نتایج جستجو برای: nitrophenyl
تعداد نتایج: 3814 فیلتر نتایج به سال:
The antimycotic activity of 16 o-nitrophenylhydrazones against strains of Hansenula anomala, Saccharomyces cerevisiae, Candida parapsylosis, and Cryptococcus albidus was tested. All 16 compounds inhibited growth of the yeast strains. The inhibitory activity of the 4 methyl-derivatives substituted on the aromatic nucleus was particularly significant.
A colorimetric method was established to determine the activity of recombinant lipase in extracts from transgenic corn seed. The system was an oil-in-water emulsion that was stabilized by a surfactant to accommodate the organic phase substrate and aqueous phase enzyme. The lipase activity was measured by monitoring the release of nitrophenol at 346 nm from the substrate, 4-nitrophenyl butyrate....
As recently reported, the behavior of acetyl chymotrypsin with ethanol consists in a rapid transfer of the single acetyl group to that alcohol with the formation of ethyl acetate (1). Thus, the splitting of nitrophenyl acetates by chymotrypsin, faster in ethanolic than in aqueous solutions, may be explained by the formation of acetyl chymotrypsin as an intermediate and its subsequent preferenti...
4(4-Nitrophenyl-zao)-2-(2-Methoxy phenimino)-phenol and its coordination compounds with Ni(II), Cu(II), Co(II) and Fe(III) have been synthesized and characterized by elemental analyses, FT-IR, Far-IR, Near IR, UV-Vis, mass spectrometry and molar conductivity and their electrochemical behaviours are reported.
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