Structure and properties of cerium oxides in bulk and …
Cerium sesquioxide Ce 2 O 3 had been reported to form at the 300 °C between 10 −98 atm and 10 −40 atm (while the dioxide is still stable in bulk at partial oxygen pressure down to 10 −40 atm) [21].Nanoform of sesquioxide, stable at ambient conditions, had been also reported [22].Similar to other trivalent lanthanide oxides, Ce(III) oxide was …
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Cerium Oxide Nanostructures and their Applications
Due to excellent physical and chemical properties, cerium oxide (ceria, CeO2) has attracted much attention in recent years. This chapter aimed at providing some basic and fundamental properties of ceria, the importance of oxygen vacancies in this material, nano‐size effects and various synthesis strategies to form diverse structural …
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Cerium oxide nanostructures: properties, biomedical …
When cerium combines with oxygen during NP formulation, it attains a fluorite crystalline (FCC) structure (Xu and Qu 2014 ). Cerium oxide NPs (CeNPs) have …
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Cerium oxide nanoparticles in cancer
With the development of many nanomedicines designed for tumor therapy, the diverse abilities of cerium oxide nanoparticles (CONPs) have encouraged researchers to pursue CONPs as a therapeutic agent to treat cancer. Research data have shown CONPs to be toxic to cancer cells, to inhibit invasion, and to sensitize cancer cells to …
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Nanostructured cerium oxide: preparation, characterization, …
Nanostructured cerium oxide (CeO 2) with outstanding physical and chemical properties has attracted extensive interests over the past few decades in environment and energy-related applications.With controllable synthesis of nanostructured CeO 2, much more features were technologically brought out from defect chemistry to structure-derived …
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Synthesis of Cerium Oxide Nanoparticles Using Various …
Cerium oxide nanoparticles have been shown to mitigate oxidative stress damage, which has been linked to the development of neurodegenerative diseases such as Parkinson's and Alzheimer's disease. ... 2014; 16:17183–17195. doi: 10.1039/C4CP02276A. [Google Scholar] 6. Huang W., Gao Y. Morphology-dependent surface chemistry and …
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Nanostructured cerium oxide: preparation, characterization…
Cerium oxide (CeO 2) is a typical fluorite-structured compound containing a cubic close-packed array of metal atoms with eight coordinate Ce 4+ and four coordinate O 2− as shown in Fig. 1(a).The {111} surface is terminated by threefold-coordinated oxygen atoms and sevenfold-coordinated cerium atoms; the {110} surface is terminated by a …
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Cerium Oxide Nanoparticles: A Brief Review of Their …
Cerium oxide nanoparticles (CeNPs) exhibit antioxidant properties both in vitro and in vivo. This is due to the self-regeneration of their surface, which is based on …
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(PDF) Bio Synthesis of Cerium Oxide Nanoparticles using …
International Journal of Scientific and Research Publications, Volume 4, Issue 6, June 2014 ISSN 2250-3153 1 Bio Synthesis of Cerium Oxide Nanoparticles using Aloe Barbadensis Miller Gel G. Sai Priya1, Abhimanyu Kanneganti1, K. Anil Kumar1, K. Venkateswara Rao2, Satish Bykkam2 1 2 Dept of Physics & Nanotechnology, SRM University, Chennai …
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Multienzyme-Mimetic Activity of Gold/Cerium …
Multienzyme-Mimetic Activity of Gold/Cerium Oxide Nanozyme. Qi Xin, Qi Xin. Tianjin Key Laboratory of Brain Science and Neural Engineering, Academy of Medical Engineering and Translational …
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Food-directed synthesis of cerium oxide
@article{Darroudi2014FooddirectedSO, title={Food-directed synthesis of cerium oxide nanoparticles and their neurotoxicity effects}, author={Majid Darroudi and Seyed Javad Hoseini and Reza Kazemi Oskuee and Hasan Ali Hosseini and Leila Gholami and Sina Gerayli}, journal={Ceramics International}, year={2014}, volume={40}, …
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Cerium oxide nanoparticle: A remarkably versatile rare …
Cerium oxide nanoparticles (CeONPs) have received much attention because of their excellent catalytic activities, which are derived from quick and expedient mutation of the oxidation state between ...
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The influence of the Hubbard
The influence of the Hubbard U parameter in simulating the catalytic behaviour of cerium oxide . Liam James Bennett* a and Glenn Jones ... 2014, 16, 21032 DOI: 10.1039/C4CP00928B . To request permission to reproduce material from this article, please go to the ...
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Effect of cerium oxide nanoparticles on asparagus lettuce …
The increasing chances of manufactured nanoparticles (NPs) being released into the environment highlight the importance of understanding their interactions with plants, which are the basis of ecosystems. In this study, the phytotoxicity of CeO2 NPs on asparagus lettuce was assessed. Lettuce seeds were treate
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Untangling the biological effects of cerium oxide
The effect of cerium valence states at cerium oxide nanoparticle surfaces on cell proliferation. Biomaterials 35, 4441–4453, 10.1016/j.biomaterials.2014.01.074 (2014). Article CAS PubMed Google ...
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Antibacterial mechanism and activity of cerium oxide nanoparticles
Chen BH, Suresh Babu K, Anandkumar M, et al. Cytotoxicity and antibacterial activity of gold-supported cerium oxide nanoparticles. Int J Nanomed, 2014, 9: 5515. Google Scholar Sun C, Li H, Chen L. Nanostructured ceria-based materials: Synthesis, properties, and applications. Energy Environ Sci, 2012, 5: 8475
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Cerium oxide and its nanocomposites: Structure, …
Abstract. Pollutants are posing a severe threat to the environment. These toxic pollutants are quite carcinogenic and neurogenic. Therefore, methodologies are …
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Cerium oxide nanoparticles: properties, biosynthesis and …
Cerium oxide nanoparticles have gained a lot of attention as a potential future candidate for ending various kinds of problems by exhibiting redox activity, free radical scavenging property, biofilm inhibition, ... Nano, The Royal Society of Chemistry, 2014 ). Density and molar mass of cerium is 6.770 gm cm −3 (approximately) ...
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The surface chemistry of cerium oxide
Summary and outlook. Adsorption and reaction on cerium oxide surfaces are clearly related to the key concepts highlighted in the Introduction: (1) the coordination environment of the surface atoms; (2) the redox properties of the oxide; and (3) the oxidation state of the surface [6].
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The surface chemistry of cerium oxide
Surface Science Reports. Volume 70, Issue 1, March 2015, Pages 42-85. The surface chemistry of cerium oxide☆. David R. Mullins. Show more. Add to Mendeley. …
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Cerium oxide nanostructures: properties, biomedical …
Cerium oxide nanoparticles have significantly improved catalytic properties and are of increasing interest in the nanoparticle research field hence the current trends in cerium oxide nanoparticles are reviewed here. ... Mazzolai B. Mattoli V (2014) Transcriptional profile of genes involved in oxidative stress and antioxidant defense in …
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Interactive effects of cerium oxide and diesel exhaust
Abstract. Cerium compounds have been used as a fuel-borne catalyst to lower the generation of diesel exhaust particles (DEPs), but are emitted as cerium oxide nanoparticles (CeO2) along with DEP in the diesel exhaust. The present study investigates the effects of the combined exposure to DEP and CeO2 on the pulmonary system in a rat …
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Antioxidants | Free Full-Text | Cerium Oxide Nanoparticles: …
Cerium, a rare earth metal, is the first element of the lanthanide series in the periodic table. The 4f orbitals of rare earth metals are adequately shielded by 5p and 4d electrons, leading to interesting catalytic properties [].Unlike most rare earth metals, cerium can exist in both 3+ and 4+ states [].Thus, cerium oxide exists as both CeO 2 and Ce 2 …
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Catalytic properties and biomedical applications of cerium oxide
10 Nov 2014. Download Citation. Environ. Sci.: Nano, 2015, 2, 33-53 Permissions. Request permissions Catalytic properties and biomedical applications of cerium oxide nanoparticles ... Cerium oxide nanoparticles (nanoceria) have shown promise as catalytic antioxidants in the test tube, cell culture models and animal models of disease. ...
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Cerium oxide nanoparticles protect against Aβ-induced …
Cerium oxide nanoparticles, or nanoceria, switch between their Ce 3+ and Ce 4+ states and are able to scavenge superoxide anions, hydrogen peroxide and peroxynitrite. Therefore, nanoceria might protect against neurodegeneration. ... 2014; 1842:220–231. [PMC free article] [Google Scholar] Manczak M, Calkins MJ, Reddy PH. …
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Cerium Oxide (CeO₂): Synthesis, Properties and Applications
Abstract. Cerium dioxide (CeO 2) presents unique properties as the special electronic and optical properties of the 4f electrons, the capacity to form nonstoichiometric oxygen-deficient CeO 2 − x oxides, the high oxygen mobility, and the reversible transformation between Ce 4 + and Ce 3 + that make it interesting for photocatalytic applications. CeO 2 is a wide …
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Cerium oxide nanoparticles: green synthesis and biological …
Introduction. CeO 2 nanoparticles (NPs) have received much attention in nanotechnology due to their useful applications as catalysts, fuel cells and antioxidants in biological systems. 1 – 5 In general, cerium can exist in two oxidation states: Ce 3+ and Ce 4+.Therefore, cerium dioxide can have two different oxide forms, CeO 2 (Ce 4+) or Ce 2 …
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Fundamentals and Catalytic Applications of CeO2-Based …
Cerium dioxide (CeO2, ceria) is becoming an ubiquitous constituent in catalytic systems for a variety of applications. 2016 sees the 40th anniversary since ceria was first employed by Ford Motor Company as an oxygen storage component in car converters, to become in the years since its inception an irreplaceable component in …
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Cerium oxide nanostructures: properties, biomedical …
When cerium combines with oxygen during NP formulation, it attains a fluorite crystalline (FCC) structure (Xu and Qu 2014 ). Cerium oxide NPs (CeNPs) have been formulated as riveting nanomaterials with excellent biomedical applications. Two types of cerium oxides are possible: (1) Cerium dioxide (CeO 2) and Cerium sesquioxide (Ce …
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Gordon Glass® Cerium Oxide High Grade Polishing Powder …
Product Description. Gordon Glass High Grade Cerium Oxide: Contains No Zinc Gordon Glass Cerium Oxide is a high-quality polishing compound for removing fine scratches and scuff marks from glass and mirrors. Apply slurry of cerium oxide with a Felt Polishing Wheel to restore scratched glass, mirrors, even car headlights quickly and easily.
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