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Title of Paper:胆红素吸附剂功能基组成及其吸附特性研究

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Date of Publication:2011-12-20

Journal:离子交换与吸附

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:27

Issue:6

Page Number:511-520

ISSN No.:1001-5493

Key Words:胆红素;正丁胺;琼脂糖凝胶;吸附

Abstract:为了获得性能较佳的胆红素吸附剂,本研究考察了功能基种类、链长、偶联密度等因素对吸附剂吸附性能的影响.结果表明,当功能基具有足够的链长,与胆红素相似的疏水性及较高的偶联密度时,能够提高吸附剂的胆红素吸附能力.实验表明,链长21个原子、偶联73μmol/mL正丁胺的吸附剂对胆红素的吸附能力最强,在30℃、300mg/L的白蛋白结合胆红素溶液中,吸附1h即达到平衡,胆红素吸附量达到3.01 mg/mL (90.3mg/g干重);较高的温度有利于其对胆红素的吸附.50mL材料对500mL实际病人血浆动态吸附2.5h,总胆红素(277.4mg/L)去除率达到55.2%,同时对血浆蛋白的吸附较低.所有结果显示该吸附剂具有很强的实际应用的潜力.

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