Dynamically controlled membrane

Details Dynamically controlled membrane Dynamically controlled membrane

1989-07-24

1992-02-04

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041823, 2041826, 2041801, 204301, C25B 100, B01D 6142

Patent

active

050857495

ABSTRACT:
This invention pertains to a method of dynamically controlling the transport of a molecule across a polyelectrolyte membrane whereby chemical modulation of the electrostatic swelling forces in the polyelectrolyte membrane results in large changes in permeability and selectivity and a transmembrane electric field having electroosmotic, electrophoretic and electrostatic effects combine to allow the selective transport of the molecule across the membrane.

REFERENCES:
patent: 4161013 (1979-07-01), Grodzinsky et al.
Weiss, A. M. et al., AIChE Symposium Series, Chemically and Electrically controlled membranes (1986).
Kost, J. et al., J. Biomed. Materials Res., 19: 1117-1133 (1985).
Protein Transport Across Electrically Controlled Membranes, Grimshaw et al. (Grimshaw 2).
Dynamic Membranes for protein transport: Chem. & Elec. control Grimshaw et al. (1989).
Grimshaw, P. E. et al., Chem. Eng. Sci, 44(4) 827-840 (1989).
Firestone, B. A. and Siegal, R. A., Polymer Communications, 29: 204-208 (1988).
Grimshaw, P. E., et al., Abstract 155F, AIChE Annual Meeting (1987).
Nussbaum, J. H. and Grodzinsky, A. J., Abstract 172D AIChE Annual Meeting (1987).
Weiss, A. M., et al., AIChE Symposium Series, 82: 88-98 (1986).
Gehrke, S. H., et al., Chem. Eng. Sci., 41(8): 2153-2160 (1986).
Kost, J., et al., J. Biomed. Materials Res., 19: 1117-1133 (1985).
Eisenberg, S. R. and Grodzinsky, A. J., J. Membrane Sci., 19: 173-194 (1984).

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