نتایج جستجو برای: activator generated by electron transfer
تعداد نتایج: 7379511 فیلتر نتایج به سال:
Interaction and electron transfer between putidaredoxin reductase (Pdr) and putidaredoxin (Pdx) from Pseudomonas putida was studied by molecular modeling, mutagenesis, and stopped flow techniques. Based on the crystal structures of Pdr and Pdx, a complex between the proteins was generated using computer graphics methods. In the model, Pdx is docked above the isoalloxazine ring of FAD of Pdr wit...
Gas-phase ion chemistry methods that capture and characterize the degree of activation of small molecules in the active sites of homogeneous catalysts form a powerful new tool to unravel how ligand environments affect reactivity. A key roadblock in this development, however, is the ability to generate the fragile metal oxidation states that are essential for catalytic activity. Here we demonstr...
To obtain a higher heat transfer in the low Reynolds number flows, wavy channels are often employed in myriad engineering applications. In this study, the geometry of grooves shapes is parameterized by means of four angles. By changing these parameters new geometries are generated and numerical simulations are carried out for internal fully developed flow and heat transfer. Results are compared...
The visible-light-driven, phase-transfer-catalyzed, enantioselective perfluoroalkylation and trifluoromethylation of cyclic β-ketoesters is described. The photo-organocatalytic process, which occurs at ambient temperature and under visible light illumination, is triggered by the photochemical activity of in situ-generated electron donor-acceptor complexes, arising from the association of chiral...
Facile decrease in the electron-transfer rate and surface roughness of gold by ultrasonic treatment.
This communication reports that the electron-transfer rate and surface roughness of Au electrodes can be decreased simply by ultrasonic treatment. It seems that the hydroxyl radical generated during ultrasonic treatment plays an important role, as in the case of treatment with Fenton's reagent.
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