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一种改良的蛋白质电泳考马斯亮蓝G-250染色方法

张瑶 刘芳 张页

基础医学与临床2012,Vol.32Issue(8):953-955,3.
基础医学与临床2012,Vol.32Issue(8):953-955,3.

一种改良的蛋白质电泳考马斯亮蓝G-250染色方法

An improved method for protein staining with CBBG-250 following electrophoresis

张瑶 1刘芳 1张页1

作者信息

  • 1. 北京大学基础医学院细胞生物学系,北京100191
  • 折叠

摘要

Abstract

Objective To establish a simple and less toxic method for protein staining following SDS-PAGE. Methods After electrophoresis, the gel was fixed temporarily, and then stained with the Coomassie Brilliant Blue G-250 (CBBG-250) solution containing aminosulfonic acid. De-staining was not required. Results The sensitivity of this method was higher than that of the classical CBBR-250 staining method. Moreover, toxic solvents such as metha-nol, though commonly used in the staining and de-staining solutions, were eliminated. Conclusions The improved method has a series of advantages including high sensitivity, clear background, dye-saving, direct color development without de-staining, and having a safe and less toxic recipe.

关键词

电泳/聚丙烯酰胺/蛋白质染色/考马斯亮蓝

Key words

electrophoresis/polyacrylamide/protein staining/Coomassie Brilliant Blue

分类

生物科学

引用本文复制引用

张瑶,刘芳,张页..一种改良的蛋白质电泳考马斯亮蓝G-250染色方法[J].基础医学与临床,2012,32(8):953-955,3.

基金项目

国家自然科学基金(31171296) (31171296)

基础医学与临床

OA北大核心CSCDCSTPCD

1001-6325

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