, 1988)		0.27
" On the other hand, it is well-known that nickel compounds exert toxic effects."( Ultrafine NiO particles induce cytotoxicity in vitro by cellular uptake and subsequent Ni(II) release.
Endoh, S; Fujita, K; Horie, M; Iwahashi, H; Kato, H; Kinugasa, S; Miyauchi, A; Murayama, H; Nakamura, A; Nakanishi, J; Niki, E; Nishio, K; Yamamoto, K; Yoshida, Y, 2009)		0.35
" The attachment of aggregates to algal cell surface and the presence of released ionic Ni were likely responsible for the toxic effects."( Biotoxicity of nickel oxide nanoparticles and bio-remediation by microalgae Chlorella vulgaris.
Feng, W; Gong, N; Liang, C; Lin, Z; Shao, K; Sun, Y, 2011)		0.37
" Unlike a number of in vitro studies employing suspensions of silver nanoparticles, which have shown strong toxic effects, both suspensions and aerosolized nanoparticles caused negligible cytotoxicity and only a mild inflammatory response, in agreement with animal exposures."( Toxicity of silver nanoparticles at the air-liquid interface.
Holder, AL; Marr, LC, 2013)		0.39
" Benthic infaunal organisms living in sediments encounter relatively high concentrations of pollutants and may also suffer toxic effects of ENPs."( Accumulation and toxicity of metal oxide nanoparticles in a soft-sediment estuarine amphipod.
Hanna, SK; Keller, AA; Lenihan, HS; Miller, RJ; Zhou, D, 2013)		0.39
" Previously, toxic effects of NiO NPs have been investigated, mainly on airway cells."( Nickel oxide nanoparticles exert cytotoxicity via oxidative stress and induce apoptotic response in human liver cells (HepG2).
Ahamed, M; Akhtar, MJ; Alhadlaq, HA; Ali, D, 2013)		0.39
"Metal nanoparticles oxides and UFPs at low concentration could damage to cells, but the manufactured metal oxide nanoparticles are not highly toxic to lung cells compared to environmental particles."( Comparison of cellular toxicity caused by ambient ultrafine particles and engineered metal oxide nanoparticles.
Donaldson, K; Liu, P; Lu, S; Shang, Y; Wang, Q; Wu, M; Zhang, R; Zhang, W, 2015)		0.42
" Taken together, micron-sized Ni (Ni-m1) was more reactive and toxic compared to the nano-sized Ni."( Nickel Release, ROS Generation and Toxicity of Ni and NiO Micro- and Nanoparticles.
Di Bucchianico, S; Elihn, K; Hedberg, J; Karlsson, HL; Latvala, S; Möller, L; Odnevall Wallinder, I, 2016)		0.43
"Nanoparticles (NPs) apart from their widespread advantages and increased utilisation, have aroused concerns over their safe use."( Genotoxicity study of nickel oxide nanoparticles in female Wistar rats after acute oral exposure.
Chinde, S; Dumala, N; Grover, P; Kumari, SI; Mahoob, M; Mangalampalli, B; Rahman, MF, 2017)		0.46
" Further investigations are warranted to address the mechanism by which physiological path these NiO NPs exhibit their toxic nature in in vivo."( Repeated oral dose toxicity study of nickel oxide nanoparticles in Wistar rats: a histological and biochemical perspective.
Dumala, N; Grover, P; Kalyan Kamal, SS; Mangalampalli, B, 2019)		0.51
" When rats were given orally, in parallel with the toxic exposure, a set of innocuous substances with differing mechanisms of expected bioprotective action, the genotoxic effect of NiO-NPs was found to be substantially attenuated."( Toxic Effects of Low-Level Long-Term Inhalation Exposures of Rats to Nickel Oxide Nanoparticles.
Gurvich, VB; Katsnelson, BA; Klinova, SV; Korotkov, AV; Makeyev, OH; Minigalieva, IA; Privalova, LI; Saatkhudinova, RR; Shishkina, EV; Shuman, EА; Shur, VY; Solovyeva, SN; Sutunkova, MP; Tsaregorodtseva, АE; Valamina, IE; Zubarev, IV, 2019)		0.51
" Nevertheless, the toxic impact of NiO-NPs has not been clearly elucidated on human melanoma cell lines at the cellular and molecular level."( Nickel oxide nanoparticles exert selective toxicity on skin mitochondria and lysosomes isolated from the mouse model of melanoma.
Ashtari, K; Mousavi, Z; Naserzadeh, P; Pourahmad, J; Rahimi, S; Seydi, E, 2019)		0.51
" Third, for most organisms tested, nano-Ni was not more toxic on a mass-concentration basis than dissolved Ni."( Toxicity of Nanoparticulate Nickel to Aquatic Organisms: Review and Recommendations for Improvement of Toxicity Tests.
Garman, ER; Lyons-Darden, T; Meyer, JS; Middleton, ET; Schlekat, CE, 2020)		0.56

Bioavailability

ExcerptReferenceRelevance
" Thus, the bioavailability of nickel and the presence of constituents that promote oxygen free-radical reactions evidently influence the carcinogenicity of nickel oxides and related compounds."( Carcinogenesis bioassays of nickel oxides and nickel-copper oxides by intramuscular administration to Fischer-344 rats.
Hopfer, SM; Knight, JA; Plowman, MC; Sunderman, FW, 1990)		0.28
" Our results indicate that the toxicity and bioavailability of NiO nanoparticles to marine algae are reduced by aggregation and reduction of NiO."( Biotoxicity of nickel oxide nanoparticles and bio-remediation by microalgae Chlorella vulgaris.
Feng, W; Gong, N; Liang, C; Lin, Z; Shao, K; Sun, Y, 2011)		0.37
" Here, we performed physicochemical characterization of NiO and metallic Ni nanoparticles and examined their metal ion bioavailability and toxicological properties in human lung epithelial cells."( Bioavailability, intracellular mobilization of nickel, and HIF-1α activation in human lung epithelial cells exposed to metallic nickel and nickel oxide nanoparticles.
Hurt, R; Kane, AB; Liu, X; McNeil, K; Pietruska, JR; Smith, A; Weston, P; Zhitkovich, A, 2011)		0.37
" The findings of this study have important implications for the risk assessment of engineered nanomaterials - in aquatic environments nano-NiO (and likely other metal oxide nanomaterials) can strongly adsorb tetracycline antibiotics, resulting in the changes of environmental risks of the metal oxide nanomaterials and/or bioavailability of the adsorbed contaminants."( Adsorption of tetracycline to nano-NiO: the effect of co-existing Cu(ii) ions and environmental implications.
Chen, W; Duan, L; Li, L; Xu, Z, 2014)		0.4

Dosage Studied

ExcerptRelevanceReference
" We show that an oxide is formed on both the Ni(111) and the Au/Ni(111) surfaces when oxygen is dosed at 100 K, and that CO can be oxidized at 100 K on both of these surfaces in the presence of weakly bound oxygen."( Low-temperature CO oxidation on Ni(111) and on a Au/Ni(111) surface alloy.
Andersen, JN; Besenbacher, F; Knudsen, J; Laegsgaard, E; Mavrikakis, M; Merte, LR; Peng, G; Resta, A; Vang, RT, 2010)		0.36
" Also, the effect of the kinds of catalyst, temperature, pH, initial concentration, and dosage of catalyst on the efficiency of 4-NP degradation was investigated."( High efficiency degradation of 4-nitrophenol by microwave-enhanced catalytic method.
Chen, JH; Lai, TL; Shu, YY; Wang, CB; Yong, KF; Yu, JW, 2011)		0.37
" The CFU was reduced in a culture medium containing metal oxide NP, and the dose-response relationship was characterized."( Microbial toxicity of metal oxide nanoparticles (CuO, NiO, ZnO, and Sb2O3) to Escherichia coli, Bacillus subtilis, and Streptococcus aureus.
An, YJ; Baek, YW, 2011)		0.37
" The XPS data were taken in situ from NPs after different stages of oxidation, including controlled dosing of O(2) gas in the experimental system and exposure to the atmosphere."( Structure and stability of nickel/nickel oxide core-shell nanoparticles.
Altieri, S; D'Addato, S; Frabboni, S; Grillo, V; Tondi, R; Valeri, S, 2011)		0.37
" Agglomeration of nanomaterials in biologically relevant media used in in vitro methods further complicates dosing in toxicological study."( A comparison of three dispersion media on the physicochemical and toxicological behavior of TiO2 and NiO nanoparticles.
Gutierrez, ER; Jaspers, I; Kamens, RM; Sexton, K; Tolocka, M, 2015)		0.42
" To do so, the effect of four parameters including the concentration of Cr(VI), the dosage of NiO, contact time, and pH on the removal of Cr(VI) by NiO nanoparticles were studied."( Optimizing adsorption of Cr(VI) from aqueous solutions by NiO nanoparticles using Taguchi and response surface methods.
Behnajady, MA; Khosravi, M; Modirshahla, N; Sohrabi, MR; Ziaeifar, N, 2015)		0.42
"The results of lung histopathology showed that the widened alveolar speta, inflammatory infiltration and nanoparticles deposition increased with the increasing dosage of nano NiO."( [Role of nitrative stress in nano nickel oxide-induced lung injury in rats].
Chang, X; Liu, S; Su, L; Sun, Y; Zhou, H; Zhu, A; Zou, L, 2016)		0.43
" The percentage of neutrophils in BALF was selected as a toxicity endpoint and the potential for reactive oxygen species (ROS) generation, dose-response of the combined effect, sequential treatment of CB and NiO, and uptake of NiO to alveolar macrophages after combined treatment of CB and NiO were evaluated for the mechanism of the combined effect."( Combination effect of nanoparticles on the acute pulmonary inflammogenic potential: additive effect and antagonistic effect.
Cho, JH; Cho, WS; Jeon, S; Jeong, J; Kim, JS; Kim, SH; Lee, DK; Lee, S; Park, H, 2021)		0.62
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (578)

TimeframeStudies, This Drug (%)All Drugs %
pre-199026 (4.50)18.7374
1990's23 (3.98)18.2507
2000's70 (12.11)29.6817
2010's361 (62.46)24.3611
2020's98 (16.96)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews7 (1.20%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other574 (98.80%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]
SubstanceRelationship StrengthStudiesTrialsClassesRoles
acetic acid
Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed). acetic acid : A simple monocarboxylic acid containing two carbons.		2.3720monocarboxylic acidantimicrobial food preservative;
Daphnia magna metabolite;
food acidity regulator;
protic solvent
acetaldehyde
Acetaldehyde: A colorless, flammable liquid used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. It has a general narcotic action and also causes irritation of mucous membranes. Large doses may cause death from respiratory paralysis.. acetaldehyde : The aldehyde formed from acetic acid by reduction of the carboxy group. It is the most abundant carcinogen in tobacco smoke.. aldehyde : A compound RC(=O)H, in which a carbonyl group is bonded to one hydrogen atom and to one R group.. acetyl group : A group, formally derived from acetic acid by dehydroxylation, which is fundamental to the biochemistry of all forms of life. When bound to coenzyme A, it is central to the metabolism of carbohydrates and fats.		2.2510aldehydecarcinogenic agent;
EC 3.5.1.4 (amidase) inhibitor;
electron acceptor;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
mutagen;
oxidising agent;
Saccharomyces cerevisiae metabolite;
teratogenic agent
ammonium hydroxide
azane : Saturated acyclic nitrogen hydrides having the general formula NnHn+2.		2.4920azane;
gas molecular entity;
mononuclear parent hydride		EC 3.5.1.4 (amidase) inhibitor;
metabolite;
mouse metabolite;
neurotoxin;
NMR chemical shift reference compound;
nucleophilic reagent;
refrigerant
benzene
[no description available]		2.0410aromatic annulene;
benzenes;
volatile organic compound		carcinogenic agent;
environmental contaminant;
non-polar solvent
bromide
Bromides: Salts of hydrobromic acid, HBr, with the bromine atom in the 1- oxidation state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)		2.0810halide anion;
monoatomic bromine
carbon monoxide
Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed). carbon monoxide : A one-carbon compound in which the carbon is joined only to a single oxygen. It is a colourless, odourless, tasteless, toxic gas.		2.7730carbon oxide;
gas molecular entity;
one-carbon compound		biomarker;
EC 1.9.3.1 (cytochrome c oxidase) inhibitor;
human metabolite;
ligand;
metabolite;
mitochondrial respiratory-chain inhibitor;
mouse metabolite;
neurotoxin;
neurotransmitter;
P450 inhibitor;
probe;
signalling molecule;
vasodilator agent
methane
Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed). methane : A one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas (b.p. -161degreeC).		4.69260alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound		bacterial metabolite;
fossil fuel;
greenhouse gas
choline
[no description available]		2.110cholinesallergen;
Daphnia magna metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
neurotransmitter;
nutrient;
plant metabolite;
Saccharomyces cerevisiae metabolite
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion.		2.3720halide anion;
monoatomic chlorine		cofactor;
Escherichia coli metabolite;
human metabolite
salicylic acid
Scalp: The outer covering of the calvaria. It is composed of several layers: SKIN; subcutaneous connective tissue; the occipitofrontal muscle which includes the tendinous galea aponeurotica; loose connective tissue; and the pericranium (the PERIOSTEUM of the SKULL).		2.2110monohydroxybenzoic acidalgal metabolite;
antifungal agent;
antiinfective agent;
EC 1.11.1.11 (L-ascorbate peroxidase) inhibitor;
keratolytic drug;
plant hormone;
plant metabolite
octanoic acid
octanoic acid: RN given refers to parent cpd; structure in Merck Index, 9th ed, #1764. octanoic acid : A straight-chain saturated fatty acid that is heptane in which one of the hydrogens of a terminal methyl group has been replaced by a carboxy group. Octanoic acid is also known as caprylic acid.		2.0710medium-chain fatty acid;
straight-chain saturated fatty acid		antibacterial agent;
Escherichia coli metabolite;
human metabolite
hydrogen sulfide
Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed). hydrogen sulfide : A sulfur hydride consisting of a single sulfur atom bonded to two hydrogen atoms. A highly poisonous, flammable gas with a characteristic odour of rotten eggs, it is often produced by bacterial decomposition of organic matter in the absence of oxygen.. thiol : An organosulfur compound in which a thiol group, -SH, is attached to a carbon atom of any aliphatic or aromatic moiety.		2.5120gas molecular entity;
hydracid;
mononuclear parent hydride;
sulfur hydride		Escherichia coli metabolite;
genotoxin;
metabolite;
signalling molecule;
toxin;
vasodilator agent
lactic acid
Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed). 2-hydroxypropanoic acid : A 2-hydroxy monocarboxylic acid that is propanoic acid in which one of the alpha-hydrogens is replaced by a hydroxy group.		2.15102-hydroxy monocarboxylic acidalgal metabolite;
Daphnia magna metabolite
dimethyl sulfoxide
Dimethyl Sulfoxide: A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.. dimethyl sulfoxide : A 2-carbon sulfoxide in which the sulfur atom has two methyl substituents.		1.9910sulfoxide;
volatile organic compound		alkylating agent;
antidote;
Escherichia coli metabolite;
geroprotector;
MRI contrast agent;
non-narcotic analgesic;
polar aprotic solvent;
radical scavenger
glycine
[no description available]		2.1110alpha-amino acid;
amino acid zwitterion;
proteinogenic amino acid;
serine family amino acid		EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor;
fundamental metabolite;
hepatoprotective agent;
micronutrient;
neurotransmitter;
NMDA receptor agonist;
nutraceutical
hydrogen
Hydrogen: The first chemical element in the periodic table with atomic symbol H, and atomic number 1. Protium (atomic weight 1) is by far the most common hydrogen isotope. Hydrogen also exists as the stable isotope DEUTERIUM (atomic weight 2) and the radioactive isotope TRITIUM (atomic weight 3). Hydrogen forms into a diatomic molecule at room temperature and appears as a highly flammable colorless and odorless gas.. dihydrogen : An elemental molecule consisting of two hydrogens joined by a single bond.		3.78100elemental hydrogen;
elemental molecule;
gas molecular entity		antioxidant;
electron donor;
food packaging gas;
fuel;
human metabolite
hydroxylamine
amino alcohol : An alcohol containing an amino functional group in addition to the alcohol-defining hydroxy group.		1.9810hydroxylaminesalgal metabolite;
bacterial xenobiotic metabolite;
EC 1.1.3.13 (alcohol oxidase) inhibitor;
EC 4.2.1.22 (cystathionine beta-synthase) inhibitor;
EC 4.3.1.10 (serine-sulfate ammonia-lyase) inhibitor;
nitric oxide donor;
nucleophilic reagent
imidazole
imidazole: RN given refers to parent cpd. 1H-imidazole : An imidazole tautomer which has the migrating hydrogen at position 1.		2.2510imidazole
methanol
Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.. primary alcohol : A primary alcohol is a compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it.. methanol : The primary alcohol that is the simplest aliphatic alcohol, comprising a methyl and an alcohol group.		1.9610alkyl alcohol;
one-carbon compound;
primary alcohol;
volatile organic compound		amphiprotic solvent;
Escherichia coli metabolite;
fuel;
human metabolite;
mouse metabolite;
Mycoplasma genitalium metabolite
nickel
Nickel: A trace element with the atomic symbol Ni, atomic number 28, and atomic weight 58.69. It is a cofactor of the enzyme UREASE.. nickel ion : A nickel atom having a net electric charge.. nickel atom : Chemical element (nickel group element atom) with atomic number 28.		10.275590metal allergen;
nickel group element atom		epitope;
micronutrient
1-octanol
1-Octanol: A colorless, slightly viscous liquid used as a defoaming or wetting agent. It is also used as a solvent for protective coatings, waxes, and oils, and as a raw material for plasticizers. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). octan-1-ol : An octanol carrying the hydroxy group at position 1.		2.0710octanol;
primary alcohol		antifungal agent;
bacterial metabolite;
fuel additive;
kairomone;
plant metabolite
hydroxide ion
[no description available]		2.4720oxygen hydridemouse metabolite
oxalic acid
Oxalic Acid: A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.. oxalic acid : An alpha,omega-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2.		2.1710alpha,omega-dicarboxylic acidalgal metabolite;
human metabolite;
plant metabolite
4-aminobenzoic acid
4-Aminobenzoic Acid: An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS.. 4-ammoniobenzoate : A zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-aminobenzoic acid.. 4-aminobenzoic acid : An aminobenzoic acid in which the amino group is para to the carboxy group.		2.1710aminobenzoic acid;
aromatic amino-acid zwitterion		allergen;
Escherichia coli metabolite;
plant metabolite
4-nitrophenol
4-nitrophenol: RN given refers to parent cpd. mononitrophenol : A nitrophenol that is phenol carrying a single nitro substituent at unspecified position.. 4-nitrophenol : A member of the class of 4-nitrophenols that is phenol in which the hydrogen that is para to the hydroxy group has been replaced by a nitro group.		2.51204-nitrophenolshuman xenobiotic metabolite;
mouse metabolite
parathion
[no description available]		2.1710C-nitro compound;
organic thiophosphate;
organothiophosphate insecticide		acaricide;
agrochemical;
avicide;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
mouse metabolite
phenol
[no description available]		2.0410phenolsantiseptic drug;
disinfectant;
human xenobiotic metabolite;
mouse metabolite
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom.		2.4820sulfur oxoacidcatalyst
sulfur dioxide
Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant.		2.0810sulfur oxideEscherichia coli metabolite;
food bleaching agent;
refrigerant
toluene
methylbenzene : Any alkylbenzene that is benzene substituted with one or more methyl groups.		2.0810methylbenzene;
toluenes;
volatile organic compound		cholinergic antagonist;
fuel additive;
neurotoxin;
non-polar solvent
uric acid
Uric Acid: An oxidation product, via XANTHINE OXIDASE, of oxypurines such as XANTHINE and HYPOXANTHINE. It is the final oxidation product of purine catabolism in humans and primates, whereas in most other mammals URATE OXIDASE further oxidizes it to ALLANTOIN.. uric acid : An oxopurine that is the final oxidation product of purine metabolism.. 6-hydroxy-1H-purine-2,8(7H,9H)-dione : A tautomer of uric acid having oxo groups at C-2 and C-8 and a hydroxy group at C-6.. 7,9-dihydro-1H-purine-2,6,8(3H)-trione : An oxopurine in which the purine ring is substituted by oxo groups at positions 2, 6, and 8.		3.0440uric acidEscherichia coli metabolite;
human metabolite;
mouse metabolite
urea
pseudourea: clinical use; structure. isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives.		340isourea;
monocarboxylic acid amide;
one-carbon compound		Daphnia magna metabolite;
Escherichia coli metabolite;
fertilizer;
flour treatment agent;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite
1,10-phenanthroline
1,10-phenanthroline: RN given refers to parent cpd; inhibits Zn-dependent metalloproteinases		2.0810phenanthrolineEC 2.7.1.1 (hexokinase) inhibitor;
EC 3.4.19.3 (pyroglutamyl-peptidase I) inhibitor
2,2'-dipyridyl
2,2'-Dipyridyl: A reagent used for the determination of iron.. 2,2'-bipyridine : A bipyridine in which the two pyridine moieties are linked by a bond between positions C-2 and C-2'.		2.0810bipyridinechelator;
ferroptosis inhibitor
2,4-dichlorophenoxyacetic acid
2,4-Dichlorophenoxyacetic Acid: An herbicide with irritant effects on the eye and the gastrointestinal system.. 2,4-D : A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines.		2.0810chlorophenoxyacetic acid;
dichlorobenzene		agrochemical;
defoliant;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
environmental contaminant;
phenoxy herbicide;
synthetic auxin
3-methylcholanthrene
Methylcholanthrene: A carcinogen that is often used in experimental cancer studies.. 3-methylcholanthrene : A pentacyclic ortho- and peri-fused polycyclic arene consisting of a dihydrocyclopenta[ij]tetraphene ring system with a methyl substituent at the 3-position.		2.1710ortho- and peri-fused polycyclic arenearyl hydrocarbon receptor agonist;
carcinogenic agent
5,5-dimethyl-1-pyrroline-1-oxide
5,5-dimethyl-1-pyrroline-1-oxide: do not confuse with DMPO (4',5'-dihydroxy-7-methoxy-4-phenyl-5,2'-oxidocoumarin). 5,5-dimethyl-1-pyrroline N-oxide : A member of the class of 1-pyrroline nitrones (1-pyrroline N-oxides) resulting from the formal N-oxidation of 5,5-dimethyl-1-pyrroline. Used as a spin trap for the study of radicals formed by enzymatic acetaldehyde oxidation.		1.99101-pyrroline nitronesneuroprotective agent;
spin trapping reagent
acetaminophen
Acetaminophen: Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.. paracetamol : A member of the class of phenols that is 4-aminophenol in which one of the hydrogens attached to the amino group has been replaced by an acetyl group.		3.2350acetamides;
phenols		antipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
cyclooxygenase 3 inhibitor;
environmental contaminant;
ferroptosis inducer;
geroprotector;
hepatotoxic agent;
human blood serum metabolite;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic
albendazole
[no description available]		2.3110aryl sulfide;
benzimidazoles;
benzimidazolylcarbamate fungicide;
carbamate ester		anthelminthic drug;
microtubule-destabilising agent;
tubulin modulator
alprazolam
Alprazolam: A triazolobenzodiazepine compound with antianxiety and sedative-hypnotic actions, that is efficacious in the treatment of PANIC DISORDERS, with or without AGORAPHOBIA, and in generalized ANXIETY DISORDERS. (From AMA Drug Evaluations Annual, 1994, p238). alprazolam : A member of the class of triazolobenzodiazepines that is 4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine carrying methyl, phenyl and chloro substituents at positions 1, 6 and 8 respectively. Alprazolam is only found in individuals that have taken this drug.		2.4110organochlorine compound;
triazolobenzodiazepine		anticonvulsant;
anxiolytic drug;
GABA agonist;
muscle relaxant;
sedative;
xenobiotic
p-aminohippuric acid
p-Aminohippuric Acid: The glycine amide of 4-aminobenzoic acid. Its sodium salt is used as a diagnostic aid to measure effective renal plasma flow (ERPF) and excretory capacity.. p-aminohippurate : A hippurate that is the conjugate base of p-aminohippuric acid, arising from deprotonation of the carboxy group.. p-aminohippuric acid : An N-acylglycine that is the 4-amino derivative of hippuric acid; used as a diagnostic agent in the measurement of renal plasma flow.		210N-acylglycineDaphnia magna metabolite
carbofuran
Carbofuran: A cholinesterase inhibitor that is used as a systemic insecticide, an acaricide, and nematocide. (From Merck Index, 11th ed)		2.08101-benzofurans;
carbamate ester		acaricide;
agrochemical;
avicide;
carbamate insecticide;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
nematicide
cefuroxime
Cefuroxime: Broad-spectrum cephalosporin antibiotic resistant to beta-lactamase. It has been proposed for infections with gram-negative and gram-positive organisms, GONORRHEA, and HAEMOPHILUS.. cefuroxime : A 3-(carbamoyloxymethyl)cephalosporin compound having a 7-(2Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido side chain.		2.1110carbamate ester;
cephalosporin
cetyltrimethylammonium ion
Cetrimonium: Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics.. cetyltrimethylammonium ion : A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups.		2.0710quaternary ammonium ion
chlorpyrifos
Chlorpyrifos: An organothiophosphate cholinesterase inhibitor that is used as an insecticide and as an acaricide.. chlorpyrifos : An organic thiophosphate that is O,O-diethyl hydrogen phosphorothioate in which the hydrogen of the hydroxy group has been replaced by a 3,5,6-trichloropyridin-2-yl group.		2.0810chloropyridine;
organic thiophosphate		acaricide;
agrochemical;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
environmental contaminant;
insecticide;
xenobiotic
ciprofloxacin
Ciprofloxacin: A broad-spectrum antimicrobial carboxyfluoroquinoline.. ciprofloxacin : A quinolone that is quinolin-4(1H)-one bearing cyclopropyl, carboxylic acid, fluoro and piperazin-1-yl substituents at positions 1, 3, 6 and 7, respectively.		2.6120aminoquinoline;
cyclopropanes;
fluoroquinolone antibiotic;
N-arylpiperazine;
quinolinemonocarboxylic acid;
quinolone antibiotic;
quinolone;
zwitterion		antibacterial drug;
antiinfective agent;
antimicrobial agent;
DNA synthesis inhibitor;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
environmental contaminant;
topoisomerase IV inhibitor;
xenobiotic
diclofenac
Diclofenac: A non-steroidal anti-inflammatory agent (NSAID) with antipyretic and analgesic actions. It is primarily available as the sodium salt.. diclofenac : A monocarboxylic acid consisting of phenylacetic acid having a (2,6-dichlorophenyl)amino group at the 2-position.		2.110amino acid;
aromatic amine;
dichlorobenzene;
monocarboxylic acid;
secondary amino compound		antipyretic;
drug allergen;
EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor;
environmental contaminant;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
xenobiotic
erythrosine
Fluoresceins: A family of spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one derivatives. These are used as dyes, as indicators for various metals, and as fluorescent labels in immunoassays.		1.9810
gentamicin
Gentamicins: A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS.		2.3110
haloperidol
Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety.		2.1310aromatic ketone;
hydroxypiperidine;
monochlorobenzenes;
organofluorine compound;
tertiary alcohol		antidyskinesia agent;
antiemetic;
dopaminergic antagonist;
first generation antipsychotic;
serotonergic antagonist
hydrochlorothiazide
Hydrochlorothiazide: A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It is used in the treatment of several disorders including edema, hypertension, diabetes insipidus, and hypoparathyroidism.. hydrochlorothiazide : A benzothiadiazine that is 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide substituted by a chloro group at position 6 and a sulfonamide at 7. It is diuretic used for the treatment of hypertension and congestive heart failure.		2.1510benzothiadiazine;
organochlorine compound;
sulfonamide		antihypertensive agent;
diuretic;
environmental contaminant;
xenobiotic
isoflurane
Isoflurane: A stable, non-explosive inhalation anesthetic, relatively free from significant side effects.		2.1310organofluorine compoundinhalation anaesthetic
isoniazid
Hydra: A genus of freshwater polyps in the family Hydridae, order Hydroida, class HYDROZOA. They are of special interest because of their complex organization and because their adult organization corresponds roughly to the gastrula of higher animals.. hydrazide : Compounds derived from oxoacids RkE(=O)l(OH)m (l =/= 0) by replacing -OH by -NRNR2 (R groups are commonly H). (IUPAC).		2.8220carbohydrazideantitubercular agent;
drug allergen
mebeverine
mebeverine: RN given refers to parent cpd; structure		2.610methoxybenzoic acid
metformin
Metformin: A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289). metformin : A member of the class of guanidines that is biguanide the carrying two methyl substituents at position 1.		2.0510guanidinesenvironmental contaminant;
geroprotector;
hypoglycemic agent;
xenobiotic
methyl parathion
Methyl Parathion: The methyl homolog of parathion. An effective, but highly toxic, organothiophosphate insecticide and cholinesterase inhibitor.. parathion-methyl : A C-nitro compound that is 4-nitrophenol substituted by a (dimethoxyphosphorothioyl)oxy group at position 4.		2.0810C-nitro compound;
organic thiophosphate;
organothiophosphate insecticide		acaricide;
agrochemical;
antifungal agent;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
environmental contaminant;
genotoxin
midazolam
Midazolam: A short-acting hypnotic-sedative drug with anxiolytic and amnestic properties. It is used in dentistry, cardiac surgery, endoscopic procedures, as preanesthetic medication, and as an adjunct to local anesthesia. The short duration and cardiorespiratory stability makes it useful in poor-risk, elderly, and cardiac patients. It is water-soluble at pH less than 4 and lipid-soluble at physiological pH.. midazolam : An imidazobenzodiazepine that is 4H-imidazo[1,5-a][1,4]benzodiazepine which is substituted by a methyl, 2-fluorophenyl and chloro groups at positions 1, 6 and 8, respectively.		2.1310imidazobenzodiazepine;
monofluorobenzenes;
organochlorine compound		anticonvulsant;
antineoplastic agent;
anxiolytic drug;
apoptosis inducer;
central nervous system depressant;
GABAA receptor agonist;
general anaesthetic;
muscle relaxant;
sedative
norfloxacin
Norfloxacin: A synthetic fluoroquinolone (FLUOROQUINOLONES) with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin inhibits bacterial DNA GYRASE.. norfloxacin : A quinolinemonocarboxylic acid with broad-spectrum antibacterial activity against most gram-negative and gram-positive bacteria. Norfloxacin is bactericidal and its mode of action depends on blocking of bacterial DNA replication by binding itself to an enzyme called DNA gyrase.		2.1710fluoroquinolone antibiotic;
N-arylpiperazine;
quinolinemonocarboxylic acid;
quinolone antibiotic;
quinolone		antibacterial drug;
DNA synthesis inhibitor;
environmental contaminant;
xenobiotic
4-chlorophenol
4-chlorophenol: used as a root canal irrigant. 4-chlorophenol : A monochlorophenol substituted at the pare position by a chlorine atom.		2.4920monochlorophenol
pentobarbital
Pentobarbital: A short-acting barbiturate that is effective as a sedative and hypnotic (but not as an anti-anxiety) agent and is usually given orally. It is prescribed more frequently for sleep induction than for sedation but, like similar agents, may lose its effectiveness by the second week of continued administration. (From AMA Drug Evaluations Annual, 1994, p236). pentobarbital : A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by ethyl and sec-pentyl groups.		2.1310barbituratesGABAA receptor agonist
sodium fluoride
[no description available]		2.0510fluoride saltmutagen
sulfasalazine
Sulfasalazine: A drug that is used in the management of inflammatory bowel diseases. Its activity is generally considered to lie in its metabolic breakdown product, 5-aminosalicylic acid (see MESALAMINE) released in the colon. (From Martindale, The Extra Pharmacopoeia, 30th ed, p907). sulfasalazine : An azobenzene consisting of diphenyldiazene having a carboxy substituent at the 4-position, a hydroxy substituent at the 3-position and a 2-pyridylaminosulphonyl substituent at the 4'-position.		2.1710
benzimidazole
1H-benzimidazole : The 1H-tautomer of benzimidazole.		2.1310benzimidazole;
polycyclic heteroarene
hydroxyproline
Hydroxyproline: A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.. hydroxyproline : A proline derivative that is proline substituted by at least one hydroxy group.		2.21104-hydroxyproline;
L-alpha-amino acid zwitterion		human metabolite;
mouse metabolite;
plant metabolite
serine
Serine: A non-essential amino acid occurring in natural form as the L-isomer. It is synthesized from GLYCINE or THREONINE. It is involved in the biosynthesis of PURINES; PYRIMIDINES; and other amino acids.. serine : An alpha-amino acid that is alanine substituted at position 3 by a hydroxy group.		2.1110L-alpha-amino acid;
proteinogenic amino acid;
serine family amino acid;
serine zwitterion;
serine		algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite
cyanides
Cyanides: Inorganic salts of HYDROGEN CYANIDE containing the -CN radical. The concept also includes isocyanides. It is distinguished from NITRILES, which denotes organic compounds containing the -CN radical.. cyanides : Salts and C-organyl derivatives of hydrogen cyanide, HC#N.. isocyanide : The isomer HN(+)#C(-) of hydrocyanic acid, HC#N, and its hydrocarbyl derivatives RNC (RN(+)#C(-)).. cyanide : A pseudohalide anion that is the conjugate base of hydrogen cyanide.		2.1110pseudohalide anionEC 1.9.3.1 (cytochrome c oxidase) inhibitor
2,3,4,6-tetrachlorophenol
2,3,4,6-tetrachlorophenol: RN given refers to parent cpd; see also record for tetrachlorophenol with locants for chloro groups not specified. 2,3,4,6-tetrachlorophenol : A tetrachlorophenol in which the chlorines are located at positions 2, 3, 4, and 6.		2.7930tetrachlorophenolxenobiotic metabolite
tyrosine
Tyrosine: A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.. tyrosine : An alpha-amino acid that is phenylalanine bearing a hydroxy substituent at position 4 on the phenyl ring.		2.1510amino acid zwitterion;
erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid;
proteinogenic amino acid;
tyrosine		EC 1.3.1.43 (arogenate dehydrogenase) inhibitor;
fundamental metabolite;
micronutrient;
nutraceutical
cysteamine
Cysteamine: A mercaptoethylamine compound that is endogenously derived from the COENZYME A degradative pathway. The fact that cysteamine is readily transported into LYSOSOMES where it reacts with CYSTINE to form cysteine-cysteamine disulfide and CYSTEINE has led to its use in CYSTINE DEPLETING AGENTS for the treatment of CYSTINOSIS.. cysteamine : An amine that consists of an ethane skeleton substituted with a thiol group at C-1 and an amino group at C-2.		2.0810amine;
thiol		geroprotector;
human metabolite;
mouse metabolite;
radiation protective agent
methylene blue
Methylene Blue: A compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene blue is used as a bacteriologic stain and as an indicator. It inhibits GUANYLATE CYCLASE, and has been used to treat cyanide poisoning and to lower levels of METHEMOGLOBIN.. methylene blue : An organic chloride salt having 3,7-bis(dimethylamino)phenothiazin-5-ium as the counterion. A commonly used dye that also exhibits antioxidant, antimalarial, antidepressant and cardioprotective properties.		3.2150organic chloride saltacid-base indicator;
antidepressant;
antimalarial;
antimicrobial agent;
antioxidant;
cardioprotective agent;
EC 1.4.3.4 (monoamine oxidase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
EC 4.6.1.2 (guanylate cyclase) inhibitor;
fluorochrome;
histological dye;
neuroprotective agent;
physical tracer
aniline
[no description available]		2.9940anilines;
primary arylamine
lactose
Lactose: A disaccharide of GLUCOSE and GALACTOSE in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry.. lactose : A glycosylglucose disaccharide, found most notably in milk, that consists of D-galactose and D-glucose fragments bonded through a beta-1->4 glycosidic linkage. The glucose fragment can be in either the alpha- or beta-pyranose form, whereas the galactose fragment can only have the beta-pyranose form.. beta-lactose : The beta-anomer of lactose.		2.0710lactose
1,2-dipalmitoylphosphatidylcholine
1,2-Dipalmitoylphosphatidylcholine: Synthetic phospholipid used in liposomes and lipid bilayers to study biological membranes. It is also a major constituent of PULMONARY SURFACTANTS.		2.1310
mannitol
[no description available]		210mannitolallergen;
antiglaucoma drug;
compatible osmolytes;
Escherichia coli metabolite;
food anticaking agent;
food bulking agent;
food humectant;
food stabiliser;
food thickening agent;
hapten;
metabolite;
osmotic diuretic;
sweetening agent
histidine
Histidine: An essential amino acid that is required for the production of HISTAMINE.. L-histidine : The L-enantiomer of the amino acid histidine.. histidine : An alpha-amino acid that is propanoic acid bearing an amino substituent at position 2 and a 1H-imidazol-4-yl group at position 3.		2.4720amino acid zwitterion;
histidine;
L-alpha-amino acid;
polar amino acid zwitterion;
proteinogenic amino acid		algal metabolite;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite
tryptophan
Tryptophan: An essential amino acid that is necessary for normal growth in infants and for NITROGEN balance in adults. It is a precursor of INDOLE ALKALOIDS in plants. It is a precursor of SEROTONIN (hence its use as an antidepressant and sleep aid). It can be a precursor to NIACIN, albeit inefficiently, in mammals.. tryptophan : An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3.		2.1310erythrose 4-phosphate/phosphoenolpyruvate family amino acid;
L-alpha-amino acid zwitterion;
L-alpha-amino acid;
proteinogenic amino acid;
tryptophan zwitterion;
tryptophan		antidepressant;
Escherichia coli metabolite;
human metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
plant metabolite;
Saccharomyces cerevisiae metabolite
propane
Propane: A three carbon alkane with the formula H3CCH2CH3.		1.9810alkane;
gas molecular entity		food propellant
methylene chloride
Methylene Chloride: A chlorinated hydrocarbon that has been used as an inhalation anesthetic and acts as a narcotic in high concentrations. Its primary use is as a solvent in manufacturing and food technology.. dichloromethane : A member of the class of chloromethanes that is methane in which two of the hydrogens have been replaced by chlorine. A dense, non-flammible colourless liquid at room temperature (b.p. 40degreeC, d = 1.33) which is immiscible with water, it is widely used as a solvent, a paint stripper, and for the removal of caffeine from coffee and tea.		210chloromethanes;
volatile organic compound		carcinogenic agent;
polar aprotic solvent;
refrigerant
phencyclidine
Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust.. phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects.		3.0950benzenes;
piperidines		anaesthetic;
neurotoxin;
NMDA receptor antagonist;
psychotropic drug
rhodamine b
rhodamine B: RN & N1 from 9th CI Form Index; RN given refers to parent cpd; structure in Merck Index, 9th ed, #7973; TETRAETHYLRHODAMINE was see RHODAMINES 1975-93; use RHODAMINES to search TETRAETHYLRHODAMINE 1975-93. rhodamine B : An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome.		2.4720organic chloride salt;
xanthene dye		fluorescent probe;
fluorochrome;
histological dye
xanthenes
Xanthenes: Compounds with three aromatic rings in linear arrangement with an OXYGEN in the center ring.		2.1310xanthene
2-chlorophenol
chlorophenol : A halophenol that is any phenol containing one or more covalently bonded chlorine atoms.		2.13102-halophenol;
monochlorophenol
ethylbenzene
[no description available]		2.0810alkylbenzene
4-phenylenediamine
4-phenylenediamine: agent hair dye responsible for contact dermatitis; RN given refers to parent cpd. 1,4-phenylenediamine : A phenylenediamine in which the amino functions are at positions 1 and 4 of the benzene nucleus.		2.1710phenylenediamineallergen;
dye;
hapten;
reagent
acrolein
[no description available]		3.0610enalherbicide;
human xenobiotic metabolite;
toxin
2-methylpentane
Hexanes: Six-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Various polyneuropathies are caused by hexane poisoning.		2.0110alkane
cyclohexanol
Cyclohexanols: Monohydroxy derivatives of cyclohexanes that contain the general formula R-C6H11O. They have a camphorlike odor and are used in making soaps, insecticides, germicides, dry cleaning, and plasticizers.. cyclohexanols : An alcohol in which one or more hydroxy groups are attached to a cyclohexane skeleton.		2.4110cyclohexanols;
secondary alcohol		solvent
pyrroles
1H-pyrrole : A tautomer of pyrrole that has the double bonds at positions 2 and 4.. pyrrole : A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.. azole : Any monocyclic heteroarene consisting of a five-membered ring containing nitrogen. Azoles can also contain one or more other non-carbon atoms, such as nitrogen, sulfur or oxygen.		2.5820pyrrole;
secondary amine
n-hexane
hexane : An unbranched alkane containing six carbon atoms.		2.0110alkane;
volatile organic compound		neurotoxin;
non-polar solvent
cyclopentane
Cyclopentanes: A group of alicyclic hydrocarbons with the general formula R-C5H9.. cyclopentanes : Cyclopentane and its derivatives formed by substitution.		2.2110cycloalkane;
cyclopentanes;
volatile organic compound		non-polar solvent
silicon carbide
silicon carbide: fibers used for reinforcement of porcelain crowns; a feldspathic body (gingival) porcelain; used to coat titanium hip prostheses		2.1110organosilicon compound
cyanogen
cyanogen: structure. oxalonitrile : A dinitrile that is ethane substituted by two cyano groups.		2.1310dinitrile;
pseudohalogen
homocystine
[no description available]		2.0710amino acid zwitterion;
homocystines		human metabolite
limestone
Calcium Carbonate: Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.. calcium carbonate : A calcium salt with formula CCaO3.		2.0810calcium salt;
carbonate salt;
inorganic calcium salt;
one-carbon compound		antacid;
fertilizer;
food colouring;
food firming agent
cyanogen bromide
Cyanogen Bromide: Cyanogen bromide (CNBr). A compound used in molecular biology to digest some proteins and as a coupling reagent for phosphoroamidate or pyrophosphate internucleotide bonds in DNA duplexes.		3.0610
hesperidin
Hesperidin: A flavanone glycoside found in CITRUS fruit peels.. hesperidin : A disaccharide derivative that consists of hesperetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage.		2.41103'-hydroxyflavanones;
4'-methoxyflavanones;
dihydroxyflavanone;
disaccharide derivative;
flavanone glycoside;
monomethoxyflavanone;
rutinoside		mutagen
luminol
Luminol: 5-Amino-2,3-dihydro-1,4-phthalazinedione. Substance that emits light on oxidation. It is used in chemical determinations.		2.5720
malondialdehyde
Malondialdehyde: The dialdehyde of malonic acid.. malonaldehyde : A dialdehyde that is propane substituted by two oxo groups at the terminal carbon atoms respectively. A biomarker of oxidative damage to lipids caused by smoking, it exists in vivo mainly in the enol form.		2.3110dialdehydebiomarker
resazurin
resazurin: used as indicator in detection of hyposulfite (sulfoxylate); in food research (reductase test); structure		2.1310phenoxazine
malachite green
malachite green: RN given refers to parent cpd; structure. malachite green : An organic chloride salt that is the monochloride salt of malachite green cation. Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture.		2.610organic chloride saltantibacterial agent;
antifungal drug;
carcinogenic agent;
environmental contaminant;
fluorochrome;
histological dye;
teratogenic agent
congo red
Congo Red: An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.. Congo Red : An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0.		2.3110bis(azo) compound
acetylcysteine
N-acetyl-L-cysteine : An N-acetyl-L-amino acid that is the N-acetylated derivative of the natural amino acid L-cysteine.		2.1110acetylcysteine;
L-cysteine derivative;
N-acetyl-L-amino acid		antidote to paracetamol poisoning;
antiinfective agent;
antioxidant;
antiviral drug;
ferroptosis inhibitor;
geroprotector;
human metabolite;
mucolytic;
radical scavenger;
vulnerary
dimethyl methylphosphonate
[no description available]		2.610
rhodamine 6g
rhodamine 6G: RN given refers to HCl		2.110
cadmium sulfide
[no description available]		2.3110cadmium molecular entity
manganese dioxide
[no description available]		2.0810manganese molecular entity;
metal oxide
molybdenum trioxide
[no description available]		2.8130molybdenum oxide
zinc oxide
Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock.		4.8290zinc molecular entity
vanadium pentoxide
[no description available]		2.0110vanadium oxide
molybdenum disulfide
[no description available]		2.1110sulfide salt
chromium trioxide
chromium trioxide: oxidizing agent. chromium trioxide : A chromium oxide composed of a single chromium bound (oxidation state +6) to three oxygens; the acidic anhydride of chromic acid.		1.9610chromium oxide
ferrous oxide
[no description available]		3.0610iron oxide
vancomycin
Vancomycin: Antibacterial obtained from Streptomyces orientalis. It is a glycopeptide related to RISTOCETIN that inhibits bacterial cell wall assembly and is toxic to kidneys and the inner ear.. vancomycin : A complex glycopeptide from Streptomyces orientalis. It inhibits a specific step in the synthesis of the peptidoglycan layer in the Gram-positive bacteria Staphylococcus aureus and Clostridium difficile.		2.4110glycopeptideantibacterial drug;
antimicrobial agent;
bacterial metabolite
d-alpha tocopherol
Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS.. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain.. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen.. (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils.		2.4220alpha-tocopherolalgal metabolite;
antiatherogenic agent;
anticoagulant;
antioxidant;
antiviral agent;
EC 2.7.11.13 (protein kinase C) inhibitor;
immunomodulator;
micronutrient;
nutraceutical;
plant metabolite
nickel carbonate
[no description available]		2.6930
dysprosium
Dysprosium: An element of the rare earth family that has the atomic symbol Dy, atomic number 66, and atomic weight 162.50. Dysprosium is a silvery metal used primarily in the form of various salts.		2.110f-block element atom;
lanthanoid atom
iridium
Iridium: A metallic element with the atomic symbol Ir, atomic number 77, and atomic weight 192.22.		2.1310cobalt group element atom;
platinum group metal atom
lanthanum
[no description available]		2.9840f-block element atom;
lanthanoid atom;
scandium group element atom
manganese
Manganese: A trace element with atomic symbol Mn, atomic number 25, and atomic weight 54.94. It is concentrated in cell mitochondria, mostly in the pituitary gland, liver, pancreas, kidney, and bone, influences the synthesis of mucopolysaccharides, stimulates hepatic synthesis of cholesterol and fatty acids, and is a cofactor in many enzymes, including arginase and alkaline phosphatase in the liver. (From AMA Drug Evaluations Annual 1992, p2035). manganese(4+) : A manganese cation that is monoatomic and has a formal charge of +4.		3.5280elemental manganese;
manganese group element atom		Escherichia coli metabolite;
micronutrient
mercury
Mercury: A silver metallic element that exists as a liquid at room temperature. It has the atomic symbol Hg (from hydrargyrum, liquid silver), atomic number 80, and atomic weight 200.59. Mercury is used in many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents. It can be absorbed through the skin and mucous membranes which leads to MERCURY POISONING. Because of its toxicity, the clinical use of mercury and mercurials is diminishing.. mercury(0) : Elemental mercury of oxidation state zero.		1.9710elemental mercury;
zinc group element atom		neurotoxin
molybdenum
Molybdenum: A metallic element with the atomic symbol Mo, atomic number 42, and atomic weight 95.95. It is an essential trace element, being a component of the enzymes xanthine oxidase, aldehyde oxidase, and nitrate reductase.		3.2550chromium group element atommicronutrient
niobium
Niobium: A metal element atomic number 41, atomic weight 92.906, symbol Nb.		2.0610vanadium group element atom
osmium
Osmium: A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os.		2.0710iron group element atom;
platinum group metal atom
palladium
Palladium: A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.. palladium : Chemical element (nickel group element atom) with atomic number 46.		2.8830metal allergen;
nickel group element atom;
platinum group metal atom
platinum
Platinum: A heavy, soft, whitish metal, resembling tin, with atomic number 78, atomic weight 195.084, symbol Pt. It is used in manufacturing equipment for laboratory and industrial use. It occurs as a black powder (platinum black) and as a spongy substance (spongy platinum) and may have been known in Pliny's time as alutiae.		2.830elemental platinum;
nickel group element atom;
platinum group metal atom
praseodymium
Praseodymium: An element of the rare earth family of metals. It has the atomic symbol Pr, atomic number 59, and atomic weight 140.91.		2.0710f-block element atom;
lanthanoid atom
rhodium
Rhodium: A hard and rare metal of the platinum group, atomic number 45, atomic weight 102.905, symbol Rh.. rhodium atom : A cobalt group element atom of atomic number 45.		2.0610cobalt group element atom
ruthenium
Ruthenium: A hard, brittle, grayish-white rare earth metal with an atomic symbol Ru, atomic number 44, and atomic weight 101.07. It is used as a catalyst and hardener for PLATINUM and PALLADIUM.		2.0810iron group element atom;
platinum group metal atom
samarium
Samarium: An element of the rare earth family of metals. It has the atomic symbol Sm, atomic number 62, and atomic weight 150.36. The oxide is used in the control rods of some nuclear reactors.		2.110f-block element atom;
lanthanoid atom
silver
Silver: An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.		3.0440copper group element atom;
elemental silver		Escherichia coli metabolite
tantalum
Tantalum: A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices.		2.0510vanadium group element atom
terbium
Terbium: An element of the rare earth family of metals. It has the atomic symbol Tb, atomic number 65, and atomic weight 158.92.		2.610f-block element atom;
lanthanoid atom
titanium
Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts with atomic number, 22, atomic weight, 47.867 and symbol, Ti; specific gravity, 4.5; used for fixation of fractures.		4.68260titanium group element atom
tungsten
Tungsten: A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.		2.7730chromium group element atommicronutrient
cadmium
Cadmium: An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.. elemental cadmium : An element in the zinc group of the periodic table with atomic number 48, atomic mass 112, M.P. 321degreeC, and B.P. 765degreeC). An odourless, tasteless, and highly poisonous soft, ductile, lustrous metal with electropositive properties. It has eight stable isotopes: (106)Cd, (108)Cd,(110)Cd, (111)Cd, (112)Cd, (113)Cd, (114)Cd and (116)Cd, with (112)Cd and (114)Cd being the most common.		2.0610cadmium molecular entity;
zinc group element atom
cerium
Cerium: An element of the rare earth family of metals. It has the atomic symbol Ce, atomic number 58, and atomic weight 140.12. Cerium is a malleable metal used in industrial applications.		4.09140f-block element atom;
lanthanoid atom
chromium
Chromium: A trace element that plays a role in glucose metabolism. It has the atomic symbol Cr, atomic number 24, and atomic weight 52. According to the Fourth Annual Report on Carcinogens (NTP85-002,1985), chromium and some of its compounds have been listed as known carcinogens.. chromium ion : An chromium atom having a net electric charge.. chromium atom : A chromium group element atom that has atomic number 24.		3.3770chromium group element atom;
metal allergen		micronutrient
gold
Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts.		3.92110copper group element atom;
elemental gold
holmium
Holmium: An element of the rare earth family of metals. It has the atomic symbol Ho, atomic number 67, and atomic weight 164.93.		2.0110f-block element atom;
lanthanoid atom
vanadium
Vanadium: A metallic element with the atomic symbol V, atomic number 23, and atomic weight 50.94. It is used in the manufacture of vanadium steel. Prolonged exposure can lead to chronic intoxication caused by absorption usually via the lungs.		1.9610elemental vanadium;
vanadium group element atom		micronutrient
zirconium
Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr.		3.5180titanium group element atom
phosphoric acid, trisodium salt
[no description available]		2.0510sodium phosphate
nickel chloride
nickel chloride: RN given refers to cpd with MF of Ni-Cl2. nickel dichloride : A compound of nickel and chloride in which the ratio of nickel (in the +2 oxidation state) to chloride is 1:2.		3.8110nickel coordination entitycalcium channel blocker;
hapten
magnesium phosphate (2:3)
[no description available]		2.1310inorganic magnesium salt
chromates
Chromates: Salts of chromic acid containing the CrO(2-)4 radical.. chromate(2-) : A chromium oxoanion resulting from the removal of two protons from chromic acid.		2.4220chromium oxoanion;
divalent inorganic anion		oxidising agent
potassium dichromate
Potassium Dichromate: Chromic acid (H2Cr2O7), dipotassium salt. A compound having bright orange-red crystals and used in dyeing, staining, tanning leather, as bleach, oxidizer, depolarizer for dry cells, etc. Medically it has been used externally as an astringent, antiseptic, and caustic. When taken internally, it is a corrosive poison.. potassium dichromate : A potassium salt that is the dipotassium salt of dichromic acid.		2.0410potassium saltallergen;
oxidising agent;
sensitiser
nickel sulfate
nickel sulfate: RN given refers to cpd with MF of Ni(2+)-H2SO4. nickel sulfate : A metal sulfate having nickel(2+) as the metal ion.		4.13160metal sulfateallergen
fluorosulfonic acid
perfluorosulfonic acid: sulfonated tetrafluoroethylene-based fluoropolymer–copolymer		2.5320sulfur oxoacidNMR solvent
sulfur trioxide
sulfur trioxide: RN given refers to parent cpd		2.1310sulfur oxide
ozone
Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).. ozone : An elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112degreeC) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by the action of solar ultraviolet radiation on atmospheric oxygen. It is an antimicrobial agent used in the production of bottled water, as well as in the treatment of meat, poultry and other foodstuffs.		2.5220elemental molecule;
gas molecular entity;
reactive oxygen species;
triatomic oxygen		antiseptic drug;
disinfectant;
electrophilic reagent;
greenhouse gas;
mutagen;
oxidising agent;
tracer
chrysotile
Asbestos, Serpentine: A type of asbestos that occurs in nature as the dihydrate of magnesium silicate. It exists in two forms: antigorite, a plated variety, and chrysotile, a fibrous variety. The latter makes up 95% of all asbestos products. (From Merck Index, 11th ed, p.893)		2.0210
nickel nitrate
nickel nitrate: RN given refers to cpd with MF of Ni-(HNO3)2		1.9810
nickel carbonyl
nickel carbonyl: RN given refers to cpd with MF of Ni-(CO)4; structure		3.0610metal carbonyl;
nickel coordination entity
titanium dioxide
titanium dioxide: used medically as protectant against externally caused irritation & sunlight; high concentrations of dust may cause irritation to respiratory tract; RN given refers to titanium oxide (TiO2); structure. titanium dioxide : A titanium oxide with the formula TiO2. A naturally occurring oxide sourced from ilmenite, rutile and anatase, it has a wide range of applications.		4.56230titanium oxidesfood colouring
calcium chromate(vi)
calcium chromate(VI): RN given refers to parent cpd		2.1710
tiletamine hydrochloride
Cyclohexanones: Cyclohexane ring substituted by one or more ketones in any position.. cyclohexanones : Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof.		2.4110
nickel sulfide
nickel sulfide: RN given refers to cpd with MF of Ni-S; see also nickel subsulfide: 12035-72-2		4.6890
fluorides
[no description available]		2.0510halide anion;
monoatomic fluorine
stannic oxide
tin dioxide : A tin oxide compound consisting of tin(IV) covalently bound to two oxygen atoms.		2.6620tin oxide
chromium
chromium hexavalent ion: a human respiratory carcinogen		2.1110chromium cation;
monoatomic hexacation
iodine
[no description available]		2.1110halide anion;
monoatomic iodine		human metabolite
phenyl acetate
phenyl acetate: The ester formed between phenol and acetic acid. Don't confuse with phenylacetic acid derivatives listed under PHENYLACETATES.. phenyl acetate : An acetate ester obtained by the formal condensation of phenol with acetic acid.		2.3720benzenes;
phenyl acetates
carbamide peroxide
Carbamide Peroxide: A urea peroxide compound that is commonly used in tooth whitening agents; topical anti-infective agents, and earwax remover.. urea hydrogen peroxide : A mixture obtained by combining equimolar amounts of hydrogen peroxide and urea.		2.110mixturedisinfectant;
oxidising agent;
reagent
amoxicillin
Amoxicillin: A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.. amoxicillin : A penicillin in which the substituent at position 6 of the penam ring is a 2-amino-2-(4-hydroxyphenyl)acetamido group.		2.1310penicillin allergen;
penicillin		antibacterial drug
vanadyl sulfate
[no description available]		2.0110metal sulfate;
vanadium coordination entity
3,3',5,5'-tetramethylbenzidine
T1023: radioprotective NO-Synthase Inhibitor		2.1710
7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide
7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide: 7,8,8a,9a-Tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity.		2.0110epoxideintercalator
captopril
Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug.		2.1510alkanethiol;
L-proline derivative;
N-acylpyrrolidine;
pyrrolidinemonocarboxylic acid		antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor
dolomite
calcium magnesium carbonate: mineral recommended by lay periodicals as a desirable source of calcium & magnesium, but found to be also a source of potentially toxic heavy metals		2.0810
2',7'-dichlorofluorescein
2',7'-dichlorofluorescein: RN given refers to parent cpd		1.98102-benzofuransfluorochrome
1,7-phenanthroline
[no description available]		2.4920phenanthroline
triazoles
Triazoles: Heterocyclic compounds containing a five-membered ring with two carbon atoms and three nitrogen atoms with the molecular formula C2H3N3.. triazoles : An azole in which the five-membered heterocyclic aromatic skeleton contains three N atoms and two C atoms.		2.07101,2,3-triazole
medetomidine
Medetomidine: An agonist of RECEPTORS, ADRENERGIC ALPHA-2 that is used in veterinary medicine for its analgesic and sedative properties. It is the racemate of DEXMEDETOMIDINE.		2.1310imidazoles
bathophenanthroline
4,7-diphenyl-1,10-phenanthroline : A member of the class of phenanthrolines that is 1,10-phenanthroline bearing two phenyl substituents at positions 4 and 7.		2.0810benzenes;
phenanthrolines		chelator
ceric oxide
ceric oxide: RN given refers to cpd with MF CeO2. ceric oxide : A metal oxide with formula CeO2. It is used for polishing glass, in coatings for infra-red filters to prevent reflection, and as an oxidant and catalyst in organic synthesis.		4.09140cerium molecular entity;
metal oxide
dicetylphosphate
dicetylphosphate: RN given refers to parent cpd. dicetyl hydrogen phosphate : The dihexadecyl ester of phosphoric acid.		2.110dialkyl phosphate
iridium oxide
iridium oxide: RN given refers to Ir-O2		2.1310
hypobromous acid
[no description available]		2.0810bromine oxoacid
bromates
Bromates: Negative ions or salts derived from bromic acid, HBrO3.		2.0810bromine oxoanion;
monovalent inorganic anion
fibrinogen
Fibrinogen: Plasma glycoprotein clotted by thrombin, composed of a dimer of three non-identical pairs of polypeptide chains (alpha, beta, gamma) held together by disulfide bonds. Fibrinogen clotting is a sol-gel change involving complex molecular arrangements: whereas fibrinogen is cleaved by thrombin to form polypeptides A and B, the proteolytic action of other enzymes yields different fibrinogen degradation products.. D-iditol : The D-enantiomer of iditol.		2.0510iditolfungal metabolite
cadmium telluride
cadmium telluride: used in radiation monitoring device		2.2510
goethite
[no description available]		2.0810
cobalt
Cobalt: A trace element that is a component of vitamin B12. It has the atomic symbol Co, atomic number 27, and atomic weight 58.93. It is used in nuclear weapons, alloys, and pigments. Deficiency in animals leads to anemia; its excess in humans can lead to erythrocytosis.. cobalt(1+) : A monovalent inorganic cation obtained from cobalt.. cobalt atom : A cobalt group element atom that has atomic number 27.		4.53220cobalt group element atom;
metal allergen		micronutrient
phosphites
Phosphites: Inorganic salts or organic esters of phosphorous acid that contain the (3-)PO3 radical. (From Grant & Hackh's Chemical Dictionary, 5th ed). phosphite(3-) : A trivalent inorganic anion obtained by removal of all three protons from phosphorous acid.		2.2510phosphite ion;
trivalent inorganic anion
caprylates
Caprylates: Derivatives of caprylic acid. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain a carboxy terminated eight carbon aliphatic structure.. octanoate : A straight-chain saturated fatty acid anion that is the conjugate base of octanoic acid (caprylic acid); believed to block adipogenesis.		2.0710fatty acid anion 8:0;
straight-chain saturated fatty acid anion		human metabolite;
Saccharomyces cerevisiae metabolite
beta-casomorphin 7
beta-casomorphin 7: opioid peptide isolated from casein peptone; corresponds to sequence 60-66 of beta-casein; from a variety of organisms; see also record for general term beta-casomorphin		2.2510
fullerene c60
Fullerenes: A polyhedral CARBON structure composed of around 60-80 carbon atoms in pentagon and hexagon configuration. They are named after Buckminster Fuller because of structural resemblance to geodesic domes. Fullerenes can be made in high temperature such as arc discharge in an inert atmosphere.. fullerene : A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms.		2.7630fullerenegeroprotector
proline
Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.. proline : An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2.		2.2110amino acid zwitterion;
glutamine family amino acid;
L-alpha-amino acid;
proline;
proteinogenic amino acid		algal metabolite;
compatible osmolytes;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical;
Saccharomyces cerevisiae metabolite
levofloxacin
Levofloxacin: The L-isomer of Ofloxacin.. levofloxacin : An optically active form of ofloxacin having (S)-configuration; an inhibitor of bacterial topoisomerase IV and DNA gyrase.		2.17109-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;
fluoroquinolone antibiotic;
quinolone antibiotic		antibacterial drug;
DNA synthesis inhibitor;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
topoisomerase IV inhibitor
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent.		2.7530oxygen hydride;
oxygen radical;
reactive oxygen species
amplex red
Amplex Red: a component of the Amplex Red Hydrogen Peroxide Assay Kit		2.2510
lignin
Lignin: The most abundant natural aromatic organic polymer found in all vascular plants. Lignin together with cellulose and hemicellulose are the major cell wall components of the fibers of all wood and grass species. Lignin is composed of coniferyl, p-coumaryl, and sinapyl alcohols in varying ratios in different plant species. (From Merck Index, 11th ed). lignin : A polyphenylpropanoid derived from three monolignol monomers: trans-p-coumaryl alcohol, coniferol and trans-sinapyl alcohol. There is extensive cross-linking and no defined primary structure.		2.0510
aflatoxin b1
Aflatoxin B1: A potent hepatotoxic and hepatocarcinogenic mycotoxin produced by the Aspergillus flavus group of fungi. It is also mutagenic, teratogenic, and causes immunosuppression in animals. It is found as a contaminant in peanuts, cottonseed meal, corn, and other grains. The mycotoxin requires epoxidation to aflatoxin B1 2,3-oxide for activation. Microsomal monooxygenases biotransform the toxin to the less toxic metabolites aflatoxin M1 and Q1.. aflatoxin B1 : An aflatoxin having a tetrahydrocyclopenta[c]furo[3',2':4,5]furo[2,3-h]chromene skeleton with oxygen functionality at positions 1, 4 and 11.		2.2510aflatoxin;
aromatic ether;
aromatic ketone		carcinogenic agent;
human metabolite
5-hydroxymethylfurfural
5-hydroxymethylfurfural: has antisickling activity; HMF is the causative component in honey that affects the presystemic metabolism and pharmacokinetics of GZ in-vivo. 5-hydroxymethylfurfural : A member of the class of furans that is furan which is substituted at positions 2 and 5 by formyl and hydroxymethyl substituents, respectively. Virtually absent from fresh foods, it is naturally generated in sugar-containing foods during storage, and especially by drying or cooking. It is the causative component in honey that affects the presystemic metabolism and pharmacokinetics of GZ in-vivo.		3.1410arenecarbaldehyde;
furans;
primary alcohol		indicator;
Maillard reaction product
ochratoxin a
ochratoxin A: structure in first source & in Merck, 9th ed, #6549. ochratoxin A : A phenylalanine derivative resulting from the formal condensation of the amino group of L-phenylalanine with the carboxy group of (3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carboxylic acid (ochratoxin alpha). It is among the most widely occurring food-contaminating mycotoxins, produced by Aspergillus ochraceus, Aspergillus carbonarius and Penicillium verrucosum.		2.1710isochromanes;
monocarboxylic acid amide;
N-acyl-L-phenylalanine;
organochlorine compound;
phenylalanine derivative		Aspergillus metabolite;
calcium channel blocker;
carcinogenic agent;
mycotoxin;
nephrotoxin;
Penicillium metabolite;
teratogenic agent
farnesol
Farnesol: A colorless liquid extracted from oils of plants such as citronella, neroli, cyclamen, and tuberose. It is an intermediate step in the biological synthesis of cholesterol from mevalonic acid in vertebrates. It has a delicate odor and is used in perfumery. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed). (2-trans,6-trans)-farnesol : The (2-trans,6-trans)-stereoisomer of farnesol.. farnesol : A farnesane sesquiterpenoid that is dodeca-2,6,10-triene substituted by methyl groups at positions 3, 7 and 11 and a hydroxy group at position 1.		2.610farnesolplant metabolite
ferric hydroxide
ferric hydroxide: additional RNs for iron hydroxide oxide: 11115-92-7, 20344-49-4; RN for unspecified iron hydroxide: 11113-66-9		2.1710
pectins
Pectins: High molecular weight polysaccharides present in the cell walls of all plants. Pectins cement cell walls together. They are used as emulsifiers and stabilizers in the food industry. They have been tried for a variety of therapeutic uses including as antidiarrheals, where they are now generally considered ineffective, and in the treatment of hypercholesterolemia.. alpha-D-galacturonic acid : The alpha-anomer of D-galacturonic acid.		2.1110D-galactopyranuronic acid
cocaine
Cocaine: An alkaloid ester extracted from the leaves of plants including coca. It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat. It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse. Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic neurons; the mechanism of its reinforcing effects is thought to involve inhibition of dopamine uptake.. cocaine : A tropane alkaloid obtained from leaves of the South American shrub Erythroxylon coca.		2.1710benzoate ester;
methyl ester;
tertiary amino compound;
tropane alkaloid		adrenergic uptake inhibitor;
central nervous system stimulant;
dopamine uptake inhibitor;
environmental contaminant;
local anaesthetic;
mouse metabolite;
plant metabolite;
serotonin uptake inhibitor;
sodium channel blocker;
sympathomimetic agent;
vasoconstrictor agent;
xenobiotic
acid fuchsin
acid fuchsin: RN refers to disodium salt. acid fuchsin : An organic sodium salt that is the disodium salt of 2-amino-5-[(4-amino-3-sulfophenyl)(4-imino-3-sulfocyclohexa-2,5-dien-1-ylidene)methyl]-3-methylbenzene-1-sulfonic acid. It is used in the Van Gieson method in conjunction with picric acid to demonstrate collagen fibres red, and in Masson's trichrome to colour smooth muscle in contrast to collagen.		2.0810
stilbenes
Stilbenes: Organic compounds that contain 1,2-diphenylethylene as a functional group.. trans-stilbene : The trans-isomer of stilbene.		2.2110stilbene
3,3',4,5'-tetrahydroxystilbene
3,3',4,5'-tetrahydroxystilbene: demethyl derivative of isorhapontigenin; structure in first source; a Syk kinase inhibitor; found in heartwood of FABACEAE; inhibitor of photosynthesis in spinach chloroplasts; may be inhibitor of plant growth; RN given refers to (E)-isomer. piceatannol : A stilbenol that is trans-stilbene in which one of the phenyl groups is substituted by hydroxy groups at positions 3 and 4, while the other phenyl group is substituted by hydroxy groups at positions 3 and 5.		2.2110catechols;
polyphenol;
resorcinols;
stilbenol		antineoplastic agent;
apoptosis inducer;
geroprotector;
hypoglycemic agent;
plant metabolite;
protein kinase inhibitor;
tyrosine kinase inhibitor
curcumin
Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes.. curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa.		2.0710aromatic ether;
beta-diketone;
diarylheptanoid;
enone;
polyphenol		anti-inflammatory agent;
antifungal agent;
antineoplastic agent;
biological pigment;
contraceptive drug;
dye;
EC 1.1.1.205 (IMP dehydrogenase) inhibitor;
EC 1.1.1.21 (aldehyde reductase) inhibitor;
EC 1.1.1.25 (shikimate dehydrogenase) inhibitor;
EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor;
EC 1.8.1.9 (thioredoxin reductase) inhibitor;
EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor;
EC 3.5.1.98 (histone deacetylase) inhibitor;
flavouring agent;
food colouring;
geroprotector;
hepatoprotective agent;
immunomodulator;
iron chelator;
ligand;
lipoxygenase inhibitor;
metabolite;
neuroprotective agent;
nutraceutical;
radical scavenger
D-fructopyranose
[no description available]		2.0710cyclic hemiketal;
D-fructose;
fructopyranose		sweetening agent
ferric ferrocyanide
ferric ferrocyanide: antidote to thallium poisoning; RN given refers to Fe(+3)[3:4] salt; structure		2.1710
digoxin
Digoxin: A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666). digoxin : A cardenolide glycoside that is digitoxin beta-hydroxylated at C-12. A cardiac glycoside extracted from the foxglove plant, Digitalis lanata, it is used to control ventricular rate in atrial fibrillation and in the management of congestive heart failure with atrial fibrillation, but the margin between toxic and therapeutic doses is small.		3.0610cardenolide glycoside;
steroid saponin		anti-arrhythmia drug;
cardiotonic drug;
EC 3.6.3.9 (Na(+)/K(+)-transporting ATPase) inhibitor;
epitope
6-thioguanosine
6-thioguanosine: RN given refers to cpd without isomeric designation		1.9710purine nucleoside
1,1-diphenyl-2-picrylhydrazyl
1,1-diphenyl-2-picrylhydrazyl: A diphenyl picrate; the ability to decolorize this stable radical indicates reactivity of tested compounds (Banda, Anal Chem 46:1772-7 1974)		2.4620
lithium
Lithium: An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER.		4.17150alkali metal atom
nitrogen dioxide
Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface.		2.4820nitrogen oxide
nitinol
nitinol: RN given refers to cpd with MF of Ni-Ti; do not confuse with titanium nickelide; other nitinols (nitinol SE and nitinol 55) are Co-Ni-Ti alloys		2.5120
ovalbumin
Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily.		2.5820
sodium borohydride
sodium borohydride: RN given refers to parent cpd		2.1710inorganic sodium salt;
metal tetrahydridoborate
palladium oxide
palladium oxide: RN given refers to PdO		2.6620
apigenin
Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia.		2.3110trihydroxyflavoneantineoplastic agent;
metabolite
jasmonic acid
jasmonic acid: a derivative of alpha-linolenic acid that has a role in plant response to herbivory analogous to the role of prostanoids in inflammation in mammals;. jasmonic acid : An oxo monocarboxylic acid that is (3-oxocyclopentyl)acetic acid substituted by a (2Z)-pent-2-en-1-yl group at position 2 of the cyclopentane ring.		2.2110oxo monocarboxylic acidjasmonates;
plant metabolite
canthaxanthin
Canthaxanthin: A trans-carotenoid pigment widely distributed in nature. The compound is used as an oral suntanning agent and as a food and drug coloring agent. Oral ingestion of the compound causes canthaxanthin retinopathy.. canthaxanthin : A carotenone that consists of beta,beta-carotene bearing two oxo substituents at positions 4 and 4'.		210carotenonebiological pigment;
Escherichia coli metabolite;
food colouring;
fungal metabolite
morphine
Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn.		2.110morphinane alkaloid;
organic heteropentacyclic compound;
tertiary amino compound		anaesthetic;
drug allergen;
environmental contaminant;
geroprotector;
mu-opioid receptor agonist;
opioid analgesic;
plant metabolite;
vasodilator agent;
xenobiotic
lead
Lead: A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.		2.0510carbon group element atom;
elemental lead;
metal atom		neurotoxin
tin
[no description available]		2.0810carbon group element atom;
elemental tin;
metal atom		micronutrient
antimony
Antimony: A metallic element that has the atomic symbol Sb, atomic number 51, and atomic weight 121.75. It is used as a metal alloy and as medicinal and poisonous salts. It is toxic and an irritant to the skin and the mucous membranes.		2.0610metalloid atom;
pnictogen
cesium
Cesium: A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency.		2.0810alkali metal atom
barium
Barium: An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic number 56, and atomic weight 138. All of its acid-soluble salts are poisonous.		3.4920alkaline earth metal atom;
elemental barium
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98.		2.9940boron group element atom;
elemental aluminium;
metal atom
strontium
Strontium: An element of the alkaline earth family of metals. It has the atomic symbol Sr, atomic number 38, and atomic weight 87.62.		2.8130alkaline earth metal atom
bismuth
Bismuth: A metallic element that has the atomic symbol Bi, and atomic number 83. Its principal isotope is Bismuth 209.		2.4520metal atom;
pnictogen
arsenic
Arsenic: A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic arsenides. Most forms are toxic. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), arsenic and certain arsenic compounds have been listed as known carcinogens. (From Merck Index, 11th ed)		2.4120metalloid atom;
pnictogen		micronutrient
indium
Indium: A metallic element, atomic number 49, atomic weight 114.818, symbol In. It is named from its blue line in the spectrum.. indium atom : A metallic element first identified and named from the brilliant indigo (Latin indicum) blue line in its flame spectrum.		2.520boron group element atom
butorphanol
Butorphanol: A synthetic morphinan analgesic with narcotic antagonist action. It is used in the management of severe pain.. butorphanol : Levorphanol in which a hydrogen at position 14 of the morphinan skeleton is substituted by hydroxy and one of the hydrogens of the N-methyl group is substituted by cyclopropyl. A semi-synthetic opioid agonist-antagonist analgesic, it is used as its (S,S)-tartaric acid salt for relief or moderate to severe pain.		2.1310morphinane alkaloidantitussive;
kappa-opioid receptor agonist;
mu-opioid receptor agonist;
opioid analgesic
sulfur
Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine.		2.0210chalcogen;
nonmetal atom		macronutrient
cysteine
Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.. L-cysteinium : The L-enantiomer of cysteinium.. cysteine : A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.		2.0710cysteiniumfundamental metabolite
silicon
Silicon: A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].		3.1950carbon group element atom;
metalloid atom;
nonmetal atom
phosphorus
Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions.		2.1510monoatomic phosphorus;
nonmetal atom;
pnictogen		macronutrient
boron
Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY.		2.1110boron group element atom;
metalloid atom;
nonmetal atom		micronutrient
selenium
Selenium: An element with the atomic symbol Se, atomic number 34, and atomic weight 78.97. It is an essential micronutrient for mammals and other animals but is toxic in large amounts. Selenium protects intracellular structures against oxidative damage. It is an essential component of GLUTATHIONE PEROXIDASE.		2.5320chalcogen;
nonmetal atom		micronutrient
tellurium
Tellurium: An element that is a member of the chalcogen family. It has the atomic symbol Te, atomic number 52, and atomic weight 127.60. It has been used as a coloring agent and in the manufacture of electrical equipment. Exposure may cause nausea, vomiting, and CNS depression.		2.2510chalcogen;
metalloid atom
clinoptilolite
clinoptilolite: clinoptilolite was SY to zeolite (NM); use zeolites (NM) to search through 1993; RN is for cpd with unknown MF		2.1110
cobalt oxide
[no description available]		2.610
disilver oxide
[no description available]		2.0810
mocetinostat
mocetinostat: undergoing phase II clinical trials for treatment of cancer. mocetinostat : A benzamide obtained by formal condensation of the carboxy group of 4-({[4-(pyridin-3-yl)pyrimidin-2-yl]amino}methyl)benzoic acid with one of the amino groups of benzene-1,2-diamine. It is an orally active and isotype-selective HDAC inhibitor which exhibits antitumour activity (IC50 = 0.15, 0.29, 1.66 and 0.59 muM for HDAC1, HDAC2, HDAC3 and HDAC11).		2.8830aminopyrimidine;
benzamides;
pyridines;
secondary amino compound;
secondary carboxamide;
substituted aniline		antineoplastic agent;
apoptosis inducer;
autophagy inducer;
cardioprotective agent;
EC 3.5.1.98 (histone deacetylase) inhibitor;
hepatotoxic agent
zeolites
[no description available]		2.1110
aluminum oxide
Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.		3.98130
1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide
1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide: structure in first source		2.1710
acid phosphatase
Acid Phosphatase: An enzyme that catalyzes the conversion of an orthophosphoric monoester and water to an alcohol and orthophosphate. EC 3.1.3.2.		1.9810
nickel silicide
nickel silicide: has the formula NiSi		2.4620
nad
NAD(1-) : An anionic form of nicotinamide adenine dinucleotide arising from deprotonation of the two OH groups of the diphosphate moiety.		2.4920organophosphate oxoanioncofactor;
human metabolite;
hydrogen acceptor;
Saccharomyces cerevisiae metabolite
cytochrome c-t
Cytochromes c: Cytochromes of the c type that are found in eukaryotic MITOCHONDRIA. They serve as redox intermediates that accept electrons from MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III and transfer them to MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX IV.		2.4620
oligonucleotides
[no description available]		2.1710
cellulose
DEAE-Cellulose: Cellulose derivative used in chromatography, as ion-exchange material, and for various industrial applications.		3.8130glycoside
perovskite
calcium titanate : A calcium salt with the formula CaTiO3, generally obtained in the form of the mineral perovskite.		2.8230
barium ferrite
[no description available]		3.0610
chlorophyll a
Chlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.. chlorophyll : A family of magnesium porphyrins, defined by the presence of a fifth ring beyond the four pyrrole-like rings. The rings can have various side chains which usually include a long phytol chain.		2.8730chlorophyll;
methyl ester		cofactor
chitosan
[no description available]		4110
lithium cobalt oxide
lithium cobalt oxide: primary cathode material of rechargeable lithium batteries		2.5220
methyl orange
methyl orange: indictor of pH with strong acids & bases; also used as reagent to form ion pairs with, and thereby isolate, certain compounds from biological material; minor descriptor (75-86); on-line & INDEX MEDICUS search AZO COMPOUNDS (75-86); file maintained to Azo cpds		3.460
sodium tantalate
[no description available]		2.0510
mannans
[no description available]		2.1710
interleukin-8
Interleukin-8: A member of the CXC chemokine family that plays a role in the regulation of the acute inflammatory response. It is secreted by variety of cell types and induces CHEMOTAXIS of NEUTROPHILS and other inflammatory cells.		2.4920
heme
Heme: The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.. ferroheme : Any iron(II)--porphyrin coordination complex.. ferroheme b : Heme b in which the iron has oxidation state +2.. heme : A heme is any tetrapyrrolic chelate of iron.		2.2510
ascorbic acid
Ascorbic Acid: A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.. L-ascorbic acid : The L-enantiomer of ascorbic acid and conjugate acid of L-ascorbate.. L-ascorbate : The L-enantiomer of ascorbate and conjugate base of L-ascorbic acid, arising from selective deprotonation of the 3-hydroxy group. Required for a range of essential metabolic reactions in all animals and plants.. vitamin C : Any member of a group of vitamers that belong to the chemical structural class called butenolides that exhibit biological activity against vitamin C deficiency in animals. The vitamers include L-ascorbic acid and its salt, ionized and oxidized forms.		3.1550ascorbic acid;
vitamin C		coenzyme;
cofactor;
flour treatment agent;
food antioxidant;
food colour retention agent;
geroprotector;
plant metabolite;
skin lightening agent
tetracycline
Tetracycline: A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.. tetracycline : A broad-spectrum polyketide antibiotic produced by the Streptomyces genus of actinobacteria.		2.110
caseins
Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones.		2.0810
nitrophenols
Nitrophenols: PHENOLS carrying nitro group substituents.		2.5120
nickel ferrite
nickel ferrite : A mixed metal oxide with formula Fe2NiO4.		2.4920
deoxyguanosine
[no description available]		2.1710purine 2'-deoxyribonucleoside;
purines 2'-deoxy-D-ribonucleoside		Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite
guanine
[no description available]		2.04102-aminopurines;
oxopurine;
purine nucleobase		algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
Saccharomyces cerevisiae metabolite
guanosine
ribonucleoside : Any nucleoside where the sugar component is D-ribose.		1.9710guanosines;
purines D-ribonucleoside		fundamental metabolite
folic acid
folcysteine: used to promote fertility in chickens. vitamin B9 : Any B-vitamin that exhibits biological activity against vitamin B9 deficiency. Vitamin B9 refers to the many forms of folic acid and its derivatives, including tetrahydrofolic acid (the active form), methyltetrahydrofolate (the primary form found in blood), methenyltetrahydrofolate, folinic acid amongst others. They are present in abundance in green leafy vegetables, citrus fruits, and animal products. Lack of vitamin B9 leads to anemia, a condition in which the body cannot produce sufficient number of red blood cells. Symptoms of vitamin B9 deficiency include fatigue, muscle weakness, and pale skin.		2.5120folic acids;
N-acyl-amino acid		human metabolite;
mouse metabolite;
nutrient
rifampin
Rifampin: A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160)		2.110cyclic ketal;
hydrazone;
N-iminopiperazine;
N-methylpiperazine;
rifamycins;
semisynthetic derivative;
zwitterion		angiogenesis inhibitor;
antiamoebic agent;
antineoplastic agent;
antitubercular agent;
DNA synthesis inhibitor;
EC 2.7.7.6 (RNA polymerase) inhibitor;
Escherichia coli metabolite;
geroprotector;
leprostatic drug;
neuroprotective agent;
pregnane X receptor agonist;
protein synthesis inhibitor
methylnitronitrosoguanidine
Methylnitronitrosoguanidine: A nitrosoguanidine derivative with potent mutagenic and carcinogenic properties.. N-methyl-N'-nitro-N-nitrosoguanidine : An N-nitroguanidine compound having nitroso and methyl substituents at the N'-position		1.9710nitroso compoundalkylating agent
8-hydroxy-2'-deoxyguanosine
8-Hydroxy-2'-Deoxyguanosine: Common oxidized form of deoxyguanosine in which C-8 position of guanine base has a carbonyl group.. 8-hydroxy-2'-deoxyguanosine : Guanosine substituted at the purine 8-position by a hydroxy group. It is used as a biomarker of oxidative DNA damage.		2.1710guanosinesbiomarker
2-naphthol orange
2-naphthol orange: structure; see also record for C.I. Solvent Orange 2		2.3110
acetylcellulose
acetylcellulose: coating compound. cellulose acetate : A glucan derivative obtained through the esterification of cellulose by acetic anhydride or acetic acid, resulting in the substitution of some of the hydroxy groups of cellulose by acetyl groups. It is used in a variety of applications including base material for photographic film, clothing, membrane filters, coatings, food packaging, and as a frame material for eyeglasses.		2.0510
metallothionein
Metallothionein: A low-molecular-weight (approx. 10 kD) protein occurring in the cytoplasm of kidney cortex and liver. It is rich in cysteinyl residues and contains no aromatic amino acids. Metallothionein shows high affinity for bivalent heavy metals.		2.1710
ConditionIndicatedRelationship StrengthStudiesTrials
Caries, Dental
[description not available]		02.4110
Dental Caries
Localized destruction of the tooth surface initiated by decalcification of the enamel followed by enzymatic lysis of organic structures and leading to cavity formation. If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp.		02.4110
Infections, Staphylococcal
[description not available]		02.4110
Staphylococcal Infections
Infections with bacteria of the genus STAPHYLOCOCCUS.		02.4110
Electrolytes
Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed)		02.930
Necrosis
The death of cells in an organ or tissue due to disease, injury or failure of the blood supply.		02.8330
Sterility, Male
[description not available]		02.610
Infertility, Male
The inability of the male to effect FERTILIZATION of an OVUM after a specified period of unprotected intercourse. Male sterility is permanent infertility.		02.610
Breast Cancer
[description not available]		02.610
Breast Neoplasms
Tumors or cancer of the human BREAST.		02.610
Disease Resistance
The capacity of an organism to defend itself against pathological processes or the agents of those processes. This most often involves innate immunity whereby the organism responds to pathogens in a generic way. The term disease resistance is used most frequently when referring to plants.		02.2110
Asthma, Bronchial
[description not available]		02.2110
Allergic Reaction
[description not available]		02.2110
Asthma
A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and intermittent AIRWAY OBSTRUCTION. It is characterized by spasmodic contraction of airway smooth muscle, WHEEZING, and dyspnea (DYSPNEA, PAROXYSMAL).		02.2110
Hypersensitivity
Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.		02.2110
Cirrhosis, Liver
[description not available]		02.2510
Liver Cirrhosis
Liver disease in which the normal microcirculation, the gross vascular anatomy, and the hepatic architecture have been variably destroyed and altered with fibrous septa surrounding regenerated or regenerating parenchymal nodules.		02.2510
Delayed Effects, Prenatal Exposure
[description not available]		02.2110
Pregnancy
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.		02.420
Benign Neoplasms
[description not available]		03.3760
Neoplasms
New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.		03.3760
Disease, Pulmonary
[description not available]		02.9140
Lung Diseases
Pathological processes involving any part of the LUNG.		02.9140
Innate Inflammatory Response
[description not available]		02.7830
Inflammation
A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function.		02.7830
Alveolitis, Fibrosing
[description not available]		03.1450
Pulmonary Fibrosis
A process in which normal lung tissues are progressively replaced by FIBROBLASTS and COLLAGEN causing an irreversible loss of the ability to transfer oxygen into the bloodstream via PULMONARY ALVEOLI. Patients show progressive DYSPNEA finally resulting in death.		03.1450
Cancer of Lung
[description not available]		04.370
Lung Neoplasms
Tumors or cancer of the LUNG.		04.370
Abnormalities, Autosome
[description not available]		03.1550
Chronic Lung Injury
[description not available]		03.2350
Experimental Lung Inflammation
Inflammation of any part, segment or lobe, of the lung parenchyma.		03.79100
Pneumonia
Infection of the lung often accompanied by inflammation.		03.79100
Genome Instability
[description not available]		02.1510
Hepatocellular Carcinoma
[description not available]		03.0910
Cancer of Liver
[description not available]		03.0910
Carcinoma, Hepatocellular
A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested.		03.0910
Liver Neoplasms
Tumors or cancer of the LIVER.		03.0910
Carcinogenesis
The origin, production or development of cancer through genotypic and phenotypic changes which upset the normal balance between cell proliferation and cell death. Carcinogenesis generally requires a constellation of steps, which may occur quickly or over a period of many years.		02.1710
Chromosome-Defective Micronuclei
[description not available]		02.2110
Disease Models, Animal
Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases.		03.0140
Malignant Melanoma
[description not available]		02.2110
Melanoma
A malignant neoplasm derived from cells that are capable of forming melanin, which may occur in the skin of any part of the body, in the eye, or, rarely, in the mucous membranes of the genitalia, anus, oral cavity, or other sites. It occurs mostly in adults and may originate de novo or from a pigmented nevus or malignant lentigo. Melanomas frequently metastasize widely, and the regional lymph nodes, liver, lungs, and brain are likely to be involved. The incidence of malignant skin melanomas is rising rapidly in all parts of the world. (Stedman, 25th ed; from Rook et al., Textbook of Dermatology, 4th ed, p2445)		02.2110
Sensitivity and Specificity
Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)		03.6790
Bacterial Disease
[description not available]		02.1110
Bacterial Infections
Infections by bacteria, general or unspecified.		02.1110
Adipocere
[description not available]		02.1310
Anesthesia
A state characterized by loss of feeling or sensation. This depression of nerve function is usually the result of pharmacologic action and is induced to allow performance of surgery or other painful procedures.		02.1310
Extravascular Hemolysis
[description not available]		02.0510
Hemolysis
The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity.		02.0510
Acute Disease
Disease having a short and relatively severe course.		02.0610
Black Fever
[description not available]		02.0610
Leishmaniasis, Visceral
A chronic disease caused by LEISHMANIA DONOVANI and transmitted by the bite of several sandflies of the genera Phlebotomus and Lutzomyia. It is commonly characterized by fever, chills, vomiting, anemia, hepatosplenomegaly, leukopenia, hypergammaglobulinemia, emaciation, and an earth-gray color of the skin. The disease is classified into three main types according to geographic distribution: Indian, Mediterranean (or infantile), and African.		02.0610
Foreign-Body Reaction
Chronic inflammation and granuloma formation around irritating foreign bodies.		02.0710
Delayed Hypersensitivity
[description not available]		02.0710
Alveolar Proteinoses, Pulmonary
[description not available]		02.0710
Pulmonary Alveolar Proteinosis
A PULMONARY ALVEOLI-filling disease, characterized by dense phospholipoproteinaceous deposits in the alveoli, cough, and DYSPNEA. This disease is often related to, congenital or acquired, impaired processing of PULMONARY SURFACTANTS by alveolar macrophages, a process dependent on GRANULOCYTE-MACROPHAGE COLONY-STIMULATING FACTOR.		02.0710
Cell Transformation, Neoplastic
Cell changes manifested by escape from control mechanisms, increased growth potential, alterations in the cell surface, karyotypic abnormalities, morphological and biochemical deviations from the norm, and other attributes conferring the ability to invade, metastasize, and kill.		04.1560
Abnormalities, Cardiovascular
[description not available]		02.0110
Extrasystole, Ventricular
[description not available]		02.0110
Cardiovascular Abnormalities
Congenital, inherited, or acquired anomalies of the CARDIOVASCULAR SYSTEM, including the HEART and BLOOD VESSELS.		02.0110
EHS Tumor
[description not available]		02.6630
Rhabdomyosarcoma
A malignant solid tumor arising from mesenchymal tissues which normally differentiate to form striated muscle. It can occur in a wide variety of sites. It is divided into four distinct types: pleomorphic, predominantly in male adults; alveolar (RHABDOMYOSARCOMA, ALVEOLAR), mainly in adolescents and young adults; embryonal (RHABDOMYOSARCOMA, EMBRYONAL), predominantly in infants and children; and botryoidal, also in young children. It is one of the most frequently occurring soft tissue sarcomas and the most common in children under 15. (From Dorland, 27th ed; Holland et al., Cancer Medicine, 3d ed, p2186; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, pp1647-9)		02.6630
Contact Dermatitis
[description not available]		02.8810
Dermatitis, Occupational
A recurrent contact dermatitis caused by substances found in the work place.		02.8810
Bagassosis
A diffuse parenchymal lung disease caused by inhaled dust from processing SUGARCANE (bagasse), usually in the manufacturing of wallboard.		03.2820
Cancer of Nose
[description not available]		02.8810
Dermatitis, Contact
A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materials or substances coming in contact with the skin. It may involve allergic or non-allergic mechanisms.		02.8810
Pneumoconiosis
A diffuse parenchymal lung disease caused by inhalation of dust and by tissue reaction to their presence. These inorganic, organic, particulate, or vaporized matters usually are inhaled by workers in their occupational environment, leading to the various forms (ASBESTOSIS; BYSSINOSIS; and others). Similar air pollution can also have deleterious effects on the general population.		03.2820
Hyperplasia
An increase in the number of cells in a tissue or organ without tumor formation. It differs from HYPERTROPHY, which is an increase in bulk without an increase in the number of cells.		02.3820
Body Weight
The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.		02.8840
Aneuploid
[description not available]		01.9810
Diseases, Occupational
[description not available]		01.9810
Diffuse Parenchymal Lung Disease
[description not available]		01.9810
Lung Diseases, Interstitial
A diverse group of lung diseases that affect the lung parenchyma. They are characterized by an initial inflammation of PULMONARY ALVEOLI that extends to the interstitium and beyond leading to diffuse PULMONARY FIBROSIS. Interstitial lung diseases are classified by their etiology (known or unknown causes), and radiological-pathological features.		01.9810
Carcinoma, Non-Small Cell Lung
[description not available]		0210
Carcinoma, Non-Small-Cell Lung
A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy.		0210
Experimental Neoplasms
[description not available]		01.9710
Cocarcinogenesis
The combination of two or more different factors in the production of cancer.		01.9710