Compositionally different polymer-based sensor elements and...

Coating processes – Spraying

Reexamination Certificate

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C427S427000, C427S429000, C422S082010, C422S082020, C422S098000

Reexamination Certificate

active

09770089

ABSTRACT:
The present invention provides a combinatorial approach for preparing arrays of chemically sensitive polymer-based sensors which are capable of detecting the presence of a chemical analyte in a fluid in contact therewith. The described methods and devices comprise combining varying ratios of at least first and second organic materials which, when combined, form a polymer or polymer blend that is capable of absorbing a chemical analyte, thereby providing a detectable response. The detectable response of the sensors prepared by this method is not linearly related to the mole fraction of at least one of the polymer-based components of the sensors, thereby making arrays of these sensors useful for a variety of sensing tasks.

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