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Last Updated: September 27, 2020

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Patent: 8,171,795

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Summary for Patent: 8,171,795
Title:Self-exciting, self-sensing piezoelectric cantilever sensor for detection of airborne analytes directly in air
Abstract: A method for detection of airborne biological agent using a piezoelectric cantilever sensor that includes a piezoelectric layer and a non-piezoelectric layer. A recognition entity is placed on one or both of the two layers. The antibody that recognizes and binds to the airborne species may be chemically immobilized on the cantilever sensor surface. In one embodiment, the cantilever sensor is attached to a base at only one end. In another embodiment, the sensor includes first and second bases and at least one of the piezoelectric layer and the non-piezoelectric layer is affixed to each of the first and second bases to form a piezoelectric cantilever beam sensor. In this embodiment, resonance is measured via stress on the piezoelectric layer and it has been demonstrated that such sensors are robust and exhibit excellent sensing characteristics in gaseous media with sufficient sensitivity to detect airborne species at relatively low concentrations.
Inventor(s): Mutharasan; Rajakkannu (West Chester, PA), deLesdernier; David L. (Kennett Square, PA), Campbell; Gossett Augustus (Gilbertsville, PA), Maraldo; David R. (Gilbertsville, PA), Nagy; Peter A. (Newtown Square, PA)
Assignee: Drexel University (Philadelphia, PA)
Application Number:11/747,183
Patent Claims:see list of patent claims

Details for Patent 8,171,795

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Emergent Biodefense Operations Lansing, Llc BIOTHRAX bacillus anthracis INJECTION, SUSPENSION 103821 1 1970-11-04   Start Trial Drexel University (Philadelphia, PA) 2026-01-23 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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