Polyion sensor with molecular weight differentiation

Details Polyion sensor with molecular weight differentiation Polyion sensor with molecular weight differentiation

1996-04-30

1998-05-26

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

422 8203, G01N 2726

Patent

active

057559392

ABSTRACT:
An ion selective electrode membrane is selective to polyions in a limited molecular weight range. The membrane is formed by a heparin polyion selective polymeric layer and an outer filter layer permeable to polyions of limited molecular weight range. The outer filter may be cellulose acetate while the polyion selective membrane is a polyvinyl chloride containing plasticizer and a quaternary ammonium salt.

REFERENCES:
patent: 5236570 (1993-08-01), Ma et al.
patent: 5453171 (1995-09-01), Ma et al.
patent: 5531870 (1996-07-01), Cha

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