New advances in using Raman spectroscopy for the characterization of catalysts and catalytic reactions

C Hess - Chemical Society Reviews, 2021 - pubs.rsc.org
Gaining insight into the mode of operation of heterogeneous catalysts is of great scientific
and economic interest. Raman spectroscopy has proven its potential as a powerful …

Second sphere effects on oxygen reduction and peroxide activation by mononuclear iron porphyrins and related systems

S Bhunia, A Ghatak, A Dey - Chemical Reviews, 2022 - ACS Publications
Activation and reduction of O2 and H2O2 by synthetic and biosynthetic iron porphyrin
models have proved to be a versatile platform for evaluating second-sphere effects deemed …

Single-Atom Mn–N4 Site-Catalyzed Peroxone Reaction for the Efficient Production of Hydroxyl Radicals in an Acidic Solution

Z Guo, Y Xie, J Xiao, ZJ Zhao, Y Wang… - Journal of the …, 2019 - ACS Publications
The peroxone reaction between O3 and H2O2 has been deemed a promising technology to
resolve the increasingly serious water pollution problem by virtue of the generation of …

P450 Enzymes: Their Structure, Reactivity, and Selectivity Modeled by QM/MM Calculations

S Shaik, S Cohen, Y Wang, H Chen, D Kumar… - Chemical …, 2010 - ACS Publications
The introduction of oxygen into biochemical processes has brought about an evolutionary
leap in the history of life, whereby many organisms have evolved to use oxygen as part of …

Synthetic Fe/Cu complexes: toward understanding heme-copper oxidase structure and function

SM Adam, GB Wijeratne, PJ Rogler, DE Diaz… - Chemical …, 2018 - ACS Publications
Heme-copper oxidases (HCOs) are terminal enzymes on the mitochondrial or bacterial
respiratory electron transport chain, which utilize a unique heterobinuclear active site to …

A ferric-superoxide intermediate initiates P450-catalyzed cyclic dipeptide dimerization

HE Gering, X Li, H Tang, PD Swartz… - Journal of the …, 2023 - ACS Publications
The cytochrome P450 (CYP) AspB is involved in the biosynthesis of the diketopiperazine
(DKP) aspergilazine A. Tryptophan-linked dimeric DKP alkaloids are a large family of natural …

Efficient catalytic ozonation over Co-ZFO@ Mn-CN for oxalic acid degradation: Synergistic effect of oxygen vacancies and HOO-Mn-NX bonds

M Xu, Y Zhang, H Yin, J Wang, A Li… - Applied Catalysis B …, 2023 - Elsevier
Abstract Co-ZFO@ Mn-CN with 1 O 2 and O 2•− as main reactive oxygen species was
synthesized for catalytic ozonation, which could efficiently degrade organic pollutants. EPR …

Spectroscopic features of cytochrome P450 reaction intermediates

A Luthra, IG Denisov, SG Sligar - Archives of biochemistry and biophysics, 2011 - Elsevier
Cytochromes P450 constitute a broad class of heme monooxygenase enzymes with more
than 11,500 isozymes which have been identified in organisms from all biological kingdoms …

Spectroscopic studies of the cytochrome P450 reaction mechanisms

PJ Mak, IG Denisov - Biochimica et Biophysica Acta (BBA)-Proteins and …, 2018 - Elsevier
The cytochrome P450 monooxygenases (P450s) are thiolate heme proteins that can, often
under physiological conditions, catalyze many distinct oxidative transformations on a wide …

Evidence for a ferryl intermediate in a heme-based dioxygenase

A Lewis-Ballester, D Batabyal… - Proceedings of the …, 2009 - National Acad Sciences
In contrast to the wide spectrum of cytochrome P450 monooxygenases, there are only 2
heme-based dioxygenases in humans: tryptophan dioxygenase (hTDO) and indoleamine 2 …