Chemical sensor for detecting binding reactions

Details Chemical sensor for detecting binding reactions Chemical sensor for detecting binding reactions

1995-02-08

1995-12-26

Saunders, David

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

Carrier is inorganic

73587, 73590, 73645, 73649, 310311, 310312, 310313R, 310313A, 310313B, 310313D, 310316, 310317, 310318, 310319, 310327, 310334, 310340, 310345, 310363, 310367, 422 8201, 426518, 426524, 426149, 426806, G01N 33552

Patent

active

054787564

ABSTRACT:
A chemical sensor includes a piezoelectric support (1) capable of supporting a shear horizontal wave provided on its surface with an electrode (2,3). The sensor is characterized in that the surface of the piezoelectric support (1) including the region bearing the electrode (2,3) is covered by a layer of dielectric material (9) of thickness 0.5 to 20 microns. The piezoelectric support (1) is preferably a single crystal. The dielectric layer (1) may be of, for example, silicon dioxide or a suitable polymer, and preferably has a thickness of between 0.5 and 5 .mu.m.

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