Solid state ion sensor with silicone membrane

Details Solid state ion sensor with silicone membrane Solid state ion sensor with silicone membrane

G - Physics

01

N

G01N 27/12 (2006.01) G01N 27/333 (2006.01) G01N 27/414 (2006.01) H01L 29/78 (2006.01)

Patent

CA 2081915

2081915 9117430 PCTABS00008 A silicone matrix is employed to form a substance-sensitive membrane which is particularly suited for installation on a solid state sensor. The ionophore may be a potassium ionophore, an ammonium ionophore, or any other ionophore. The membrane may be coupled to the molecule of interest through a bioactive agent, such as an enzyme, an immunochemical, bacteria, antibody, virus, or antigen. The resulting substance-sensitive membrane has electrochemical properties which compare favorably to those of conventional PVC membranes, and exhibit significantly greater adhesion to glasses and semiconductor substrate materials. The improved adhesion will prolong the life of the sensors and prevent the formation of electrolyte shunts which have been known to render solid state sensors inoperative.

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