PREPARATION AND RECOGNITION OF NARINGIN MOLECULARLY IMPRINTED MEMBRANES IN AQUEOUS MEDIA

MA Xiuling; CHEN Riyao; ZHENG Xi; CHEN Liqin; CHEN Zhen

doi:10.3724/SP.J.1105.2010.09126

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PREPARATION AND RECOGNITION OF NARINGIN MOLECULARLY IMPRINTED MEMBRANES IN AQUEOUS MEDIA

Research Article | 更新时间：2021-03-19

- PREPARATION AND RECOGNITION OF NARINGIN MOLECULARLY IMPRINTED MEMBRANES IN AQUEOUS MEDIA
- Acta Polymerica Sinica Issue 4, Pages: 416-422(2010)
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- DOI：10.3724/SP.J.1105.2010.09126
  CLC：
- Published：20 April 2010，
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MA Xiuling, CHEN Riyao, ZHENG Xi, CHEN Liqin, CHEN Zhen. PREPARATION AND RECOGNITION OF NARINGIN MOLECULARLY IMPRINTED MEMBRANES IN AQUEOUS MEDIA. [J]. Acta Polymerica Sinica (4):416-422(2010)
DOI：

MA Xiuling, CHEN Riyao, ZHENG Xi, CHEN Liqin, CHEN Zhen. PREPARATION AND RECOGNITION OF NARINGIN MOLECULARLY IMPRINTED MEMBRANES IN AQUEOUS MEDIA. [J]. Acta Polymerica Sinica (4):416-422(2010) DOI： 10.3724/SP.J.1105.2010.09126.

摘要

以柚皮苷为印迹分子，PEG为致孔剂，在水相中制备了柚皮苷分子印迹壳聚糖膜.分别讨论了交联剂、致孔剂和印迹分子的用量对印迹膜结构和性能的影响.用SEM观察了致孔剂对印迹膜形貌及孔径的影响.紫外吸收光谱分析、柚皮苷在不同体系中的溶解度变化，以及红外光谱分析的结果表明功能聚合物壳聚糖和模板分子柚皮苷间形成了氢键.膜的渗透实验结果表明，在水相中，柚皮苷分子印迹膜能有效地从新橙皮苷和柚皮苷的混合液中分离出印迹分子柚皮苷，选择透过率为11.16%.

Abstract

The main objective of this work is the preparation and recognition of naringin(NG) molecularly imprinted membranes in aqueous media.The chatosan(CS) -NG molecularly imprinted membrane (MIM) was prepared in aqueous phase using CS as a functional polymer

NG as an imprinting molecule

polyethylene glycol(PEG) as a porogen.The CS-NG MIM was used to separate NG from neohesperidin in aqueous media.The effects of linkage reagent

porogen and imprinting molecule on membrane structure and properties were discussed.The MIM morphologies before and after modification of the porogen were observed by SEM.The imprinted membrane showed a good performance when sulfuric acid was used as the cross-linking agent and the mass ratio of CS and NG was 15∶1. The measurments of UV-Vis

FTIR and solubilities of naringin in acetic acid (HAc)-H2O and CS-HAc-H2O confirmed the formation of hydrogen bonds between bulk polymer CS and template molecule NG.The permeation rate of NG was 11.16%.

关键词

壳聚糖柚皮苷水相识别分子印迹膜

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