Results 191 to 200 of about 3,814 (227)
Antioxidant activity of levan coated cerium oxide nanoparticles
Carbohydrate Polymers, 2016 Levan coated cerium oxide nanoparticles (LCNPs) with the enhanced antioxidant activity were successfully synthesized and characterized. Levan and their derivatives are attractive for biomedical applications attributable to their antioxidant, anti ...
Sun-Jung Kim
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Uptake and effects of cerium(III) and cerium oxide nanoparticles to Chlamydomonas reinhardtii
Aquatic Toxicology, 2018Cerium (Ce) and cerium oxide nanoparticles (CeO2 NP) are increasingly used in different applications. Upon their release into the aquatic environment, the exposure of aquatic organisms becomes likely. In this study, the uptake of CeO2 NP and Ce3+ into the wild type and cell wall free mutant of Chlamydomonas reinhardtii was examined upon short term ...
Kosak Née Röhder LA +3 more
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Synthesis and conductivity of cerium oxide nanoparticles
Materials Letters, 2010Abstract Cerium oxide (CeO2) nanoparticles have been synthesized through composite-hydroxide-mediated approach. The X-ray powder diffraction (XRD) measurement proved that the pure cubic CeO2 could be obtained at a low temperature region (170–220 °C).
Hongyun Jin +3 more
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Synthesis and Properties of Cerium Oxide Nanoparticles
Advanced Materials Research, 2011Cerium oxide(CeO2)nanoparticles were synthesized via a precipitation method using cerous sulfate, ammonia water and cetyl three methyl brominated ammoniu(CTAB) as raw materials. The effect of thermal treatment temperature and dispersing agent on the crystal structure and morphology were discussed.
Yong Li, Jin Gui He, Xiao Wei Huang
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Cerium Oxide Nanoparticles are More Toxic than Equimolar Bulk Cerium Oxide in Caenorhabditis elegans
Archives of Environmental Contamination and Toxicology, 2013Engineered cerium oxide nanoparticles (CeO2 NPs) are widely used in biomedical and engineering manufacturing industries. Previous research has shown the ability of CeO2 NPs to act as a redox catalyst, suggesting potential to both induce and alleviate oxidative stress in organisms.
M C, Arnold +4 more
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Cerium oxide nanoparticles promote HSA fibrillation in vitro
International Journal of Biological Macromolecules, 2017Physicochemical characterization of CeO2NPs using UV-vis, FTIR and XRD have confirmed the characteristic identity and fluorite phase of their crystalline nature. The interaction studies between cerium oxide nanoparticles (CeO2NPs) and HSA were investigated using fluorescence emission and synchronous spectra, UV-vis absorbance, FTIR, FT-Raman and ...
Gajalakshmi, Sekar +3 more
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Functionalization of Cerium Oxide Nanoparticles to Influence Hydrophobic Properties
Langmuir, 2019Electroless functionalization of cerium oxide nanoparticles (NPs) based on the grafting of aryl groups from the reduction of diazonium salts is presented as a useful and facile method for enhancing the properties of the NPs. For this study, 4-methyl-, 4-ethyl-, and 4- n-butyl-benzene diazonium salts were used as model molecules to demonstrate the ...
Stephen Sanders, Teresa D. Golden
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Redox reactivity of cerium oxide nanoparticles against dopamine
Journal of Colloid and Interface Science, 2014The interaction between dopamine and the redox active cerium oxide nanoparticles, or nanoceria was studied using a suite of spectroscopic and surface characterization methods. Changes in the chemical reactivity and concentration of dopamine upon exposure to nanoceria was assessed in aqueous solutions and a human physiological fluid--human serum.
Akhtar, Hayat +3 more
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Cerium oxide nanoparticles: a promise for applications in therapy.
Journal of experimental therapeutics & oncology, 2011In the last years, increasing biological interest is emerging for nanotechnology that can improve pharmacological treatments, by using nanomaterials. In particular, cerium oxide nanoparticles, considered one of the most interesting nanomaterials for their catalytic properties, show a promise for application in therapy.
CELARDO, IVANA FRANCESCA +2 more
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Synthesis and Characterization of Polyvinylpyrrolidone Coated Cerium Oxide Nanoparticles
Environmental Science & Technology, 2013There is a pressing need for the development of standard and reference nanomaterials for environmental nanoscience and nanotoxicology. To that aim, suspensions of polyvinylpyrrolidone (PVP)-coated ceria nanoparticles (NPs) were produced. Four differently sized monodispersed samples were produced by using different PVP chain lengths.
Ruth C, Merrifield +3 more
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