β Scribed by C.D. Santangelo; A.W.C. Lau
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
## Abstract Cylindrical poly(styrene sulfonate) brushes were combined with a tetravalent doubleβDABCO based counterion. With increasing addition of counterion, hydrodynamic radius and radius of gyration decrease and AFM reveals a conformation change from wormlike to curled structures. __R__~g~/__R_
## Abstract The thermal fluctuation in the concentration of counterions bound to a rodlike polyion was analyzed by expanding the fluctuation in a Fourier series along the rod. The amplitude and the relaxation time of fluctuations of various wave lengths were obtained as functions of the charge dens
## Abstract The conformational characteristics of polyelectrolytes endβgrafted on two apposing walls are studied. The monovalent and multivalent counterions are explicitly treated. It is found that the polyelectrolyte brushes undergo a collapse transition in the presence of multivalent counterions
## Abstract The behavior of a planar polyelectrolyte brush subjected to normal and tangential external forces is considered. A new βpolyelectrolyte effectβ is predicted: shear of a free polyelectrolyte brush leads to a decrease in brush thickness contrary to the case of a free neutral brush. Such b