نتایج جستجو برای: nitrophenyl
تعداد نتایج: 3814 فیلتر نتایج به سال:
Introduction. For new synthesized pharmacologically active compounds, already at the stage of standardization, it is necessary to develop methods for determining their quality indicators, normalized by a pharmacopoeial article pharmaceutical substances. One these indicators residual organic solvents, analysis which chromatographic are suitable, example, gas-liquid chromatography. Aim. To condit...
Rapid biochemical tests for nitrate, indole, gelatin, starch, esculin, and o-nitrophenyl-beta-D-galactopyranoside were performed on 112 strains of anaerobic bacteria. All tests were incubated under aerobic conditions, and results were recorded within 4 h. The tests for nitrate, indole, and starch showed a 95% or greater correlation when compared to the standard biochemical tests. Tests for escu...
Benzofurazane has been attached to nucleosides and dNTPs, either directly or through an acetylene linker, as a new redox label for electrochemical analysis of nucleotide sequences. Primer extension incorporation of the benzofurazane-modified dNTPs by polymerases has been developed for the construction of labeled oligonucleotide probes. In combination with nitrophenyl and aminophenyl labels, we ...
A method for preparation of the p-nitrophenyl-, N-hydroxysuccinimidyland pentafluorophenyl esters of isonicotinic and picolinic acids from the corresponding acids is reported.
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