VISCOUS PROPERTIES AND MOLECULAR CHARACTERIZATION OF ENZYMATICALLY SIZE-CONTROLLED OLIGODEXTRANS IN AQUEOUS-SOLUTIONS

被引：8

作者：

GASCIOLLI, V

CHOPLIN, L

PAUL, F

MONSAN, P

机构：

[1] UNIV LAVAL,DEPT CHEM ENGN,QUEBEC CITY G1K 7P4,QUEBEC,CANADA

[2] BIOEUROPE,TOULOUSE,FRANCE

来源：

JOURNAL OF BIOTECHNOLOGY | 1991年 / 19卷 / 2-3期

基金：

加拿大自然科学与工程研究理事会;

关键词：

OLIGODEXTRANS; INTRINSIC VISCOSITY; ENZYMATIC HYDROLYSIS;

D O I：

10.1016/0168-1656(91)90058-4

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Oligodextrans obtained from acid hydrolysis and fractionation of native dextran produced by batch cultivation and those obtained by direct in vitro enzymatic synthesis in the presence of acceptor exhibit the same viscous behavior. Enzymatic hydrolysis has shown that branching seems to appear for M(n)Bar higher than 2000 and is closely related to a conformational transition between oligomer state and polymer state.

引用

页码：193 / 202

页数：10

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