Document Detail

Normal Forces between Cellulose Surfaces Measured with Colloidal Probe Microscopy.
MedLine Citation:
PMID:  10985829     Owner:  NLM     Status:  Publisher    
Colloidal probe microscopy was employed to study interactions between cellulose surfaces in aqueous solutions. Hydrodynamic forces must be accounted for in data analysis. Long-range interactions betweeen cellulose surfaces are governed by double-layer forces and, once surfaces contact, by osmotic repulsive forces and viscoelasticity. Increasing the ionic strength decreases surface potentials and increases adhesive forces. Polyelectrolytes cause strong steric repulsion at high surface coverage, where interactions are sensitive to probe velocity. Polymer bridging occurs at low coverage. The conformation of adsorbed polyelectrolytes depends on the polymer concentration. Copyright 2000 Academic Press.
Zauscher; Klingenberg
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Publication Detail:
Journal Detail:
Title:  Journal of colloid and interface science     Volume:  229     ISSN:  1095-7103     ISO Abbreviation:  J Colloid Interface Sci     Publication Date:  2000 Sep 
Date Detail:
Created Date:  2000-09-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0043125     Medline TA:  J Colloid Interface Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  497-510     Citation Subset:  -    
Department of Chemical Engineering, and Rheology Research Center, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, Wisconsin, 53706
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