酯酶

The effects of hapten structure on antibodies properties and hapten heterology on ELISA sensitivity were also investigated. The results show that haptens with simple spacer-arm can generate antibodies with desired properties, and hapten heterology can improve ELISA sensitivity significantly.

建立检测硫代磷酸二乙酯类农药的间接竞争酶联免疫分析方法，分析探讨了免疫半抗原结构对抗体特性的影响，并阐述了包被半抗原结构对ELISA灵敏度的影响规律。

It was proposed that patatin is inactively stored in vacuoles as a storage protein.

与一般的贮藏蛋白不同，patatin具有酯酰水解酶(lipid acyl hydrolase，LAH)的活性。

We have been interested in design and synthesis of macrocyclic lanthanide complexes which are capable of catalytically hydrolyzing phosphodiester bonds. Because of their high thermodynamics stability, low kinetics lability, high coordination numbers, and charge density, macrocyclic lanthanide complexes will be suitable as artificial nucleases.

合成设计能促进磷酸酯键水解的金属错合物，一直是我们实验室很感兴趣的研究领域，尤其是以镧系金属离子大环配位子错合物这方面的研究，因其具有高度的热力学稳定、动力学稳定、高配位数及电子密度等特性，使得镧系金属大环错合物非常适合作为人造水解酶。

Objective To investigate the effect and mechanism of homoharringtonine on telomerase activity of human T lymphocyte Jurkat cells.

目的 探讨高三尖杉酯碱对人T淋巴细胞白血病细胞株Jurkat细胞端粒酶活性的影响及其机制。

The results showed that when the catalyst amount was 4 g/L,the molar ratio of L-ascorbic acid to malic acid was 1:3,and the reaction temperature was 55 ℃,the highest L-ascorbyl malate yield of 69.30% could be obtained.

结果表明：添加固定化酶量4g/L，底物配位物质的量比1：3，温度55℃，L-抗坏血酸苹果酸酯的得率最高为69.30%。

A fast and convenient method for the determination of trace residues of organophosphorus and pesticides in pond water was proposed.

用电动流动分析和酶抑制法测定池塘水中有机磷和氨基甲酸酯农药残留折合总量。

The results showed that the optimal parameters of transesterification reaction were: molar ratio of methyl acetate to oil 14:1, 30% enzyme added based on oil weight, temperature 40℃ and reaction time 14 h.

研究结果表明，最佳酯交换条件为：脂肪酶Novozym 435加入量为棉籽油质量的30%，乙酸甲酯和棉籽油的摩尔比14：1，反应温度40℃，反应时间14 h。

This study established a LC-MS/MS method for the determination of squamocin and bullatacin, and calculated their enzyme kinetics in rat microsome.

［目的］建立番荔枝内酯类化合物squamocin和bullatacin的液相色谱串联质谱检测方法，并测定其在大鼠肝微粒体中的酶动力学参数。

Objective To test the effect of dichiorvos and beta-cypermethrin on catalase activity, and analyse their resistance evolution with different insecticide application methods, and to provide evidence for Musca domestica control.

目的 探讨敌敌畏和高效氯氰菊酯杀虫剂在不同抗性选育方式下对家蝇抗药性发展和过氧化氢酶活性变化的作用，为家蝇控制提供参考依据。

Methods: One hundred and twenty-six patients with UAP were randomly divided into two groups. The control group was treated with Xueshuantong injection, and the treatment group was treated with propylgallate. The clinical therapeutic effects were observed and the blood parameters such as C reactive protein, interleukin-6(IL-6) and tumor necrosis factor-α were assayed by rate nephelometry and enzyme linked immunoadsorbent assay.

选择126临床确诊为UAP的患者，随机分为血栓通注射液对照组和注射用棓丙酯治疗组，进行临床疗效观察，并分别采用速率散射比浊法及酶联免疫双抗夹心法检测C反应蛋白、白细胞介素-6(IL-6)及肿瘤坏死因子-α水平，观察其治疗前后的变化情况。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。