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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于γ-环糊精和聚N-异丙基丙烯酰胺色谱固定相的制备及应用
DOI: 10.11895/j.issn.0253-3820.141087, PP. 876-880
Keywords: 亲水作用色谱,γ-环糊精,聚N-异丙基丙烯酰胺,极性化合物,富勒烯
Abstract:
以多孔硅胶为载体,通过聚合反应将N-异丙基丙烯酰胺和甲基丙烯酸缩水甘油醚接枝于硅胶表面,并在聚合物链中植入γ-环糊精.用1H核磁共振、元素分析、红外光谱对其结构进行表征,并将此材料用作液相色谱固定相,通过考察在高亲水有机流动相中极性亲水化合物的保留,发现此固定相具有亲水色谱(HILIC)的特征,可以用于核苷类亲水化合物的分离.此外,还可以用于富勒烯碳60(C60)和碳70(C70)的分离,相比于C60,此固定相对C70有更强的保留,表明此固定相表面γ-环糊精对C70具有立体选择性.并且,此固定相具有一定的温敏特性,仅通过改变柱温就可以达到分离的目的.
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