Results 301 to 310 of about 1,072,450 (362)

Catalytically Synthesized Prussian Blue Nanoparticles Defeating Natural Enzyme Peroxidase.

Journal of the American Chemical Society, 2018
We synthesized Prussian Blue (PB) nanoparticles through catalytic reaction involving hydrogen peroxide (H2O2) activation. The resulting nanoparticles display the size-dependent catalytic rate constants in H2O2 reduction, which are significantly improved ...
M. Komkova, E. E. Karyakina, A. Karyakin
semanticscholar   +1 more source

High-yield production of manganese peroxidase, lignin peroxidase, and versatile peroxidase in Phanerochaete chrysosporium

Applied Microbiology and Biotechnology, 2014
The white-rot fungus Phanerochaete chrysosporium secretes extracellular oxidative enzymes during secondary metabolism, but lacks versatile peroxidase, an enzyme important in ligninolysis and diverse biotechnology processes. In this study, we report the genetic modification of a P.
Nancy, Coconi-Linares, Denis, Magaña-Ortíz, Doralinda A, Guzmán-Ortiz, Francisco, Fernández, Achim M, Loske, Miguel A, Gómez-Lim   +5 more
openaire   +2 more sources

Nitrogen-Doped Carbon Nanomaterials as Highly Active and Specific Peroxidase Mimics

Chemistry of Materials, 2018
Nanozymes, the enzyme-mimicking nanomaterials, have been developed to overcome the low stability and high cost of natural enzymes. Unlike highly active and specific enzymes, however, the catalytic activities of nanozymes are moderate and lack specificity.
Yi-Hui Hu, Xue-Jiao J. Gao, Yunyao Zhu, Faheem Muhammad, Shi-Hua Tan, Wen Cao, Shichao Lin, Zhongchao Jin, Xingfa Gao, Hui Wei   +9 more
semanticscholar   +1 more source

Redesign of Cytochrome c Peroxidase into a Manganese Peroxidase:  Role of Tryptophans in Peroxidase Activity

Biochemistry, 1999
Trp191Phe and Trp51Phe mutations have been introduced into an engineered cytochrome c peroxidase (CcP) containing a Mn(II)-binding site reported previously (MnCcP; see Yeung, B. K.-S., et al. (1997) Chem. Biol. 5, 215-221). The goal of the present study is to elucidate the role of tryptophans in peroxidase activity since CcP contains both Trp51 and ...
A, Gengenbach, S, Syn, X, Wang, Y, Lu
openaire   +2 more sources

Horseradish peroxidase. XXXVI. On the difference between peroxidase and metmyoglobin

Biochemical and Biophysical Research Communications, 1979
Abstract A mechanism for the reaction of hydrogen peroxide with horseradish peroxidase is proposed which involves the catalytic activity of the carboxylate side chain of aspartate residue 43. The corresponding residue in the active site of metmyoglobin is glycine E8, which explains the inability of metmyoglobin to form compound I.
H B, Dunford, T, Araiso
openaire   +2 more sources

Catalase-Peroxidases in Cyanobacteria – Similarities and Differences to Ascorbate Peroxidases

Free Radical Research, 1999
Cyanobacteria (blue-green algae) are oxygenic phototrophic bacteria carrying out plant-type photosynthesis. The only hydrogen peroxide scavenging enzymes in at least two unicellular species have been demonstrated to be bifunctional cytosolic catalase-peroxidases (CatPXs) having considerable homology at the active site with plant ascorbate peroxidases ...
C, Obinger, G, Regelsberger, P G, Furtmüller, C, Jakopitsch, F, Rüker, A, Pircher, G A, Peschek   +6 more
openaire   +2 more sources

Studies on the quantitative and qualitative characterization of erythrocyte glutathione peroxidase.

Journal of Laboratory and Clinical Medicine, 1967
D. Paglia, W. N. Valentine
semanticscholar   +1 more source

Assays of glutathione peroxidase.

Methods in Enzymology, 1984
Leopold Flohé, W. Günzler
semanticscholar   +1 more source

Selenium: Biochemical Role as a Component of Glutathione Peroxidase

Science, 1973
J. T. Rotruck, A. L. Pope, H. Ganther, A. Swanson, D. Hafeman, W. G. Hoekstra   +5 more
semanticscholar   +1 more source

Hydrogen Peroxide is Scavenged by Ascorbate-specific Peroxidase in Spinach Chloroplasts

, 1981
Y. Nakano, K. Asada
semanticscholar   +1 more source