| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
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). | 2.07 | 1 | 0 | alkane;
gas molecular entity;
mononuclear parent hydride;
one-carbon compound | bacterial metabolite;
fossil fuel;
greenhouse gas |
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. | 3.1 | 4 | 0 | metal allergen;
nickel group element atom | epitope;
micronutrient |
sulfuric acid
sulfuric acid : A sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. | 2.21 | 1 | 0 | sulfur oxoacid | catalyst |
lithium hydroxide
lithium hydroxide: used for tryptophan determinations in proteins & foods; RN given refers to cpd with MF of Li-OH | 2.04 | 1 | 0 | alkali metal hydroxide | |
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. | 8.27 | 5 | 0 | elemental manganese;
manganese group element atom | Escherichia coli metabolite;
micronutrient |
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. | 2.17 | 1 | 0 | titanium group element atom | |
zirconium
Zirconium: A rather rare metallic element with atomic number 40, atomic weight 91.224, and symbol Zr. | 2.21 | 1 | 0 | titanium group element atom | |
cobalt sulfate
cobalt sulfate: RN given refers to parent cpd. cobalt(2+) sulfate : A compound of cobalt and sulfate in which the ratio of cobalt (+2 oxidation state) to sulfate is 1:1. | 2.25 | 1 | 0 | metal sulfate | |
stannic oxide
tin dioxide : A tin oxide compound consisting of tin(IV) covalently bound to two oxygen atoms. | 2.08 | 1 | 0 | tin oxide | |
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. | 5.04 | 36 | 0 | cobalt group element atom;
metal allergen | micronutrient |
hydroxyl radical
Hydroxyl Radical: The univalent radical OH. Hydroxyl radical is a potent oxidizing agent. | 2.25 | 1 | 0 | oxygen hydride;
oxygen radical;
reactive oxygen species | |
nickel monoxide
[no description available] | 2.52 | 2 | 0 | | |
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. | 4.37 | 17 | 0 | alkali metal atom | |
cobaltous chloride
cobaltous chloride: RN given refers to unlabeled cpd; RN in Chemline for cobalt trichloride: 10241-04-0; RN for 60-labeled cpd: 14543-09-0; RN for 57-labeled cpd: 164113-89-1; RN for 58-labeled cpd: 29377-09-1; structure. cobalt dichloride : A cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is chloride. It is used as an indicator for water in desiccants. | 2.25 | 1 | 0 | cobalt salt;
inorganic chloride | allergen;
calcium channel blocker;
sensitiser;
two-colour indicator |
aluminum
Aluminum: A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. | 2.58 | 2 | 0 | boron group element atom;
elemental aluminium;
metal atom | |
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. | 2.21 | 1 | 0 | chalcogen;
nonmetal atom | macronutrient |
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]. | 2.13 | 1 | 0 | carbon group element atom;
metalloid atom;
nonmetal atom | |
cobalt oxide
[no description available] | 2.25 | 1 | 0 | | |
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. | 2.6 | 1 | 0 | | |
olivine
olivine: sand of primarily magnesium iron silicate, containing low levels of free silica; suggested as a less injurious substitute for silica quartz in foundries; RN in Chemline for unspecified composition: 1317-71-1 | 2.25 | 1 | 0 | | |