The Hill reaction is one of the simplest chloroplast reactions in which one can measure in unambiguous terms both the reducing and the oxidizing equivalents produced in the process of photosyntnesis. In its simplest aspect, the oxidizing power is measured as oxygen production, while the reducing power is measured in terms of reduction of some electron acceptor (9). Two other photochemical react...

Efficient reduction of O2 to water is a central challenge in energy conversion and many aerobic oxidation reactions. Here, we show that the electrochemical oxygen reduction reaction (ORR) can be achieved at high potentials by using soluble organic nitroxyl and nitrogen oxide (NO x ) mediators. When used alone, neither organic nitroxyls, such as 2,2,6,6-tetramethyl-1-piperidinyl-N-oxyl (TEMPO), ...

The electrochemical behavior of lithium bis~trifluoromethanesulfonyl!imide in ethyl methyl sulfone was studied. The coulombic efficiencies for the oxidation-reduction of lithium at platinum, aluminum, and mercury electrodes were 50, 93, and 99%, respectively. A comparison of the results with Pt, Al, and Hg electrodes suggests that chemical reactions of lithium with the electrolyte contribute to...

Benefiting from the ultrahigh specific surface areas, highly accessible atoms, and tunable microscopic structures, two-dimensional metallenes as nanocatalysts have displayed promising performance for various electrocatalytic reactions. Herein, we reviewed recent advances on in structural regulations including defect, phase, strain, interface, doping, alloying engineering strategies their applic...

Previously, it has been demonstrated that microsomal, mitochondrial and nuclear enzymes isolated from the liver of male Sprague-Dawley rats catalyzed the oxidation of diethylstilbestrol (DES) to DES quinone. In the present study we have shown that diallyl sulfide (DAS) inhibits the oxidation of DES to DES quinone in all three subcellular fractions (microsomes, mitochondria and nuclei) isolated ...

VOX/TiO2 catalysts with different vanadium loading were prepared in order to study the influence of species on effect water simultaneous NO reduction through NH3-SCR and o-DCB oxidation reactions. The presence isolated, polymeric crystalline their redox acid properties evaluated by N2-Adsorption, XRD, Raman, H2-TPR, XPS NH3-TPD. Water has a bimodal reversible both depending temperature. In SCR,...

Polysaccharides are used extensively in various industrial applications, such as food, adhesives, coatings, construction, paper, pharmaceuticals, and personal care. Many polysaccharide structures need to be modified in order to improve their end-use properties; this is mostly done through chemical reactions. In the past 20 years many enzyme-catalyzed modifications have been developed to supplem...

The electrochemical behaviour of 2,8-dihydroxyadenine (2,8-DHA)- the main adenine oxidation product- has been investigated over a wide pH range at a glassy carbon electrode (GCE) using cyclic, differential pulse and square wave voltammetry. The oxidation of 2,8-DHA is a quasi-reversible process, pH dependent and occurs with the formation of a main oxidation product, P(2,8-DHA), that strongly ad...

The blue bottle experiment is a collective term for autoxidation reactions catalysed by redox indicators. The reactions are characterized by their repeatable cycle of colour changes when shaken/left to stand and intricate chemical pattern formation. The blue bottle experiment is studied based on calculated solution-phase half-cell reduction potential of related reactions. Our investigation conf...