Protein Adsorption Characteristics of a Sulfonic‐Acid‐Group‐Containing Nonwoven Fabric
Protein Adsorption Characteristics of a Sulfonic‐Acid‐Group‐Containing Nonwoven Fabric
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含磺酸基非织造布的蛋白质吸附特性
DOI：
10.1021/bp980060x
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发表时间：
1998
影响因子：
2.9
通讯作者：
T. Sugo
中科院分区：
文献类型：
--
作者：
Min Kim;M. Sasaki;Kyoichi Saito;K. Sugita;T. Sugo
以含环氧基单体甲基丙烯酸缩水甘油酯为单体，通过辐射引发接枝聚合和磺化反应制备了含磺酸基团的非织造布。在pH 6.0的缓冲液中，用溶菌酶平衡含有不同密度SO3H基团的无纺布。溶菌酶的平衡结合容量(EBC)随SO3 H基团密度的增加而线性增加。含SO3H基团的聚合物链由于相互静电斥力从孔表面延伸出来，并在多层膜中保持溶菌酶。当SOH基团密度为1.7mol/kg时，EBC最大为0.7 kg/kg。
A sulfonic acid (SO3H)‐group‐containing nonwoven fabric was prepared by radiation‐induced graft polymerizaton of an epoxy‐group‐containing monomer, glycidyl methacrylate, onto a nonwoven fabric and subsequent sulfonation. The nonwoven fabric containing SO3H groups at different densities was equilibrated with lysozyme in a buffer (pH 6.0). The equilibrium binding capacity (EBC) of lysozyme increased linearly with increasing SO3H group density. The SO3H‐group‐containing polymer chains extended from the pore surface due to mutual electrostatic repulsion and held lysozyme in multilayers. The maximum EBC was 0.7 kg/kg at a SO3H group density of 1.7 mol/kg.