Effects of molecular entanglements during electrospray of high molecular weight polymers

被引：28

作者：

Festag, R

Alexandratos, SD

Joy, DC

Wunderlich, B

Annis, B

Cook, KD ^{[1
]}

机构：

[1] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA

[2] Univ Tennessee, Dept Biochem & Cellular & Mol Biol, Knoxville, TN 37996 USA

[3] Oak Ridge Natl Lab, High Temp Mat Lab, Oak Ridge, TN 37831 USA

[4] Oak Ridge Natl Lab, Div Chem & Analyt Sci, Oak Ridge, TN 37831 USA

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 1998年 / 9卷 / 04期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1016/S1044-0305(98)00004-X

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Concentration-dependent bimodal size distributions (comprised of single-molecule particles and multimolecule clusters) observed by microscopic examination of particles collected during electrospray (ES) of dilute solutions of high molecular weight polymers suggest that chain entanglement can interfere with the droplet subdivisions believed to be intrinsic to the electrospray process. The feasibility of such interference is discussed in the context of the spray model of Kebarle, along with its potential impact on the ES mass spectrometry of macromolecules. (C) 1998 American Society for Mass Spectrometry.

引用

页码：299 / 304

页数：6

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