ALANINE CHIRAL DISCRIMINATION BY INTERACTION WITH AMORPHOUS CELLULOSE

被引：8

作者：

ALVIRA, E ^{[1
]}

DELGADO, V ^{[1
]}

PLATA, J ^{[1
]}

GIRARDET, C ^{[1
]}

机构：

[1] UNIV FRANCHE COMTE,DEPT PHYS,F-25030 BESANCON,FRANCE

来源：

CHEMICAL PHYSICS | 1990年 / 143卷 / 03期

关键词：

D O I：

10.1016/0301-0104(90)87019-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Amorphous cellulose formed by a helicoidal arrangement of glucose rings is superchiral: the monomeric basis and the helix conformation are both chiral. The interaction between the two enantiomers of an alanine zwitterion and a cellulose helix pitch is calculated and the energy discrimination is obtained to be about 1% of the total interaction energy. It is shown that chirality is essentially local and that the helix conformation of amorphous cellulose has no direct influence on the chiral discrimination. It has rather indirect local influence by forcing the monomer basis to be twisted by the helicoidal conformation and modifying thus the adsorption sites. © 1990.

引用

页码：395 / 403

页数：9

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