查询词典 pela

The structure gene pelA from Thermotoga maritima MSB8 encoding pectate lyase was amplified and ligated into pHsh, resulting pHsh-pelA. Through structural optimization on pHsh-pelA, the ultimate plasmid, pHsh-pelC, which possessed the most appropriate structure and free energy of mRNA, was obtained.

将来源于极端嗜热菌属海栖热袍杆菌Thermotoga maritima MSB8的编码碱性果胶裂解酶的结构基因pelA与新型热激质粒pHsh连接，得到重组质粒pHsh-pelA，运用mRNA二级结构预测软件对pHsh-pelA的翻译起始区的二级结构进行优化，得到了具有最佳mRNA二级结构及自由能的质粒pHsh-pelC。

The sensitivity and specificity of PELA in diagnoses of rat and human trichinosis were studied by Western blot while the antigens of the encysted larvae were used as controla.

应用免疫印迹对比分析PELA和成囊幼虫抗原的组分和它们对人及大鼠旋毛虫病诊断的敏感性和特异性。

6 Days after plate culture, the cell number and cell viability of PLGA microspheres was much better than that of PELA microspheres and free bFGF.

4培养1天后，四组细胞计数、活力均无明显差异，4、6天PLGA组细胞计数和活力优于PELA组和游离bFGF组。

Study on the Expression of a pelA in E.

篇名 碱性果胶裂解酶基因pelA在E。

The results indicated that PELA with 10％ content and Mw=6000 of PEG was the most suitable as a carrier for protein delivery systems.

在此基础上，率先考察了酸性、中性和碱性降解介质对PELA蛋白微球体外降解的影响，结果表明PELA是对环境介质pH值较敏感的高分子材料。

As to loading and entrapment efficiency, as well as protein release kinetics, both PLGA and PELA microspheres are superior to gelatin ones significantly.

PLGA微球和PELA微球的药物释放动力学较明胶微球稳定；PLGA微球释出的bFGF生物活性高于PELA微球。

The in vitro release property of PLGA microspheres and PELA microspheres were good, no significant rise or fall. On the contrary, the in vitro release property of Gelatin microspheres were undulated obviously.

PLGA微球的包封率和载药量分别为66.43±1.24、27.18±0.51，PELA微球的载药量和包封率为65.32±1.80、26.73±0.74，均明显优于明胶微球的载药量和包封率，而PLGA微球和PELA微球间的比较无统计学差异。

It was showed that the PELA polymer chain was included inside the molecular tube formed by multiple α-CD molecules, which aligned into close-packed hexagonal crystalline structures.

结果表明：PELA分子链被包结在α-CD分子形成的管道中，α-CD分子管道并排紧密排列，形成六方晶系的晶体。

Results:(1) all of three materials of PLGA, PELA and gelatin microspheres have complete, smooth, and round shape. No significant differences exist in particle size distribution and duration of sustained release of bioactive bFGF.

结果：（1）PLGA、PELA、明胶三种不同载体材料制备的bFGF缓释微球外形光滑圆整，无粘连现象，均匀度好；三种缓释微球的粒径分布无显著性差异；在载药量和包封率两项指标上，PLGA微球和PELA微球均优于明胶微球；三种微球均能在至少11天内持续释出bFGF。

Methods:(1) bFGF was loaded with PLGA, PELA and gelatin microspheres. The pharmac characteristics of particle size distribution, loading efficiency, entrapment efficiency, bFGF release kinetics were evaluated with scanning electronic microscope, MTT and ELISA respectively. The prescription with the best pharmac characteristics and the highest bioactivity of bFGF was chosen for the next step.

（1）制备PLGA，PELA和明胶微球，通过扫描电镜和激光粒度分布仪测定其粒径分布；ELISA法测定微球溶出度，包封率，bFGF释出动力学；MTT法测定微球释出的bFGF的生物活性，筛选出一种具有较好药剂学性质和较高bFGF生物活性的微球载体材料。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。