生物催化的还原反应能使分子内的羰基或碳-碳双键立体选择性的还原，将潜手性底物转化为手性产物，在不对称合成中有着重要的作用。
Biocatalytic reduction of the carbonyl groups or the carbon-carbon double bonds of the compounds has been utilized as a method for transforming the prochiral substrate into chiral product.
对丁酸钠转化前后的人红白血病细胞林k- 562的表面胰岛素受体数量、胰岛素受体酪氨酸蛋白激酶活性及细胞内源性底物进行了研究。
In this paper, the quantity of insulin receptors and the receptor tyrosine kinase activity and its endogenous substrates were comparatively studied in K-562 cells before and after transformation.
研究了不同浓度乙醇对土壤转化酶活性的影响以及不同底物(蔗糖)浓度对乙醇与转化酶活性关系的影响。
Effect of ethanol concentration on the soil invertase activity and effect of different substrate (saccharose) concentrations on the relationship between invertase activity and ethanol were studied.
该匀相比色检测法是基于一种淡黄色底物四唑盐MTT可转化生成甲臜，甲臜是一种紫色显色剂。
This homogeneous colorimetric assay is based on the conversion of a tetrazolium salt MTT, a pale yellow substrate, to formazan, a purple dye.
以底物异丁香酚为唯一碳源从土壤中筛选获得了一株能高效转化异丁香酚生成香草醛的芽孢杆菌。
Using isoeugenol as the sole carbon source, a novel strain, producing high amounts of vanillin from isoeugenol, was isolated from soil.
序列分析和突变研究表明，这些去卤化酶相对那些可转化非卤化底物的酶是同源的。
Sequence analysis and mutagenesis studies indicate that several dehalogenases are homologous to enzymes that carry out transformations on non...
实验结果同时表明：苯甲酸并不是理想的脂肪酶底物，但过量的L -抗坏血酸可以提高它的转化率。
Experimental results also demonstrated that benzoic acid was not an ideal substrate of lipase, which led to low conversion rates, but its limitation could be overcome by excess L-ascorbic acid.
传统生物转化反应在水相中进行，而甾体在水介质中溶解度极低，经常受到可利用底物的限制。
While the steroid in a very low solubility in aqueous media, traditional biological conversion reaction carried out in the water phase are often restricted on available substrates.
海藻糖是一种新型多功能食品添加剂。目前其主要生产方法是以淀粉为底物进行酶法转化。
Trehalose, a novel multifunctional food additive, is at present mainly produced from starch by enzymatic conversion method.
目的建立血管紧张素转化酶(ace)底物的合成方法，探讨血清ace活性的测定方法。
Objective To establish the synthetic method of the substrate for angiotensin-converting enzyme (ACE), and investigate the assay method of serum ACE.
结果表明：绿色木霉、米曲霉、黑曲霉、黑根霉、桔青霉以及辣椒炭疽菌能转化底物龙胆苦苷。
The results showed that Trichoderma viride, Aspergillus oryzae, Aspergillus niger, Rhisopus nigricans, Penicillium citrinum and Gloeosprium piperatum had the ability of transforming gentiopicroside.
本发明提供了一种利用菌糠获取可转化底物的方法，包括稀碱预处理和纤维素酶糖化两个步骤。
The invention provides a method for obtaining a transformable substrate by using fungi leftovers, which comprises two steps of diluted alkaline pretreatment and cellulase saccharification.
以醛为底物，通过四丁基三溴化铵(TBATB)氧化原位生成的亚胺转化为氰基化产物。
Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).
以醛为底物，通过四丁基三溴化铵(TBATB)氧化原位生成的亚胺转化为氰基化产物。
Nitriles were obtained from aldehydes through oxidation of in situ formed the corresponding aldimines using tetrabutylammonium tribromide (TBATB).
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