نتایج جستجو برای: thiol
تعداد نتایج: 12128 فیلتر نتایج به سال:
Novel Au nano-particle catalysts immobilized on both titanium(IV)- and alkylthiol-functionalized SBA-15 type ordered mesoporous silicate supports were developed. The bi-functionalized support could be synthesized by a one-pot method. To the supports, was reaction of alkylthiol groups with AuCl4−, following reduction NaBH4. amount formed structures electronic property species depended loading al...
Ninety-eight undergraduate students were subjected to the TMT as well as a series of derived measures from the TMT with a view to ascertaining the nature of the contribution of each to the performance. Performance on the TMT(A) was uniquely contributed to by visual search and motor speed measures, whereas the performance on TMT(B) was uniquely contributed to by the visual search and cognitive a...
The mechanisms through which thiol oxidation and cellular redox influence the regulation of soluble guanylate cyclase (sGC) are poorly understood. This study investigated whether promoting thiol oxidation via inhibition of NADPH generation by the pentose phosphate pathway (PPP) with 1 mM 6-aminonicotinamide (6-AN) or the thiol oxidant diamide (1 mM) alters sGC activity and cGMP-associated relax...
Reactive oxygen species (ROS) produced by the mitochondrial respiratory chain can be a redox signal, but whether they affect mitochondrial function is unclear. Here we show that low levels of ROS from the respiratory chain under physiological conditions reversibly modify the thiol redox state of mitochondrial proteins involved in fatty acid and carbohydrate metabolism. As these thiol modificati...
1. Albumin is often administered intravenously to critically ill patients as a volume expander, to combat hypoalbuminaemia, and to decrease hyperbilirubinaemia. There is, however, an ongoing debate concerning the therapeutic benefit of the former which is an expensive form of treatment.2. Albumin has several biological functions, in particular as a ligand binder. It also acts as an extracellula...
In this work the influence of selenite on metal resistance in Escherichia coli was examined. Both synergistic and antagonistic resistance and toxicities were found upon co exposure with selenite. In wild type cells co-exposure to selenite had little effect on arsenic resistance, decreased resistance to cadmium and mercury but led to a dramatically increased resistance to tellurite of 32-fold. D...
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