SIZE OF MONOMERS AND POLYMERS OF BETA-CASEIN

被引：27

作者：

BUCHHEIM, W ^{[1
]}

SCHMIDT, DG ^{[1
]}

机构：

[1] NETHERLANDS INST DAIRY RES,EDE,NETHERLANDS

来源：

JOURNAL OF DAIRY RESEARCH | 1979年 / 46卷 / 02期

关键词：

D O I：

10.1017/S0022029900017179

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

The size and number average molecular weight have been determined for -casein monomers and polymers from electron micrographs using the freeze-etching procedure with spray-frozen specimens. For the spherical b-casein monomers we found a mol. wt of 22600 and a diam. about 10 nm, which compared quite well with data obtained from ultracentrifugation, light scattering and viscosity measurements. Polymer sizes were in agreement with molecular weight determinations from ultracentrifugation and light scattering, assuming that the volume and weight of the particles are proportional. © 1979, Proprietors of Journal of Dairy Research. All rights reserved.

引用

页码：277 / &

共 16 条

[1] IMPROVED CRYOFIXATION APPLICABLE TO FREEZE ETCHING [J].