The dynamics of polyelectrolytes in static and time-varying electric
fields is studied. Based on computer simulations of the frequency
dependent dielectric response of polyelectrolyte solutions, the
low-frequency relaxation process can be ascribed to a collective
process. Coarse-grained modeling of the electrophoretic mobility of
DNA in NaCl solution yields good agreement with experiment. The
analytically calculated electrostatic screening of hydrodynamic
interactions explains the salt-concentration dependent mobility
anomaly of the counterions. The influence of the local charge
architecture of a polyelectrolyte chain on the electrophoretic
mobility is investigated using a generic polyelectrolyte model.
«
The dynamics of polyelectrolytes in static and time-varying electric
fields is studied. Based on computer simulations of the frequency
dependent dielectric response of polyelectrolyte solutions, the
low-frequency relaxation process can be ascribed to a collective
process. Coarse-grained modeling of the electrophoretic mobility of
DNA in NaCl solution yields good agreement with experiment. The
analytically calculated electrostatic screening of hydrodynamic
interactions explains the salt-c...
»