Croatica Chemica Acta, Vol. 53 No. 2, 1980.
Conference paper
On Some Peculiarities in the Adsorption of Natural and Synthetic Macromolecules
J. Lyklema
; Laboratory for Physicai and CoHoid Chemistry of the Agricuiturai University, De Dreijen 6, 6703 BC Wageningen, The Netheriands
Abstract
This paper discusses some conflicting issues in the field of
macromolecular adsorption. First, the adsorption of human serum
albumin (HPA) on polystyrene latices is discussed. For this system
at specified pH values the effect of overall charge is contrary to
expectation in that negative proteins adsorb spontaneously on
negative surfaces and do so in amounts increasing with increasine
electrostatic repulsion. Coadsorption of small cations is one of the
main clues for the solution of this. Polymer adsorption reversibility
is the second poser. For flexible random homopolymers it is shown
that conflicting experimental data are only apparent in that all
discrepancies can be attributed to heterodispersity.
Keywords
Hrčak ID:
194596
URI
Publication date:
5.11.1980.
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