Page last updated: 2024-12-06

ceric oxide

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Description

Cerium dioxide (CeO2), also known as ceria, is a naturally occurring oxide of cerium that has garnered significant scientific interest due to its versatile applications in various fields. It is a white, odorless powder with a high melting point and excellent thermal stability. Ceria is synthesized through various methods, including precipitation, hydrothermal synthesis, and sol-gel techniques. The unique properties of ceria, including its high oxygen storage capacity, redox properties, and catalytic activity, make it a valuable material for various applications, including:

* **Catalysis:** Ceria is widely used as a catalyst and catalyst support in various chemical reactions, such as automotive exhaust catalysis, oxidation reactions, and CO oxidation. Its ability to store and release oxygen readily allows it to act as an efficient redox catalyst.
* **Electronics:** Ceria is a key material in the fabrication of gas sensors, fuel cells, and other electronic devices. Its high oxygen ion conductivity makes it suitable for use in oxygen-sensing applications.
* **Biomedicine:** Ceria nanoparticles have emerged as promising materials in biomedicine, with potential applications in drug delivery, imaging, and cancer therapy. Its biocompatibility and antioxidant properties make it suitable for these applications.
* **Ceramics:** Ceria is used in the production of advanced ceramics, such as optical ceramics, and as a polishing agent for optical lenses.

The study of ceria continues to be driven by its potential for innovation in various fields, with ongoing research focused on:

* **Developing new synthesis methods:** Researchers aim to create more efficient and sustainable methods for synthesizing ceria nanoparticles with controlled size, shape, and properties.
* **Understanding its properties:** Exploring the fundamental properties of ceria, such as its redox behavior, oxygen storage capacity, and catalytic activity, is crucial for optimizing its applications.
* **Exploring new applications:** Researchers are investigating the potential of ceria in emerging fields, such as solar energy, environmental remediation, and bio-applications.

Overall, ceria is a versatile material with a wide range of applications, making it a subject of ongoing research and development.'

ceric oxide: RN given refers to cpd with MF CeO2 [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

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. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Cross-References

ID SourceID
PubMed CID73963
CHEBI ID79089
MeSH IDM0096625

Synonyms (52)

Synonym
1306-38-3
needlal u15
needlal w15
ccris 2288
ceric dioxide
ceria
cerium(4+) oxide
opaline
cerium oxide (ceo2)
cerium(iv)dioxide
molycomp 5310
needlal
cerium dioxide
nidoral
needlal w10-01
einecs 215-150-4
ceric oxide
cerium(iv) oxide, nanopowder, <25 nm particle size (bet)
cerium(iv) oxide, fused, pieces, 3-6 mm, 99.9% trace metals basis
cerium(iv) oxide, dispersion, 20 wt. % colloidal dispersion in 2.5% acetic acid, 30-50 nm avg. part. size
cerium(iv) oxide, powder, 90%
cerium(iv) oxide, powder, <5 mum, 99.9% trace metals basis
cerium(iv) oxide, powder, 99.995% trace metals basis
dioxocerium
ceo2
ec 215-150-4
unii-619g5k328y
619g5k328y ,
FT-0623553
AKOS025310685
cerium(iv) oxide, hydrated
CHEBI:79089 ,
cerium(iv) oxide nanopowder
cerium oxide powder, 99.9% (reo) nano
cerium (iv) oxide
cerium(iv) oxide, nanoarc ce-6440, 25% in h2o, colloidal dispersion
cerium(iv) oxide, polishing compound, 2oz (57g)
cerium(iv) oxide, reacton?
mfcd00010927
cerium(iv) oxide, reacton
cerium oxide, 20% in h2o, colloidal dispersion, 0.01-0.02 micron particles, ph 3.0
mfcd00010933
cerium(iv) oxide, >=99.0%
cerium(iv) oxide, puriss.
CETPSERCERDGAM-UHFFFAOYSA-N
cerium oxide powder / ceo2 powder
cerium oxide dispersion
cerium oxide nanopowder
ceramics-aeium(iv) oxide
cerium(iv) oxide (99.9%-ce) (reo)
cerium oxydatum
dtxcid2020214

Research Excerpts

Toxicity

ExcerptReferenceRelevance
"With the fast development of nanotechnology, the nanomaterials start to cause people's attention for potential toxic effect."( Toxicity of cerium oxide nanoparticles in human lung cancer cells.
Huang, YW; Lin, W; Ma, Y; Zhou, XD,
)
0.13
" Three metal oxide nanoparticles that are currently being produced in high tonnage, TiO(2), ZnO, and CeO(2), were synthesized by flame spray pyrolysis process and compared in a mechanistic study to elucidate the physicochemical characteristics that determine cellular uptake, subcellular localization, and toxic effects based on a test paradigm that was originally developed for oxidative stress and cytotoxicity in RAW 264."( Comparison of the mechanism of toxicity of zinc oxide and cerium oxide nanoparticles based on dissolution and oxidative stress properties.
Gilbert, B; Kovochich, M; Liong, M; Mädler, L; Nel, AE; Shi, H; Xia, T; Yeh, JI; Zink, JI, 2008
)
0.35
" Al2O3, CeO2 and TiO2 showed little adverse effects on cell proliferation and cell viability."( Comparative cytotoxicity of Al2O3, CeO2, TiO2 and ZnO nanoparticles to human lung cells.
Baek, M; Choi, SJ; Kim, IS, 2010
)
0.36
"Ceria nanoparticles (nano-CeO(2)), due to their widespread applications, have attracted a lot of concern about their toxic effects on both human health and the environment."( Nano-CeO2 exhibits adverse effects at environmental relevant concentrations.
Chai, Z; He, X; Kuang, Y; Li, Y; Ma, Y; Zhang, H; Zhang, P; Zhang, Z; Zhao, Y, 2011
)
0.37
"The aim of the present study was to assess the acute toxic potential of cerium oxide nanoparticles (CeO(2) NPs) in rats when exposed through the head and nose inhalation route."( Acute inhalation toxicity of cerium oxide nanoparticles in rats.
Murthy, PB; Rao, PJ; Reddy, PN; Selvam, G; Srinivas, A, 2011
)
0.37
" Silver particles were more toxic than CeO(2) in all test systems, and an equivalent mass dose of Ag nanoparticles was more toxic than larger micro-sized material."( Interspecies comparisons on the uptake and toxicity of silver and cerium dioxide nanoparticles.
Baalousha, M; Biswas, A; Britton, GJ; Cole, PA; Fernandes, TF; Gaiser, BK; Jepson, MA; Johnston, BD; Ju-Nam, Y; Lead, JR; Rosenkranz, P; Scown, TM; Stone, V; Tyler, CR, 2012
)
0.38
"Cerium oxide (CeO(2)) nanoparticles have been posited to have both beneficial and toxic effects on biological systems."( Intratracheal instillation of cerium oxide nanoparticles induces hepatic toxicity in male Sprague-Dawley rats.
Addagarla, HS; Blough, ER; Katta, A; Kolli, MB; Ma, JY; Manne, ND; Nalabotu, SK; Rice, KM; Triest, WE, 2011
)
0.37
" Nominal concentrations were verified by inductively coupled plasma mass spectrometry (ICP-MS) and methods were assessed for their suitability to detect reliably adverse effects due to particle exposure."( Effects of cerium oxide nanoparticles to fish and mammalian cell lines: An assessment of cytotoxicity and methodology.
Conde, E; Fernández, M; Fernández-Cruz, ML; Flores, JC; Navas, JM; Ramírez-Fernández, MB; Rosenkranz, P, 2012
)
0.38
"Although engineered nanoparticles (NPs) could negatively impact environmental organisms, the synergistic effect of NPs and other toxic substances, which could be more significant than that of NP alone, have seldom been examined."( Toxicity of lead on Ceriodaphnia dubia in the presence of nano-CeO(2) and nano-TiO(2).
Hu, J; Wang, D; Wang, J, 2012
)
0.38
" The present work aimed to assess the toxic effects of 10nm CeO(2) and ZnO NPs towards the nitrogen fixing bacterium Sinorhizobium meliloti."( Comparative toxicity assessment of CeO2 and ZnO nanoparticles towards Sinorhizobium meliloti, a symbiotic alfalfa associated bacterium: use of advanced microscopic and spectroscopic techniques.
Bandyopadhyay, S; Gardea-Torresdey, JL; José-Yacamán, M; Peralta-Videa, JR; Plascencia-Villa, G, 2012
)
0.38
" We previously found that CeO2 NPs inhibited root elongation of head lettuce, whereas no toxic effect was observed on other plants (such as wheat, cucumber and radish)."( Species-specific toxicity of ceria nanoparticles to Lactuca plants.
He, X; Li, Y; Ma, Y; Zhang, J; Zhang, P; Zhang, Z; Zhao, Y; Zheng, L, 2015
)
0.42
" The results showed that nanosized CeO2 was more toxic than cerium oxide MPs."( Toxicity study of cerium oxide nanoparticles in human neuroblastoma cells.
Chinde, S; Grover, P; Kumari, M; Mahboob, M; Rahman, MF; Singh, SP,
)
0.13
" Eight nanomaterials did not elicit pulmonary effects, and their no observed adverse effect concentrations (NOAECs) were at least 10 mg/m3."( Application of short-term inhalation studies to assess the inhalation toxicity of nanomaterials.
Gröters, S; Hofmann, T; Landsiedel, R; Ma-Hock, L; Strauss, V; Treumann, S; van Ravenzwaay, B; Wiemann, M; Wiench, K; Wohlleben, W, 2014
)
0.4
"The STIS revealed the type of effects of 13 nanomaterials, and micron-scale ZnO, information on their toxic potency, and the location and reversibility of effects."( Application of short-term inhalation studies to assess the inhalation toxicity of nanomaterials.
Gröters, S; Hofmann, T; Landsiedel, R; Ma-Hock, L; Strauss, V; Treumann, S; van Ravenzwaay, B; Wiemann, M; Wiench, K; Wohlleben, W, 2014
)
0.4
" Here, we investigated the potential adverse effects of CeO2 Nanobyk 3810™ NPs, used in wood care, and their residues, altered by light or acid."( Toxicity evaluation of manufactured CeO2 nanoparticles before and after alteration: combined physicochemical and whole-genome expression analysis in Caco-2 cells.
Auffan, M; Berenguer, F; Fisichella, M; Prat, O; Rose, J; Steinmetz, G, 2014
)
0.4
" Conversely, Nanobyk 3810™ coated with ammonium citrate did not display any adverse effect at the same concentration."( Toxicity evaluation of manufactured CeO2 nanoparticles before and after alteration: combined physicochemical and whole-genome expression analysis in Caco-2 cells.
Auffan, M; Berenguer, F; Fisichella, M; Prat, O; Rose, J; Steinmetz, G, 2014
)
0.4
"The degraded nanoparticles were more toxic than their coated counterparts."( Toxicity evaluation of manufactured CeO2 nanoparticles before and after alteration: combined physicochemical and whole-genome expression analysis in Caco-2 cells.
Auffan, M; Berenguer, F; Fisichella, M; Prat, O; Rose, J; Steinmetz, G, 2014
)
0.4
" Therefore, understanding the long-term toxic effects of CeO2 NPs is of particular importance."( Genotoxicity analysis of cerium oxide micro and nanoparticles in Wistar rats after 28 days of repeated oral administration.
Grover, P; Kumari, M; Kumari, SI, 2014
)
0.4
" Similarly, SiO2 (10) and/or CeO2 (23) were also more toxic in the lung tissue slices (ex vivo) and alveolar macrophages (in vitro) compared to other ENM."( Comparative lung toxicity of engineered nanomaterials utilizing in vitro, ex vivo and in vivo approaches.
Boykin, E; Gilmour, MI; Kim, YH; Lavrich, K; Stevens, T, 2014
)
0.4
" However, further research on long term fate and adverse effects of CeO2 NPs is warranted."( Genotoxicity assessment of cerium oxide nanoparticles in female Wistar rats after acute oral exposure.
Grover, P; Kamal, SS; Kumari, M; Kumari, SI, 2014
)
0.4
" CeO2 NPs had no adverse effects on isopod survival and growth or springtail survival and reproduction."( CeO2 nanoparticles induce no changes in phenanthrene toxicity to the soil organisms Porcellionides pruinosus and Folsomia candida.
Jurkschat, K; Loureiro, S; Soares, AM; Svendsen, C; Tourinho, PS; van Gestel, CA; Waalewijn-Kool, PL; Zantkuijl, I, 2015
)
0.42
"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
" It is well known that most metallic NPs are toxic to humans which raise concerns about these engineered particles."( Cyto- and genotoxic effects of metallic nanoparticles in untransformed human fibroblast.
de Souza, TA; Franchi, LP; Manshian, BB; Matsubara, EY; Rosolen, JM; Soenen, SJ; Takahashi, CS, 2015
)
0.42
"In the last few years, the emission of CeO2 and TiO2 nanoparticles (NPs) into the environment has been raising concerns about their potential adverse effects on wildlife and human health."( Towards the standardization of nanoecotoxicity testing: Natural organic matter 'camouflages' the adverse effects of TiO2 and CeO2 nanoparticles on green microalgae.
Areitioaurtena, O; Barandika, G; Cerrillo, C; Igartua, A; Mendoza, G, 2016
)
0.43
" On the contrary, minor phytotoxicity of nAl₂O₃ was only observed in maize, and no obvious toxic effects were found in the other four metal oxide NPs."( Assessment of the Phytotoxicity of Metal Oxide Nanoparticles on Two Crop Plants, Maize (Zea mays L.) and Rice (Oryza sativa L.).
Chen, J; Dou, R; Gao, X; Mao, C; Wang, L; Yang, Z, 2015
)
0.42
" Additionally, acute toxic responses of 14 ciliated protist species to CeO2 NPs were not significantly phylogenetically conserved."( Fate of engineered cerium oxide nanoparticles in an aquatic environment and their toxicity toward 14 ciliated protist species.
Chen, Y; Du, S; Jiang, L; Pu, Z; Zhang, W, 2016
)
0.43
" The addition of n-TiO2 mitigated the negative effect of more toxic n-CeO2 and the binary toxicity (antagonistic toxicity) of n-TiO2 and n-CeO2 was generally lower than the single NPs induced one."( Toxicity of binary mixtures of metal oxide nanoparticles to Nitrosomonas europaea.
Chang, Y; Chen, L; Liu, M; Lu, H; Wu, J; Yu, R; Zhu, G, 2016
)
0.43
" Cardio toxic rat model was induced by subcutaneous administration of Isoproterenol (ISO) (30mg/kg) for two consecutive days in adult male rats."( In vivo ameliorative effect of cerium oxide nanoparticles in isoproterenol-induced cardiac toxicity.
Abdelazim, SM; El Shaer, SS; Saied, NM; Salaheldin, TA, 2017
)
0.46
"Animal models remain at that time a reference tool to predict potential pulmonary adverse effects of nanomaterials in humans."( Predicting the in vivo pulmonary toxicity induced by acute exposure to poorly soluble nanomaterials by using advanced in vitro methods.
Braun, A; Egles, C; Lacroix, G; Loret, T; Rogerieux, F; Trouiller, B, 2018
)
0.48
"Acrylamide (AA) is a toxic chemical compound found in cooked foods."( Cerium oxide nanoparticles protects against acrylamide induced toxicity in HepG2 cells through modulation of oxidative stress.
Amani, N; Azari, A; Shaki, F; Shokrzadeh, M; Zamani, E, 2019
)
0.51
"The purpose of this study was to investigate the acute toxic potential of cerium oxide nanoparticles (CNPs) synthesized by pullulan in adult male Wistar rats."( Antioxidant and toxicity studies of biosynthesized cerium oxide nanoparticles in rats.
Darroudi, M; Ghayour-Mobarhan, M; Hashemzadeh, A; Khorrami, MB; Pasdar, A; Riahi-Zanjani, B; Sadeghnia, HR; Zare, M, 2019
)
0.51
"Acute administration of pullulan-mediated CNPs is safe and possess antioxidant activity."( Antioxidant and toxicity studies of biosynthesized cerium oxide nanoparticles in rats.
Darroudi, M; Ghayour-Mobarhan, M; Hashemzadeh, A; Khorrami, MB; Pasdar, A; Riahi-Zanjani, B; Sadeghnia, HR; Zare, M, 2019
)
0.51
" PVP-stabilised nanoceria was shown to inhibit autoxidation of curcumin, to enhance curcumin photostability, to promote bioaccumulation and to affect curcumin cytotoxicity and photocytotoxicity, depending on cell type, being more toxic to cancer cells in a selective manner."( Nanoceria-curcumin conjugate: Synthesis and selective cytotoxicity against cancer cells under oxidative stress conditions.
Baranchikov, AE; Ivanov, VK; Ivanova, OS; Reukov, V; Shcherbakov, AB; Zholobak, NM, 2020
)
0.56
" The simultaneous treatment trials did not show a significant increase in viability compared to model toxic dose."( Ameliorating hydroxychloroquine induced retinal toxicity through cerium oxide nanoparticle treatments.
Dhillon, B; Ho, S; Keifer, J; Kumar, U; Seal, S; Shaikh, S; Singh, S, 2022
)
0.72

Pharmacokinetics

ExcerptReferenceRelevance
" Therefore, understanding the pharmacokinetic of newly-generated and atmospherically-aged CeO2 nanoparticles is needed to assess the risks to human health."( In vivo biodistribution and physiologically based pharmacokinetic modeling of inhaled fresh and aged cerium oxide nanoparticles in rats.
Barres, J; Carlander, U; Eagle, WE; Emond, C; Fatouraie, M; Jolliet, O; Li, D; Morishita, M; Wagner, JG; Wooldridge, M, 2016
)
0.43
" A physiologically based pharmacokinetic (PBPK) model that includes mucociliary clearance, phagocytosis, and entry into the systemic circulation by alveolar wall penetration was developed to predict the biodistribution kinetic of the inhaled CeO2 nanoparticles."( In vivo biodistribution and physiologically based pharmacokinetic modeling of inhaled fresh and aged cerium oxide nanoparticles in rats.
Barres, J; Carlander, U; Eagle, WE; Emond, C; Fatouraie, M; Jolliet, O; Li, D; Morishita, M; Wagner, JG; Wooldridge, M, 2016
)
0.43
" A useful tool to explore such associations between exposure and internal target dose is physiologically based pharmacokinetic (PBPK) modeling."( Physiologically based pharmacokinetic modeling of nanoceria systemic distribution in rats suggests dose- and route-dependent biokinetics.
Carlander, U; Desalegn, AA; Johanson, G; Moto, TP; Yokel, RA, 2018
)
0.48

Compound-Compound Interactions

ExcerptReferenceRelevance
"Engineered nanoparticles (NPs) and natural organic matter (NOM) in the environment may interact with background contaminants such as heavy metals and modify their bioavailability and toxicity."( MITIGATION OF Cu(II) PHYTOTOXICITY TO RICE (ORYZA SATIVA) IN THE PRESENCE OF TiO₂ AND CeO₂ NANOPARTICLES COMBINED WITH HUMIC ACID.
Duan, D; Fang, H; Feng, J; Liu, T; Peng, C; Shi, J; Sun, L; Wang, Y; Zhang, H, 2015
)
0.42

Bioavailability

ExcerptReferenceRelevance
"Little is known about the fate, transport, and bioavailability of CeO(2) nanoparticles (NPs) in soil."( Effect of surface coating and organic matter on the uptake of CeO2 NPs by corn plants grown in soil: Insight into the uptake mechanism.
Aguilera, RJ; Castillo-Michel, H; Gardea-Torresdey, JL; Keller, AA; Li, C; Peralta-Videa, JR; Varela-Ramirez, A; Zhang, J; Zhao, L, 2012
)
0.38
"Engineered nanoparticles (NPs) and natural organic matter (NOM) in the environment may interact with background contaminants such as heavy metals and modify their bioavailability and toxicity."( MITIGATION OF Cu(II) PHYTOTOXICITY TO RICE (ORYZA SATIVA) IN THE PRESENCE OF TiO₂ AND CeO₂ NANOPARTICLES COMBINED WITH HUMIC ACID.
Duan, D; Fang, H; Feng, J; Liu, T; Peng, C; Shi, J; Sun, L; Wang, Y; Zhang, H, 2015
)
0.42
" However, little is known about how the residing organic matter in soil may affect the bioavailability and resulting impacts of nanoceria on plants."( Environmental Effects of Nanoceria on Seed Production of Common Bean (Phaseolus vulgaris): A Proteomic Analysis.
Almeida, IC; Arigi, EA; Choi, H; Flores-Margez, JP; Gardea-Torresdey, JL; Majumdar, S; Peralta-Videa, JR; Trujillo-Reyes, J; VerBerkmoes, NC; White, JC, 2015
)
0.42
" Through sequential extraction, NPs bioavailability in two contrasting soils and in earthworm feed was also investigated."( Bioavailability of CeO2 and SnO2 nanoparticles evaluated by dietary uptake in the earthworm Eisenia fetida and sequential extraction of soil and feed.
Carbone, S; Hertel-Aas, T; Joner, EJ; Oughton, DH, 2016
)
0.43
" The attachment of CeONPs onto two typical components of soil (sand and kaolin) in batch experiments were investigated to provide insights into the retention and bioavailability of CeONPs in soil."( Impact of Nanoparticle Surface Properties on the Attachment of Cerium Oxide Nanoparticles to Sand and Kaolin.
Ma, X; Schwab, AP; White, JC; Zhang, W, 2018
)
0.48
"In this study, we investigated the mechanism of decrease in arsenic (As) bioavailability after addition of biochar (BC) supplemented with iron (Fe)- manganese (Mn)- cerium (Ce) oxide (FMCBC) to As-contaminated paddy soil."( Effect of Fe-Mn-Ce modified biochar composite on microbial diversity and properties of arsenic-contaminated paddy soils.
Gao, M; Liu, X; Song, Z; Zhang, G, 2020
)
0.56
" The curcumin was entrapped in amphiphilic alkylated-dextran nanoparticles to enhance its bioavailability and release at the injured site while cerium oxide nanoparticles were used without any additional processing."( Dextran based amphiphilic nano-hybrid hydrogel system incorporated with curcumin and cerium oxide nanoparticles for wound healing.
Andrabi, SM; Gupta, KC; Kumar, A; Majumder, S, 2020
)
0.56
" The curcumin was encapsulated in the nanoemulgel system to enhance bioavailability in terms of antibacterial, antioxidant, sustained release and permeation at the wound site."( Nanoceria laden decellularized extracellular matrix-based curcumin releasing nanoemulgel system for full-thickness wound healing.
Ali, SI; Bashir, SM; Bhaskar, R; Din Dar, MU; Gani, MA; Gupta, MK; Makhdoomi, DM; Mishra, NC; Purohit, SD; Rather, MA; Singh, H; Yadav, I, 2022
)
0.72

Dosage Studied

ExcerptRelevanceReference
" The difference in distribution following inhalation and instillation leads to the conclusion that the latter may be of use in establishing the nature and comparative response of the lung to different dusts, but not for establishing an absolute dose-response relationship."( The distribution of dust in the rat lung following administration by inhalation and by single intratracheal instillation.
Evans, JC; Evans, N; Evans, RJ; Holmes, A; Morgan, A; Pritchard, JN, 1985
)
0.27
" For higher dosage of Cerium, the absorbance edge shifts to blue slightly."( [Preparation and photocatalytic activity of boron doped CeO2/TiO2 mixed oxides].
Liang, JR; Tang, XH; Wang, BG; Wei, CH, 2006
)
0.33
" In a batch reactor, COD and TOC removals are about 100% and 77% after 120 min in the CWAO of phenol over CeO2-TiO2 1/1 catalyst at reaction temperature of 150 degrees C, the total pressure of 3 MPa, phenol concentration of 1000 mg/L, and catalyst dosage of 4 g/L."( Catalytic wet air oxidation of phenol over CeO2-TiO2 catalyst in the batch reactor and the packed-bed reactor.
Chen, Z; Wang, J; Yang, S; Zhu, W, 2008
)
0.35
" We discuss establishment of effective dosing parameters, along with the physicochemical properties that regulate the pharmacological action of these new nanomaterials."( Treatment of neurodegenerative disorders with radical nanomedicine.
Cohen, CA; Rzigalinski, BA; Singh, N, 2007
)
0.34
"1% bromate formation by increasing cerium oxide dosage from 0 to 250 mg/L."( [Reducing bromate formation by catalyzed ozonation].
Chen, WP; He, R; Lu, JF; Ma, J; Zhang, T, 2008
)
0.35
" In this work, ultra-high resolution field emission scanning electron microscopy (FE-SEM) was used to offer new insights into the dynamical processes of interaction of nanomaterials with macrophage cells dosed with different concentrations of metal oxide nanoparticles (CeO(2), TiO(2) and ZnO)."( Imaging interactions of metal oxide nanoparticles with macrophage cells by ultra-high resolution scanning electron microscopy techniques.
Armstrong, LS; José-Yacamán, M; Plascencia-Villa, G; Ponce, A; Starr, CR, 2012
)
0.38
" In this study, Caenorhabditis elegans and zebrafish (Danio rerio) were dosed with commercially available CeO2 NPs."( Cerium oxide nanoparticles are more toxic than equimolar bulk cerium oxide in Caenorhabditis elegans.
Arnold, MC; Badireddy, AR; Di Giulio, RT; Meyer, JN; Wiesner, MR, 2013
)
0.39
" The increase in Ru/CeO2 dosage led to a progressive enhancement in the oxidation rate of BP by permanganate at neutral pH."( Ruthenium nanoparticles supported on CeO2 for catalytic permanganate oxidation of butylparaben.
Bao, H; Guan, X; Huang, Y; Qiao, J; Sun, B; Wang, H; Zhang, J; Zhou, G, 2013
)
0.39
" Furthermore, higher dosage of ZnO NPs (240 μM) quickly rendered ER stress response before inducing apoptosis."( Endoplasmic reticulum stress induced by zinc oxide nanoparticles is an earlier biomarker for nanotoxicological evaluation.
Bai, R; Chang, Y; Chen, C; Chen, R; Huo, L; Shi, X; Zhang, Z; Zhao, Y, 2014
)
0.4
"Intra-abdominal infection or peritonitis was induced by intraperitoneal injection of cecal material (600 mg/kg in 5% sterile dextrose water at a dosage of 5 mL/kg) obtained from healthy donors."( Therapeutic Potential of Cerium Oxide Nanoparticles for the Treatment of Peritonitis Induced by Polymicrobial Insult in Sprague-Dawley Rats.
Arvapalli, R; Asano, S; Blough, ER; He, K; Maheshwari, M; Manne, ND; Nepal, N; Rice, KM; Selvaraj, V; Shokuhfar, T; Thulluri, S, 2015
)
0.42
" With the increase of dosage of hydrogen peroxide (H2O2), the degradation efficiency of 3,4-DCBTE initially increased and then decreased, because oxygen (O2) was generated in preferential self-reaction when an excess of (H2O2) was added."( [Degradation of 3,4- Dichlorobenzotrifluoride by Fe3O4/CeO2-H2O2 Heterogeneous Fenton-Like Systems].
Ji, DL; Sun, ZN; Yang, Q; Zheng, L, 2015
)
0.42
" CeO2 NPs generally elicited more toxicity with increasing NP concentration, following certain dose-response relationships."( Fate of engineered cerium oxide nanoparticles in an aquatic environment and their toxicity toward 14 ciliated protist species.
Chen, Y; Du, S; Jiang, L; Pu, Z; Zhang, W, 2016
)
0.43
" In contrast, pristine TiO2 nanoparticles induced toxicity to HaCaT cells with prior UV exposure before incubation, particularly at a dosage of 100 mg L-1."( Development of CeO
Bakand, S; Barker, P; Chaki Borrás, M; Konstantinov, K; Morlando, A; Rehman, Y; Sluyter, R, 2020
)
0.56
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Drug Classes (2)

ClassDescription
cerium molecular entity
metal oxideAn inorganic oxide that is an oxide of any metal.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Research

Studies (1,435)

TimeframeStudies, This Drug (%)All Drugs %
pre-19908 (0.56)18.7374
1990's8 (0.56)18.2507
2000's125 (8.71)29.6817
2010's980 (68.29)24.3611
2020's314 (21.88)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 38.31

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index38.31 (24.57)
Research Supply Index7.29 (2.92)
Research Growth Index6.23 (4.65)
Search Engine Demand Index111.48 (26.88)
Search Engine Supply Index3.99 (0.95)

This Compound (38.31)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials5 (0.34%)5.53%
Reviews54 (3.70%)6.00%
Case Studies4 (0.27%)4.05%
Observational0 (0.00%)0.25%
Other1,395 (95.68%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]