Abstract
In this article are presented results from direct measurements of interactions between one polyelectrolyte covered mica surface and one bare mica surface. There is a strong and long ranged attraction between the bare mica surface and the mica surface neutralized by adsorbed polyelectrolyte. The attraction is stronger and more long ranged in this asymmetric system than in a corresponding symmetric system. This attraction is of the same magnitude in strength in both 0.1 m MKBr and 10 m MKBr solution. The results support the findings from Monte Carlo simulations and mean field calculations presented by Sjöström and Åkesson.
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