On line coupling of capillary isoelectric focusing (CIEF) to electrospray ionization mass spectrometry (ESI MS) as a two dimensional separation/analysis system was employed for high resolution analysis of the protein isoforms observed during CIEF process.

• 在线的毛细管等电聚焦 电喷雾质谱联用 ,作为一种二维的分离系统 ,对毛细管等电聚焦过程中形成的蛋白质亚型进行了分析。