分子印迹壳聚糖膜分离手性苯丙氨酸

被引:25
作者
吴洪
赵艳艳
喻应霞
姜忠义
机构
[1] 天津大学化工学院绿色合成与转化教育部重点实验室
关键词
壳聚糖; 分子印迹膜; 手性拆分; D,L-苯丙氨酸;
D O I
10.14133/j.cnki.1008-9357.2007.03.019
中图分类号
TQ028.8 [新型分离法];
学科分类号
摘要
以L-苯丙氨酸(L-Phe)为印迹分子,采用相转化法制备了分子印迹壳聚糖膜。分别采用碱液处理和硫酸交联两种方法对膜进行处理,降低了壳聚糖膜的溶胀度,印迹膜内识别位点的结构得以保持。采用FT-IR和SEM对膜的化学组成和结构形态进行了表征。通过渗透实验考察了分子印迹壳聚糖膜和非印迹空白壳聚糖膜对D,L-苯丙氨酸(D,L-Phe)混合物的手性拆分性能,并与空白膜进行了比较。印迹膜的分离因子达到1.43。
引用
收藏
页码:262 / 266
页数:5
相关论文
共 4 条
[1]   Chitosan beads as molecularly imprinted polymer matrix for selective separation of proteins [J].
Guo, TY ;
Xia, YQ ;
Wang, J ;
Song, MD ;
Zhang, BH .
BIOMATERIALS, 2005, 26 (28) :5737-5745
[2]   Adsorptive separation of hemoglobin by molecularly imprinted chitosan beads [J].
Guo, TY ;
Xia, YQ ;
Hao, GJ ;
Song, MD ;
Zhang, BH .
BIOMATERIALS, 2004, 25 (27) :5905-5912
[3]   Synthesis and characterization of cross-linked chitosan membranes for application as alternative proton exchange membrane materials in fuel cells [J].
Mukoma, P ;
Jooste, BR ;
Vosloo, HCM .
JOURNAL OF POWER SOURCES, 2004, 136 (01) :16-23
[4]  
Glutaraldehyde cross-linked chitosan microspheres as a long acting biodegradable drug delivery vehicle: studies on the in vitro release of mitoxantrone and in vivo degradation of microspheres in rat muscle[J] . S.R. Jameela,A. Jayakrishnan.Biomaterials . 1995 (10)