Cu 2+ chelating membrane medium based on iminodiacetate substituted modified short cotton cellulose was examined to purify bovine liver catalase (BLC) by affinity chromatography.

• 首次采用以改性纤维素为基质、亚氨二乙酸（IDA）为取代配基的铜离子螯合膜色谱法对牛肝过氧化氢酶（BLC）的分离纯化进行了研究。