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《Journal of Chemical Industry and Engineering(China)》 2007-01
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Mechanism and model of chiral separation of tryptophan by ultrafiltration using BSA(Ⅰ)

CHEN Yang,L Yangcheng,QI Xuan,LUO Guangsheng(State Key Laboratory of Chemical Engineering,Tsinghua University,Beijing 100084,China)  
Chiral separation of tryptophan(Trp) by ultrafiltration using bovine serum albumin(BSA) as the selector realized good separation result.The influence of pH value,temperature,initial concentration of tryptophan and BSA as well as the pressure difference of ultrafiltration on the chiral separation process was examined systematically in the present work.The experimental results showed that the influence of pH and temperature on the process was significant.The mechanism of chiral separation was analyzed qualitatively and the influence of pH and temperature was discussed in view of the conformation of BSA and electric charge of tryptophan in the solution,because pH value and temperature played critical roles in the conformation of BSA and electric charge of tryptophan.
【Fund】: 国家自然科学基金项目(20525622 20676066)~~
【CateGory Index】: Q517
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1 YANG Qian-jiao,LIU Dan,QU Lei,WU Zu-ti,ZHAO Lin-xiang (Department of Medicinal Chemistry,School of Pharmaceutical Engineering,Shenyang Pharmaceutical University,Shenyang 110016,China);Application progress of novel optical resolution technologies in the chiral drugs[J];Chinese Journal of Medicinal Chemistry;2009-06
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