scholarly journals The enzyme-like catalytic activity of cerium oxide nanoparticles and its dependency on Ce3+ surface area concentration

Nanoscale ◽  
2018 ◽  
Vol 10 (15) ◽  
pp. 6971-6980 ◽  
Author(s):  
V. Baldim ◽  
F. Bedioui ◽  
N. Mignet ◽  
I. Margaill ◽  
J.-F. Berret
Keyword(s):  
Reactive Oxygen Species ◽  
Hydrogen Peroxide ◽  
Catalytic Activity ◽  
Surface Area ◽  
Cerium Oxide ◽  
Superoxide Radical ◽  
Cerium Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Oxygen Species ◽  
Surface Area Concentration

Cerium oxide nanoparticles are known to catalyze the decomposition of reactive oxygen species such as the superoxide radical and hydrogen peroxide.

Dual role of hydrogen peroxide on the oxidase-like activity of nanoceria and its application for colorimetric hydrogen peroxide and glucose sensing

RSC Advances ◽  
2016 ◽  
Vol 6 (65) ◽  
pp. 59939-59945 ◽  
Author(s):  
Ruochen Guo ◽  
Yanru Wang ◽  
Shaoxuan Yu ◽  
Wenxin Zhu ◽  
Fangqing Zheng ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Catalytic Activity ◽  
Cerium Oxide ◽  
Glucose Sensing ◽  
Dual Role ◽  
Cerium Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Chromogenic Substrate

Nanoceria (cerium oxide nanoparticles) exhibits excellent catalytic activity towards chromogenic substrate 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2), which has been reported.

Poly(acrylic acid)-mediated synthesis of cerium oxide nanoparticles with variable oxidation state and their effect on regulating intracellular ROS level

2021 ◽  
Author(s):  
Xiaohui Ju ◽  
Marie Hubalek Kalbacova ◽  
Břetislav Šmíd ◽  
Viktor Johánek ◽  
Martin Janata ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Acrylic Acid ◽  
Cerium Oxide ◽  
Oxidation State ◽  
Cerium Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Oxygen Species ◽  
Redox Enzyme ◽  
Enzyme Mimetic ◽  
Intracellular Ros

Cerium oxide nanoparticles (CeNPs) possess multiple redox enzyme mimetic activities to scavenge reactive oxygen species (ROS) as potential biomedicine. These enzymatic activities of CeNPs are closely related to their surface...

Cellular uptake and reactive oxygen species modulation of cerium oxide nanoparticles in human monocyte cell line U937

Biomaterials ◽  
2012 ◽  
Vol 33 (31) ◽  
pp. 7915-7924 ◽  
Author(s):  
Megan S. Lord ◽  
MoonSun Jung ◽  
Wey Yang Teoh ◽  
Cindy Gunawan ◽  
James A. Vassie ◽  
...  
Keyword(s):  
Reactive Oxygen Species ◽  
Cell Line ◽  
Cerium Oxide ◽  
Cellular Uptake ◽  
Human Monocyte ◽  
Cerium Oxide Nanoparticles ◽  
Oxide Nanoparticles ◽  
Oxygen Species ◽  
Human Monocyte Cell Line ◽  
Monocyte Cell
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