Results 1 to 10 of about 4,321,073 (342)

Activity Quantification of Fuel Cell Catalysts via Sequential Poisoning by Multiple Reaction Inhibitors

open access: yesNanomaterials, 2022
The development of non−Pt or carbon−based catalysts for anion exchange membrane fuel cells (AEMFCs) requires identification of the active sites of the catalyst.
Yunjin Kim   +8 more
doaj   +1 more source

An Investigation of Active Sites for electrochemical CO2 Reduction Reactions: From In Situ Characterization to Rational Design

open access: yesAdvanced Science, 2021
The electrochemical carbon dioxide (CO2) reduction reaction (CO2RR) is among the most promising approaches used to transform greenhouse gas into useful fuels and chemicals.
Yuqin Zou, Shuangyin Wang
doaj   +1 more source

Cloning and Phylogenetic Relationships Analysis of an Oxidoreductase Gene in Product Pathway of Ethylene Hormone [PDF]

open access: yesمجله بیوتکنولوژی کشاورزی, 2015
1-aminocyclopropane-1-carboxylic acid oxidase (ACO) enzyme is a member of the Fe (II-dependent family of oxidases/ oxygenases) and for activity requires Fe2+ as cofactors and ascorbate as a co-substrate.
Zohreh Jafari   +3 more
doaj   +1 more source

Purification and Mechanism of Microcystinase MlrC for Catalyzing Linearized Cyanobacterial Hepatotoxins Using Sphingopyxis sp. USTB-05

open access: yesToxins, 2022
Cyanobacterial hepatotoxins, including microcystins (MCs) and nodularins (NODs), are widely produced, distributed and extremely hazardous to human beings and the environment.
Qianwen Zou   +9 more
doaj   +1 more source

Energetics and thermodynamic stability of potential Fe(II)‐hexa‐aza‐active sites for O2 reduction in PEM fuel cells

open access: yesSusMat, 2022
We present here a thermodynamic assessment of the stability behavior in acid environment at 298 and 353 K (80°C) of two iron (II) hexa‐aza‐macrocyclic complexes and of an hexa‐aza‐iron‐based site (FeIIN(4+2)/C) that should potentially be active for the ...
Vassili P. Glibin   +2 more
doaj   +1 more source

Ni–Rh-based bimetallic conductive MOF as a high-performance electrocatalyst for the oxygen evolution reaction

open access: yesFrontiers in Chemistry, 2023
Metal–organic frameworks (MOFs) have recently been considered the promising catalysts due to their merits of abundant metal sites, versatile coordination groups, and tunable porous structure.
Shu Zu   +4 more
doaj   +1 more source

surface-active site

open access: gold
Citation: 'surface-active site' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.14097 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +2 more sources

Structural Evidence for a Copper-Bound Carbonate Intermediate in the Peroxidase and Dismutase Activities of Superoxide Dismutase [PDF]

open access: yes, 2012
Copper-zinc superoxide dismutase (SOD) is of fundamental importance to our understanding of oxidative damage. Its primary function is catalysing the dismutation of superoxide to O2 and H2O2. SOD also reacts with H2O2, leading to the formation of a strong
Luis Eduardo Soares Netto   +4 more
core   +8 more sources

Structural and biophysical aspects of l-asparaginases: a growing family with amazing diversity

open access: yesIUCrJ, 2021
l-Asparaginases have remained an intriguing research topic since their discovery ∼120 years ago, especially after their introduction in the 1960s as very efficient antileukemic drugs.
Joanna I. Loch, Mariusz Jaskolski
doaj   +1 more source

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