Piezoelectric biosensor with a ladder polymer substrate coating
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United States of America Patent
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Sep 29, 1998
Grant Date -
N/A
app pub date -
Jan 25, 1996
filing date -
Jan 25, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A piezoelectric biosensor substrate useful for immobilizing biomolecules in an oriented manner on the surface of a piezoelectric sensor has a ladder polymer of polyacrylonitrile. To make the substrate, a solution of an organic polymer, preferably polyacrylonitrile, is applied to the surface of a piezoelectric sensor. The organic polymer is modifying by heating the polymer in a controlled fashion in air such that a ladder polymer is produced which, in turn, forms the attachment point for the biomolecules comprising the piezoelectric biosensor.
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