ON THE PHYSICOCHEMICAL PROPERTIES OF GELLAN GUM

被引：168
|
作者：
MILAS, M
SHI, X
RINAUDO, M
机构：
[1] Centre de Recherches sur les Macromolécules Végétales, C.N.R.S. BP 53 X, Grenoble
来源：
BIOPOLYMERS | 1990年 / 30卷 / 3-4期
关键词：
D O I：
10.1002/bip.360300322
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
This paper concerns the behavior in dilute and semidilute solutions of deacetylated gellan. The conformational transition, controlled by temperature and ionic strength, is investigated. It corresponds to a double‐helix single‐chain transition. Large ionic selectivity is observed in the helical conformation that controls the degree of aggregation upon gelation. Potentiometry and conductivity measurements are interpreted in terms of the Manning poly‐electrolyte theory in the sol state. Copyright © 1990 John Wiley & Sons, Inc.
引用
收藏
页码：451 / 464
页数：14
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