نتایج جستجو برای: catalytic oxidation
تعداد نتایج: 187843 فیلتر نتایج به سال:
transition-metal-substituted (tms) polyoxometalates of the general formula [siw9m3o39], (where m = first row transition metal), has been synthesized and supported on anatase by sol–gel method under oil-bath condition. the tetrabutylammonium (tba) salts of the keggin-type polyoxotungstates [siw9m3o39], (m = vii, crii, mnii, feii coii and niii), proved to be green, reusable, and ...
The production of reactive oxygen species (ROS) exerts an additional tier of control over tyrosine phosphorylation-dependent signal transduction by transiently inhibiting the catalytic activity of specific protein tyrosine phosphatases (PTPs). Hence, the ability to detect reversible oxidation of PTPs in vivo is critical to understanding the complex biological role of ROS in the control of cellu...
The H/H2 redox couple was investigated as a mediator system for scanning electrochemical microscopy (SECM) with proton reduction from a 0.01 M HClO4 solution at a Pt tip. The feedback behavior of the mediator was examined at different substrates (Pt, Au). Unlike the one-electron outer-sphere redox couples usually used as mediators in SECM, this mediator system is sensitive to the catalytic acti...
The nitric acid oxidation of D-glucose was reinvestigated in an effort to better understand and improve the oxidation and subsequent work up steps. The oxidation was carried out using a computer controlled reactor employing a closed reaction flask under an atmosphere of oxygen which allowed for a catalytic oxidation process with oxygen as the terminal oxidant. Removal of nitric acid from produc...
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