نتایج جستجو برای: 4 chloro 7 nitrobenzofurazan
تعداد نتایج: 1703006 فیلتر نتایج به سال:
Synthesis and characterization of seven ruthenium (II) and ruthenium (III) chloro sulphoxide complexes with 1, 2, 3-benzotriazole are reported. Three different formulations exist: [cis, fac-RuCl2(so)3(btz)]; [trans-RuCl2(so)3(btz)] and [trans-RuCl4(so)(btz)]-[X]+; where so=dimethylsulphoxide/ tetramethylenesulphoxide; btz = 1, 2, 3-benzotriazole and [X]+ = [(btz)H]+ or Na+. These complexes were...
Protein sulfenic acids are reactive, reversibly oxidized cysteinyl residues with roles in redox catalysis and regulation. Detection and quantification of these species in proteins is accomplished through chemical modification by reagents such as 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole (NBD chloride), 2-nitro-5-thiobenzoate (TNB), dimedone, or derivatives of dimedone, followed by UV-visible spec...
Carbon-based metal-free catalyst has attracted more and more attention. It is a big challenge to improve catalytic activity of metal-free catalyst for decomposition of H2O2 to produce hydroxyl radical (HO•). Here, we report chloro-benquinone (TCBQ) modified on graphene oxide (GO) as metal-free catalyst for strong promotion of HO•. By the incorporation of GO, the HO• production by H2O2 and TCBQ ...
The addition o f 7-chloro-4-nitrobenzofurazan to isolated and activated CF, creates a com pletely changed binding stoichiometry and subunit-distribution o f bound modifier in contrast to the binding pattern in not-activated CF,. The activation o f CF, by dithiothreitol and heat results in the accessibility o f three additional tyrosines in ß-subunits and one additional tyro sine in a-subunits...
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