Ceria‐based therapeutic antioxidants for biomedical applications

YG Kim, Y Lee, N Lee, M Soh, D Kim… - Advanced …, 2024 - Wiley Online Library
The growing interest in nanomedicine over the last 20 years has carved out a research field
called “nanocatalytic therapy,” where catalytic reactions mediated by nanomaterials are …

Two decades of ceria nanoparticles research: structure, properties and emerging applications

A Othman, A Gowda, D Andreescu, MH Hassan… - Materials …, 2024 - pubs.rsc.org
Cerium oxide nanoparticles (CeNPs) are versatile materials with unique and unusual
properties that vary depending on their surface chemistry, size, shape, coating, oxidation …

Peroxidase-like Activity of CeO2 Nanozymes: Particle Size and Chemical Environment Matter

AD Filippova, MM Sozarukova, AE Baranchikov… - Molecules, 2023 - mdpi.com
The enzyme-like activity of metal oxide nanoparticles is governed by a number of factors,
including their size, shape, surface chemistry and substrate affinity. For CeO2 nanoparticles …

The extent of platinum-induced hydrogen spillover on cerium dioxide

A Beck, D Kazazis, Y Ekinci, X Li, EA Müller Gubler… - ACS …, 2022 - ACS Publications
Hydrogen spillover from metal nanoparticles to oxides is an essential process in
hydrogenation catalysis and other applications such as hydrogen storage. It is important to …

Selective Hydrogenation of Propyne to Propene Promoted by Synergistic Effect of Surface Oxygen Vacancies and Hydride Species on Ceria

Z Zhou, L Chen, L Wang, Y Liu, P Cheng, H Peng… - ACS …, 2023 - ACS Publications
The high activity and selectivity of ceria in selective hydrogenation of alkynes have attracted
much attention. However, the high operating temperature and the high H2/alkyne ratios …

Cu oxide deposited on shape-controlled ceria nanocrystals for CO oxidation: influence of interface-driven oxidation states on catalytic activity

KP Reddy, H Choi, D Kim, R Ryoo… - Catalysis Science & …, 2021 - pubs.rsc.org
The design of a catalyst with a highly active and stable oxidation state is of great interest in
heterogeneous catalysis. Herein, the relationship between catalytic activity and oxidation …

Oxygen vacancies, hydroxyl groups and fluorine ions in the local environment of Yb3+ ions doped in CeO2 nanoparticles

RM Rakhmatullin, OA Morozov, SL Korableva… - Ceramics …, 2024 - Elsevier
The local environment of Yb 3+ ions doped into ceria (CeO 2) nanoparticles, synthesized by
two different methods, was determined using EPR spectroscopy. It was found that the charge …

Aging of nanoscale cerium oxide in a peroxide environment: Its influence on the redox, surface, and dispersion character

CJ Neal, TS Sakthivel, Y Fu, S Seal - The Journal of Physical …, 2021 - ACS Publications
Nanoscale cerium oxide has demonstrated substantial utility in biomedical applications.
Among the various synthetic approaches, particles formed from addition of hydrogen …

Low-Temperature Inactivation of Enzyme-like Activity of Nanocrystalline CeO2 Sols

AD Filippova, MM Sozarukova, AE Baranchikov… - Russian Journal of …, 2022 - Springer
Colloidal solutions of CeO2 stabilized by citrate ions were synthesized by hydrolysis of
cerium (III) nitrate in an alkaline medium in the presence of citric acid at 20–80° C. The …

Overlooked impact of surface hydroxylation on the solubility of less-soluble compounds: a case study of CeO 2

TV Plakhova, AY Romanchuk… - Environmental …, 2024 - pubs.rsc.org
Unexpectedly, the solubility of CeO2 nanoparticles (NPs) at 25° C does not depend on
particle size, but is significantly affected by the sample's thermal pre-treatment. The classical …