He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:CA/PEI螯合铜亲和膜吸附胆红素的初探

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Date of Publication:2005-12-01

Page Number:6

Key Words:金属螯合亲和膜;胆红素;膜吸附剂

Abstract:以二醋酸纤维素酯(CA)/聚乙烯基亚胺(PEI)共混微孔滤膜为基础制备CA/PEI螯合铜亲和膜,继续利用铜的螯合作用吸附胆红素。实验从静态、动态两方面考察螯合铜亲和膜吸附胆红素的效果。静态吸附白蛋白溶液中胆红素效果较明显,在胆红素溶液浓度为0.29mg/ml时,平衡吸附量达到61mg/g膜。实验用Oxford Instruments X-ray Microanalysis 1350能谱仪分析螯合膜吸附胆红素后表面与截面元素组成,以测定在吸附过程中铜离子的泄漏问题。能谱显示膜表面和截面都含有铜元素,截面线性扫描说明铜离子没有泄漏。

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