Properties of D-tryptophane molecular imprinting composite membranes and its preparation

YANG Zuoguo; XU Zhenliang; Chen Gui’e; XIE Yizhang

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Properties of D-tryptophane molecular imprinting composite membranes and its preparation

更新时间：2025-12-10

- Properties of D-tryptophane molecular imprinting composite membranes and its preparation
- CIESC Journal Issue 1, (2007)
- 作者机构：
  
  1. 华东理工大学化学工程研究所
  2. 上海应用技术学院化学工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 January 2007，
  
  Published：05 January 2007
- 稿件说明：
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YANG Zuoguo, XU Zhenliang, Chen Gui’e, et al. Properties of D-tryptophane molecular imprinting composite membranes and its preparation[J]. CIESC Journal, 2007, (1).
DOI：

YANG Zuoguo, XU Zhenliang, Chen Gui’e, et al. Properties of D-tryptophane molecular imprinting composite membranes and its preparation[J]. CIESC Journal, 2007, (1). DOI：

摘要

以聚砜（PSF）中空纤维超滤膜为基膜，采用表面紫外光聚合方法制备了D-色氨酸印迹中空纤维复合膜(CMIHFCM)。由SEM分析表明经过表面聚合后的D-色氨酸印迹中空纤维复合膜表面具有层叠交联状复合层，其厚度约3 μm。实验结果表明D-色氨酸印迹中空纤维复合膜对模板分子D-色氨酸具有很好的识别作用，D

L-色氨酸的分离因子（α）最高可以达到5.0，大于非分子印迹复合膜的识别选择性。此外，引发剂的用量对D-色氨酸印迹中空纤维复合膜的识别性能有较大影响；当引发剂的浓度为1.0％，制得的D-色氨酸印迹中空纤维复合膜对D-色氨酸具有较好的识别性能，具有良好的应用前景。

Abstract

Using polysulfone (PSF) hollow fiber membrane as the supporting membrane

chiral (D-tryptophane) molecular imprinted hollow fiber composite membrane (CMIHFCM) was fabricated by the surface photo-polymerization method and the recognition ability of CMIHFCM for D

L-tryptophane was studied.After surface polymerization

the external surface of CMIHFCM had a complex network layer with a thickness of 3 μm on the supporting membrane.The experimental results showed that CMIHFCM had the recognition ability for the template D-tryptophane.The D- tryptophane solution could be condensed more significantly by the molecular imprinted membrane than L-tryptophane

and the separation factor (α) of D- tryptophane (D-Trp) and L-tryptophane (L-Trp) could be 5.0.However

the recognition for D-tryptophane by the non-molecular imprinted membrane was weaker.When the concentration of initiator was 1.0%

CMIHFCM with good recognition ability for D-Trp was obtained.

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