Results 341 to 350 of about 495,173 (383)

Impact of Ligand-Induced Oligomer Dissociation on Enzyme Diffusion, Directly Observed at the Single-Molecule Level. [PDF]

Nano Lett
Yancheva YD, Kaya SG, Belyy A, Fraaije MW, Tych KM.   +4 more
europepmc   +1 more source

Studying the Intravenous Iron Sucrose in Antioxidant Status and Oxidative Stress in Pregnant Females with Iron Deficiency Anemia.

J Pharm Bioallied Sci
Rawat S, Jain P, Marawi D, Choudhary VR, Mandloi R.   +4 more
europepmc   +1 more source

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Catalase in vitro.

Methods in Enzymology, 1984
Publisher Summary Catalase exerts a dual function: (1) decomposition of H 2 O 2 to give H 2 O and O 2 (catalytic activity) and (2) oxidation of H donors, for example, methanol, ethanol, formic acid, phenols, with the consumption of 1 mol of peroxide (peroxide activity). The kinetics of catalase does not obey the normal pattern.
H. Aebi
semanticscholar   +4 more sources

Catalase-Like Nanozymes: Classification, Catalytic Mechanisms, and Their Applications.

Small, 2022
The field of nanozymes has developed rapidly over the past decade. Among various oxidoreductases mimics, catalase (CAT)-like nanozyme, acting as an essential part of the regulation of reactive oxygen species (ROS), has attracted extensive research ...
Deting Xu, Liyuan Wu, Haodong Yao, Lina Zhao   +3 more
semanticscholar   +1 more source

Edge‐Site Engineering of Defective Fe–N4 Nanozymes with Boosted Catalase‐Like Performance for Retinal Vasculopathies

Advances in Materials, 2022
Extensive efforts are devoted to refining metal sites for optimizing the catalytic performance of single‐atom nanozymes (SANzymes), while the contribution of the defect environment of neighboring metal sites lacks attention. Herein, an iron‐based SANzyme
Ruofei Zhang, B. Xue, Yanhong Tao, Hanqing Zhao, Zixia Zhang, Xiaonan Wang, Xinyao Zhou, B. Jiang, Zhenglin Yang, Xiyun Yan, Kelong Fan   +10 more
semanticscholar   +1 more source

A Dopamine-Enabled Universal Assay for Catalase and Catalase-Like Nanozymes.

Analytical Chemistry, 2022
Developing a universal strategy to measure catalase (CAT)/CAT-like activity, on one hand, overcomes limitations on current assays, such as moderate sensitivity and limited sample scope; on the other hand, facilitates insightful studies on applications of
Anqi Lin, Quanyi Liu, Yihong Zhang, Quan Wang, Sirong Li, Bijun Zhu, L. Miao, Yan Du, Sheng Zhao, Hui Wei   +9 more
semanticscholar   +1 more source

E. coli Membrane Vesicles as a Catalase Carrier for Long-Term Tumor Hypoxia Relief to Enhance Radiotherapy.

ACS Nano, 2021
Hypoxia is one of the most important factors that limit the effect of radiotherapy, and the abundant H2O2 in tumor tissues will also aggravate hypoxia-induced radiotherapy resistance.
Wenjing Zai, Lin Kang, Tiejun Dong, Haoran Wang, Lining Yin, Shaoju Gan, Wenjia Lai, Yibing Ding, Yiqiao Hu, Jinhui Wu   +9 more
semanticscholar   +1 more source

ENCAPSULATION OF CATALASE AND PEG-CATALASE IN ERYTHROCYTE

Artificial Cells, Blood Substitutes, and Biotechnology, 2001
Reactive partially reduced oxygen species such as superoxide anion (O2-), hydrogen peroxide (H2O2) and hydroxyl radical (OH) are produced in aerobically growing organisms during normal cellular respiration. To provide an effective defense against these reactive species, many aerobic organisms have evolved a multienzyme defense which includes superoxide
Uslan, AH, Baysal, SH
openaire   +4 more sources

PHOTOINACTIVATION OF CATALASE

Photochemistry and Photobiology, 1981
— Inactivation of catalase with visible light (>400nm) has been studied in purified bovine liver catalase and in peroxisomal catalase in the mitochondrial fraction of rat liver. Light corresponding to that of maximal absorbance of the heme site (405 nm) was most effective in inactivation.
Lydia Y.L. Cheng, Lester Packer, E. W. Kellogg   +2 more
openaire   +3 more sources