蛋白质等电点

采用RAPD技术和等电聚焦电泳方法，对福建棘隙吸虫福建株和广东株虫体进行基因组DNA多态性分析和蛋白质等电点测定。

By using RAPD technique and isoelectric focusing electrophoresis method , genomic DNA and protein from Guangdong strain and Fujian strain of Echinochasmus fujianensis were analysed respectively .

20种蛇毒膜毒素同源蛋白质等电点的理论确定

Theoretical Determination of pI Values of 20 Kinds of Membrane Toxins

同源蛋白质等电点的预测

Prediction for the isoelectric point s ( pl ) of homologous proteins

营养酸模蛋白质等电点测定

Determination of Nutritious Rumex Proteins Isoelectric Point

一种计算蛋白质等电点和中性离子最大分布系数的简便方法

A Simple Method for Calculating the Isoelectric Point of Protein and the Maximum Distribution Coefficient of Its Neutral Ion

由此建立了蛋白质等电点测定的共振瑞利散射法，方法简单、灵敏度高、免探针以及适用面广。

So , it established a new RRS method for the determination of isoelectric point of protein and the method has the advantages of easy operation , high sensitivity , without a probe and wide range of applications .

并测定了葡萄籽蛋白质的等电点（PI）为3.8。

The PI of the protein is 3 . 8 .

测定了葡萄籽蛋白质的等电点并分别研究了盐溶法和碱溶法提取葡萄籽蛋白质的工艺条件。

Using salt solution and alkali solution for extraction of protein from grape seed were studied .

蛋白质在等电点附近溶解性较差，因此以其作为载体材料时应用范围受到一定程度的限制。

However the solubility of protein is very poor at PI . In this case , the application of pretein as delivery systerm has been restricted to some extent .

结果表明配基密度、pH值、盐浓度和蛋白质特性（等电点和疏水性）对内毒素去除效果均有重要影响。

The results indicated that the ligand density , pH value , salt concentration and protein property all have remarkable effects on endotoxin removal .

在前期研究中，我们在国内外领先进行了慢性鼻窦炎、鼻息肉和正常鼻粘膜组织的PH3-10差异蛋白质组研究，发现大多数蛋白质的等电点（PI）在PH4～8的范围。

In 2004 we had initially performed PH3-10 gradient 2-DE of chronic sinusitis , nasal polyps and normal nasal mucosa tissue , and found isoelectric point ( PI ) of most proteins is between PH 4-8 .

2DE（二维聚丙烯酰胺凝胶电泳）技术是蛋白质组学研究中的主要分离技术，其分别以蛋白质的等电点和分子质量这两个独立的参数为基础，实现蛋白质混合物的分离。

Two-dimensional polyacrylamide gel electrophoresis is the key separation technique in proteomics research , which is designed by protein character : molecular weight and PI .

演绎的文昌鱼AGAT蛋白质由426个氨基酸组成，理论分子量为49.3654kDa，蛋白质的等电点为6.65。

The predicted protein of the amphioxus AGAT is 426 amino acids in length , with theoretical molecular weight of 49.3654 kDa and isoelectric point of 6.65 .