OALib Journal期刊
ISSN: 2333-9721
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磁性分子印迹聚合物微球的制备及吸附特性研究
DOI: 10.3724/SP.J.1105.2011.10085, PP. 120-124
Keywords: Fe3O4磁性纳米微球,分子印迹聚合物,吸附特性
Abstract:
通过分子印迹技术,以磺胺(SNM)为模板分子,甲基丙烯酸(MAA)为功能单体,利用Fe3O4磁性纳米微球制备具有特异性识别磺胺的磁性分子印迹聚合物.通过紫外分光光度法对磁性印迹聚合物的吸附性能进行研究,并对吸附特性进行了探讨.利用等温吸附数据进行Scatchard分析,从而推断出印迹聚合物的最大吸附量Qmax为280.99μmol/g,平衡离解常数KD为1.58×10-3mol/L,分析印迹聚合物的结合机理和动态吸附特征.结果表明制备的磺胺磁性分子印迹微球对模板分子存在较高的吸附特异性.
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