以Y型分子筛为载体,分别采用吸附法、吸附-戊二醛交联法、偶联法和偶联-重氮法4种方法对氨基酰化酶i进行固定化。
Acylase I was immobilized on Y-type molecular sieve by using 4 kinds of methods, namely, adsorption, adsorption-crosslink, coupling and coupling-diazotization.
最后,科学家将剩余的氨基进行乙酰化,这保证了复杂粒子不会受到表面电荷影响。
Finally, the remaining amine groups are acetylated to ensure that the complex particles do not bear any surface charges.
对一些物质,如d, L丹酰化氨基酸的拆分有一定的规律,能给出绝对构型信息。
The resolution of some chiral drugs such as d, L-dansyl amino acid has certain rule, and provides information about absolute configuration.
翻译后修饰主要包括氨基酸残基的SUMO化、磷酸化、棕榈化以及乙酰化等。
Post-translational modifications usually occur as chemical modifications at amino acid residues, including SUMOylation, phosphorylation, palmitoylation , acetylation, etc.
本文综述了磺酰化氮取代氨基酸配合物的合成、配位结构方式的研究进展。
The paper summarizes the progress in the studies of synthesis, coordinated modes of the complexes with N-sulfonyl amino acids.
方法以水杨酸为起始原料,通过硝化、酰化、卤化反应,与对乙酰氨基酚相偶联,合成了新的5 -氨基水杨酸衍生物。
Methods By the reactions of nitration, acylation, halogenation, condensation, a new 5-aminosalicylic acid derivative was synthesized from salicylic acid and acetaminophen.
以对氨基水杨酸为原料,经酯化、酰化和烃化反应得乙氧苯酯,总收率为87.4%。
Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.
通过明胶活泼氨基的酰化反应,可以接入憎水性的芳基改变明胶的水溶性;
The amino groups of the gelatin are the amenable sites for modification in aqueous solution. Benzoylation of the gelatin with pathalic anhydride can change the solubility.
综述了高效酰化催化剂4-二甲氨基吡啶(DMAP)的合成方法及应用前景。
This article summarizes the synthetic method of 4-Dimethylaminopyridine (DMAP) and its applying prospect.
通过在位于顾客蛋白结合区该位点制造突变,可模拟乙酰化或者去乙酰化氨基酸。
Mutations were made at this site, which is located in a region where client proteins bind, to mimic either an acetylated or a non-acetylated amino acid.
而二元酸酐酰化反应可改变氨基、羧基的比例,从而降低了明胶的等电点。
The reaction with dicarboxylic acid anhydrides results in an acid addition product, which alters the ratio of free basic to free acidic groups in gelatin, so as to lower the isoelectric point.
以2-苯基-4-喹啉酮为原料,通过磷酰化反应将磷酰氮芥引入到2-苯基-4-喹啉酮中,合成了一种新型的喹啉-4-氨基磷酸酯衍生物。
In this study, phosphoramide mustard was coupled to 2-phenyl-4-quinolone by a facile phosphorylation reaction to yield a novel quinoline-4-phosphoramidate derivative.
以2-苯基-4-喹啉酮为原料,通过磷酰化反应将磷酰氮芥引入到2-苯基-4-喹啉酮中,合成了一种新型的喹啉-4-氨基磷酸酯衍生物。
In this study, phosphoramide mustard was coupled to 2-phenyl-4-quinolone by a facile phosphorylation reaction to yield a novel quinoline-4-phosphoramidate derivative.
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