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CPP: Chemische Physik und Polymerphysik

CPP 30: POSTER: Chemical physics

CPP 30.30: Poster

Tuesday, March 8, 2005, 16:30–18:30, Poster TU D

Counterion condensation and effective charge of polyelectrolytes — •Ulrich Scheler and Ute Böhme — Leibniz Institute for Polymer Research Dresden, Hohe Str. 6, D-01069 Dresden

Electrostatic and hydrophobic interactions dominate the interaction of proteins with other molecules and surfaces. Electrophoresis NMR is applied to investigate the effective charge of polyeletrolytes, proteins and complexes. The charge is derived from the hydrodynamic friction determined in the diffusion experiment and the electrophoretic mobility free of any model. In water only 10-20

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