Objective To compare between rapid detection method of enzyme substrate technique and multiple-tube fermentation technique in water coliform bacteria detection.
目的比较酶底物法与多管发酵法用于水中大肠菌群的检测方法的优劣和结果的一致性。
Different substrate and concentration from Portunus trituberculatus will affect digestive enzyme activity.
不同的三疣梭子蟹的底物和浓度会影响消化酶活力。
The catalytic center of an enzyme is composed of a set of amino acids whose three-dimensional arrangement forms the "active-site" that allows them to efficiently bind and modify the substrate.
酶的催化中心是由一组氨基酸组成，其三维结构形成活性位点，允许它高效地结合或修饰底物。
When the product accumulates beyond an optimal amount it binds to a site (ALLOSTERIC site) on the enzyme, changing the shape so that it can no longer react with its substrate.
当产物积累超出最佳数量时，它将与酶的一个氨酰基位点(变构位点)结合改变其形状，使其不能长时间与底物发生作用。
We optimized the concentrations of substrate, NADPH and enzyme, temperature as well as time.
对反应底物、NADPH、酶浓度以及反应最佳温度和时间进行了优化。
In order to find the best conditions of enzymatic hydrolysis, an orthogonal test was adopted to investigate enzyme species, substrate concentration, enzyme concentration and hydrolysis time.
为了研究猪血红蛋白的最佳酶解条件，采用正交试验法研究了酶的种类、底物浓度、酶浓度和水解时间四个因素。
Soil enzyme activity was mostly affected by substrate concentration.
土壤酶活性主要受底物浓度变化的影响。
The studies of the enzymatic hydrolysis process showed that the hydrolysis efficiency was affected by the dosage of substrate and enzyme.
对酶解工艺条件的研究表明：不同底物浓度和酶用量均对酶解效率有一定的影响。
The end product inhibitor has no structural similarity to the substrate of the enzyme it is regulating.
最终产物抑制剂与它调节的酶的底物在结构上无相似之处。
Substrate concentration and enzyme dosage did not make obvious impact on the efficiency of enzymatic hydrolysis.
底物浓度和用酶量对酶解效率没有明显的影响。
The results showed that to feed batch culture can enhance enzyme productivity by 7.0 % with high methoxyl pectin as substrate, and by 2 3.5 % with low methoxyl pectin as substrate.
结果表明：通过分批补料对酶产率有提高，以高酯果胶为底物酶产率提高7.0 % ，以低酯果胶为底物酶产率提高2 3.5 % ；
The metal ion may be the catalytic center of the cofactor, or it may serve to bind the enzyme and substrate together to hold the enzyme in a catalytically active conformation.
金属离子可以是辅助因素的催化中心，也可以帮助形成酶活性所必须的构象。
Two enzymes having the different hydrolytic products with regenerated chitin as substrate that show that the chitinase is an endo enzyme and the papaya lysozyme is an exo enzyme.
比较了虾几丁质酶和木瓜溶菌酶对再生几丁质与溶壁微球菌作底物时的水解速度，证明各有其最适底物。
Armed with the 3-d structure, they then used computer modeling to analyze how the enzyme binds to and ACTS on another molecule, its substrate.
有了三维结构的支持，然后他们就使用电脑模型分析酶是如何结合并作用于其底物的。
Methods Sera and tissues were collected from anaphylactic shock guinea-pigs, and the enzyme activity was tested colormetrically using special substrate, BAPNA.
方法建立豚鼠异种血清过敏性休克模型，采用专性底物对模型鼠的血清，肺，气管类胰蛋白酶活力进行测定。
The Oviductus Ranae was used as substrate and hydrolyzed by papain in the study. The optimum enzyme tohydrolyze the Oviductus Ranae was papain.
本研究以林蛙油为底物，加酶水解，实验确定林蛙油水解最适宜的酶制剂为木瓜蛋白酶。
Enzyme inhibitors alter the activity of an enzyme by decreasing the enzyme's ability to bind substrate, lowering its catalytic turnover, or both.
酶抑制剂改变的一种酶的活性，降低酶的结合能力基板，降低其催化的营业额，或两者。
The invention relates to cross-linked enzyme aggregate for catalyzing reaction of macromolecule substrate and a preparation method thereof.
本发明涉及一种催化大分子底物反应的交联酶聚集体及其制备方法。
As the former three substrates were employed, at high substrate concentration, L-Phe inhibited the enzyme uncompetitively and activated the enzyme at low substrate concentration.
在前三种底物条件下，当高底物浓度时，L-苯丙氨酸表现出反竞争性抑制作用；低底物浓度时，则呈现激活作用。
It was correlated between enzyme activity and heavy metal content in substrate sludge.
酶活性变化与底泥重金属的含量相关性很大。
After a second incubation and washing to remove all the unbound enzyme, a substrate solution is added, which is acted upon by the bound enzyme to produce color.
一会儿之后孵化，洗去移除所有绑定的基体的解酶，补充说，这是通过把作用于酶发生颜色。
Kinetic analysis revealed that the inhibition on chymotrypsin by S-24 enzyme inhibitor is competitive with respect to the substrate.
动力学研究表明s - 24酶抑制剂抑制糜蛋白酶，对底物酪蛋白、血红蛋白的关系均为竟争性抑制。
Extracted tea protein by enzyme is mild reaction condition and substrate specialization.
酶法提取具有反应条件温和和底物特异性好等特点。
The enzyme labelled antibodies are made from purified rabbit antibodies against human CEA and AFP and linked with peroxidase using O-phenylene diamine as a substrate.
用已纯化兔抗人CEA和AFP的抗体分别与辣根过氧化物酶结合制得酶标抗体。
The mutant enzyme showed its activity as 1.3 folds as the original recombinant enzyme with DL-hydantoin as the substrate, whilst as 2.4 times with Dp-hydroxyophenylhydantoin as the substrate.
进化酶催化底物海因水解的活性为亲本重组酶的1.3倍，催化底物对羟基苯海因水解的活性为亲本重组酶的2.4倍。
The effect of substrate and concentration from Portunus trituberculatus on digestive enzyme activity.
不同底物及浓度对三疣梭子蟹消化酶活力的影响。
In this embodiment, the substrate provides a cleavage target for a proteolytic enzyme.
在这个实施方案中，底物为蛋白水解酶提供裂解目标。
Modification of the substrate by an enzyme can then be monitored electrochemically by means of the redox-active group.
随后可以通过氧化还原活性基团电化学监测酶对底物的修饰。
This review emphasizes some important aspects for the control of lipase enantioselectivity: medium engineering, substrate engineering, modification of enzyme and directed evolution.
反应介质工程、底物分子工程、酶分子修饰和定向进化。
This review emphasizes some important aspects for the control of lipase enantioselectivity: medium engineering, substrate engineering, modification of enzyme and directed evolution.
反应介质工程、底物分子工程、酶分子修饰和定向进化。
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