Long-range attraction in aqueous colloidal suspensions

被引：0
|
作者：
Zhao, Qing [1 ]
Coult, Jason [1 ]
Pollack, Gerald H. [1 ]
机构：
[1] Univ Washington, Dept Bioengn, Seattle, WA 98195 USA
来源：
LASER APPLICATIONS IN LIFE SCIENCES | 2010年 / 7376卷
关键词：
Long-range attraction; colloidal particles; aqueous suspensions; COUNTERION-MEDIATED ATTRACTION; HIGHLY-CHARGED PLATES; ELECTROSTATIC INTERACTION; VOID STRUCTURE; ELECTROLYTE; CRYSTALS; SURFACES; FORCES;
D O I：
10.1117/12.871676
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
Long-range attractions in aqueous suspensions were observed between polymeric microspheres and also between microspheres and a gel bead. Attractive displacements were consistently seen even between like-charged entities, and they were observed over spans as large as 2 mm. Such behaviors are unexpected, and may reside in a long-range attraction mechanism.
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页数：13
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