Novel Affinity Membrane Chromatography Technology: Purification of Pepsin Using Immobilized Reactive Dye Ligands
Novel membranes were prepared through covalently coupling of chitosan (CS) to activate nylon membrane after the reaction of the microporous nylon membrane with formaldehyde. Non-specific adsorption on the CS-coated nylon membrane decreased greatly. Yellow 3G-P/Reactive Red 120 were then covalently immobilized onto composite membrane as dye ligands. These Red 120/Yellow 3G-P-CS-membranes were used in the Pepsin adsorption studies. According to the results, it appears that Yellow 3G-P-CS-nylon membranes could be applied for separation and purification of Pepsin without causing any denaturation, much better than Red 120-CS-nylon membrane.
affinity chromatography pepsin adsorption chitosan-nylon membrane
Tian-Xiang Chen Shu-Bai Li Hua-Li Nie Li-Min Zhu Christopher J Branford-White
College of Chemistry,Chemical Engineering and Biotechnology,Donghua University,Shanghai,P.R.China Institute for Health Research and Policy London Metropolitan University London,UK
国际会议
北京
英文
1-4
2009-06-11(万方平台首次上网日期,不代表论文的发表时间)