Acrylic copolymer membranes for biosensors

Details Acrylic copolymer membranes for biosensors Acrylic copolymer membranes for biosensors

B - Operations, Transporting

01

D

B01D 71/28 (2006.01) B01D 71/40 (2006.01) C12Q 1/00 (2006.01) G01N 27/40 (2006.01) A61B 5/14 (1990.01)

Patent

CA 2129626

Homogeneous membranes (20) are disclosed which are composed of acrylic copolymers and are capable of absorbing % to 50 % of their dry weight of water. The copolymers include a hydrophilic component which comprises acrylic esters having a poly(ethylene oxide) substituent as part of the alcohol moiety. The copolymers further comprise methacrylate and/or acrylate monomer units. The membranes (20) are useful in the fabrication of biosensors, e.g., a glucose sensor (10) intended for in vivo use. Variations in the ratios of the monomeric components make possible the fabrication of membranes which have varying permeabilities.

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