粉煤灰基氧氟沙星分子印迹聚合物的制备及其固相萃取应用研究

发布时间：2018-04-13 10:58

  本文选题：表面印迹 + 粉煤灰微球　； 参考：《化学通报》2017年03期

【摘要】：以工业废料粉煤灰微球为基质,氧氟沙星(OFL)为模板分子,采用表面印迹法制备了分子印迹聚合物(MIP)材料。通过紫外光谱法结合理论分析选择实验条件,并对该印迹材料的结构、吸附行为进行研究。结果表明,该印迹材料对OFL具有良好的特异识别性和优良的亲和性。与以硅胶为载体制备的MIP相比,该材料吸附容量更高且印迹效果更好。将其作为固相萃取填料对鸡产品进行分离富集,与C18柱相比,分离富集效果更好。结合高效液相色谱,对实际样品中OFL进行分析,回收率为82.0%~96.7%,相对标准偏差低于5.5%,可用于鸡产品中OFL分离分析。
[Abstract]:The molecularly imprinted polymer ( MIP ) was prepared by surface blotting with the industrial waste fly ash microspheres as substrate and ofloxacin ( OFL ) as template molecule . Compared with the MIP prepared by silica gel , the adsorption capacity of the material was higher and the imprinting effect was better . Compared with the MIP prepared by silica gel , the separation and enrichment effect was better . The recovery rate was 82.0 % 锝，

本文编号：1744200