measurement of serum biotinidase activity in hepatic disease and its significance

research on chromogenic peptide in determination of prekallikrein/ kallikrein activity

发色多肽用于前激肽释放酶活性测定的研究

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determination of the serum catalase activity in patients with liver diseases

肝病患者的血清过氧化氢酶活性测定初探

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it was proved that the osazone sulfuric acid development method ( osadm) is a quite ideal dahps activity assay method, according to the osazone's absorption map, the linear relations, detecting limit.

根据糖脎的物质吸收图谱、线性关系、最小检出限等方面都证明糖脎硫酸显色法是一种比较理想的DAHPS的酶活性测定方法，并确定此法为测定酶活性的第三种方法。

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for enzymatic assay, samples were dissolved in distilled water and aliquots of solution were mixed with tmb and h2o2. kinetics of enzymatic reaction was recorded at 700 nm and hrp activity was calculated in respect to the kinetic curve using fresh-prepared hrp as a control. 3.

酶活性测定时，样品用双蒸水溶解，吸取样品溶液，与TMB和H2O2混和后于700nm处测定反应反应进程曲线，以含有等量新配制HRP的反应体系为对照，计算酶的相对活性。

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three detecting methods in yeast proteinase a ( pra) assay including uv absorbance, lowry method and modified bradford method were compared when using casein or hemoglobin as substrates.

其中以蛋白质为底物时的酶活性测定方法方便快捷，但是当酵母蛋白酶A酶活性较低时，产物采用紫外吸收法以及Lowry法的检测灵敏度都比较低。

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the results showed that pa19, pa2 and pk1 strains had high nitrogenase activities.

经固氮酶活性测定，PA19、PA2和PK1菌株具有较强的固氮酶活性。

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the assay of enzyme activity indicates that there was cam dependent ca 2+ atpase activity, but no nad kinase one.

酶活性测定实验表明在蚯蚓CaMBPs中有Ca2＋－ATPase活性，但无NAD激酶活性。

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under drought stress, gene expressions of gus were found in leaves and roots of transgenic plants, gus activity showed that the two promoters had a stronger expression of activity after drought stress-induced.

在干旱胁迫处理条件下，在转基因植株的叶片和根部都发现GUS基因的表达，从GUS酶活性测定结果表明启动子都具有较强的表达活性，在干旱胁迫诱导后表达活性得到提高。

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to study the protective effect of vitamin e ( ve) on hyperphosphorylation of cytoskeleton tau in neurons induced by calyculin a ( ca) and the mechanism, ve or ve plus ca was administered to the cultured slices.

通过免疫印迹，酶活性测定等方法在脑片水平研究维生素E（VE）对花萼海绵诱癌素（CA）诱导的骨架蛋白tau过度磷酸化的保护作用及机制。

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conclusions: 1. we established the fluorescence substrate assays for measuring the six common mps enzymatic activity in leukocytes, with good stability, specificity and suitable for clinical application. 2.

结论1.建立了以底物荧光法为主的外周血白细胞六种常见MPS酶活性测定方法，具有良好的稳定性、特异性和敏感性，操作相对简单、快速，适合临床推广应用。

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the result showed that the expression of nirs was repressed by oxygen, and denitrification activity under anaerobic conditions was higher.

β-半乳糖苷酶活性测定结果表明：nirS的表达受氧的抑制，在厌氧条件下的表达活性明显高于好氧条件。

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The effect of cystine on the activity of polyphenol oxidase from Nicotina Tobacco has been studied by using enzymatic activity assay and UV-VIS spectroscopy.

通过酶活性测定和紫外-可见光谱研究了胱氨酸对烟草多酚氧化酶（简称PPO）活性的影响。

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myrosinase activity was detected in all the tested organs except for pulp, which is consistent with the result of rt-pcr.

酶活性测定表明，除了果肉外的其它器官中都有芥子酶活性，这与RT-PCR的结果是一致的。

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prep of cysticercus cellulosae cyst fluid antigen and optimization of elisa detection of glutathione s-transferase in cysticercus cellulosae

猪囊尾蚴囊液抗原制备及ELISA检测条件的优化猪带绦虫囊尾蚴囊液谷胱甘肽S转换酶活性测定

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as a kind of highly efficient chemiluminescence reagent, acridine esters are commonly used in clinical immunoassays and biological activity determination of enzymes.

吖啶酯作为一种高效的化学发光试剂，在临床免疫分析，DNA分析，生物酶活性测定等方面有着广泛的应用。

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assaying uracil-dna glycosylase using molecular beacon

基于分子信标的尿嘧啶DNA糖苷酶活性测定

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the bioassay with an enzyme inhibitor, determination of enzyme activity in vitro and analysis of esterase isozymes revealed that the resistance of the peanut aphid to methomyl was related to hydrolytic metabolism, and the resistance to deltamethrin related to hydrolytic and oxidative metabolism.

经酶抑制剂生测、离体酶活性测定及同工酶谱分析，花生蚜对灭多威的抗性与水解代谢有关，对溴氰菊酯的抗性与水解和氧化代谢有关。

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in order to establish a molecular model based on rmlc enzyme assay to screen inhibitors of rmlc, a large amount of rmlc protein must be acquired.

为了建立体外筛选RmlC酶抑制剂的分子模型，我们需要获得高纯度的RmlC酶蛋白，并为建立快速、精确的酶活性测定方法和研究酶促反应动力学特性提供物质保障。

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we could make a more accurate evaluation of the varietal resistance relying mainly on the number of diseased spikelets while taking the number of diseased internodes on the rachis as an auxiliary index.

以病小穗数作为主要的抗病性鉴定指标，再参考穗轴病节片数，对小麦品种抗病性的评价及育种材料抗病性的鉴定较为准确、实用。

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the necessity of evaluation on the environmental security of transgenic rice plants was addressed. the author gives his personal views about the contents for security evaluation.

阐述了转基因水稻抗病植株环境安全性评价的必要性，对环境安全性评价内容提出了个人观点。

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