Self-exciting, self-sensing piezoelectric cantilever sensor for detection of airborne analytes directly in air
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 chemic...
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| creator | PETER A. NAGY GOSSETT CAMPBELL DAVID MARALDO RAJAKKANNU MUTHARASAN DAVID L. DELESDERNIER |
| description | 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. |
| format | Patent |
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NAGY ; GOSSETT CAMPBELL ; DAVID MARALDO ; RAJAKKANNU MUTHARASAN ; DAVID L. DELESDERNIER</creatorcontrib><description>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.</description><language>eng</language><subject>ELECTRICITY ; FOR PERFORMING MECHANICAL WORK IN GENERAL ; GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY ; MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES ; MICROSTRUCTURAL TECHNOLOGY ; PERFORMING OPERATIONS ; PHYSICS ; TESTING ; TRANSPORTING</subject><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090212&DB=EPODOC&CC=AU&NR=2007284995A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090212&DB=EPODOC&CC=AU&NR=2007284995A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PETER A. 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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.</description><subject>ELECTRICITY</subject><subject>FOR PERFORMING MECHANICAL WORK IN GENERAL</subject><subject>GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL</subject><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY</subject><subject>MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES</subject><subject>MICROSTRUCTURAL TECHNOLOGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNirEKwjAURbs4iPoPD1wtlKrUjkUUd3UuMb2RB-ElJEGsX28KfoDD5XI4Z17IFdaUeGtOLM8NxQkjJGYiz_g4WOgUWJNWktjihUBT4AKZvAEpe3ZCzpDi8HBBQEqUHRMiDRyytiOxTHZZzIyyEavfL4r1-XQ7Xkp41yN6pSFIfXevq6qpD7u23Xf19r_qCxpeRAk</recordid><startdate>20090212</startdate><enddate>20090212</enddate><creator>PETER A. 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DELESDERNIER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_AU2007284995A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>ELECTRICITY</topic><topic>FOR PERFORMING MECHANICAL WORK IN GENERAL</topic><topic>GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY</topic><topic>MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES</topic><topic>MICROSTRUCTURAL TECHNOLOGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>PETER A. NAGY</creatorcontrib><creatorcontrib>GOSSETT CAMPBELL</creatorcontrib><creatorcontrib>DAVID MARALDO</creatorcontrib><creatorcontrib>RAJAKKANNU MUTHARASAN</creatorcontrib><creatorcontrib>DAVID L. DELESDERNIER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PETER A. NAGY</au><au>GOSSETT CAMPBELL</au><au>DAVID MARALDO</au><au>RAJAKKANNU MUTHARASAN</au><au>DAVID L. DELESDERNIER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Self-exciting, self-sensing piezoelectric cantilever sensor for detection of airborne analytes directly in air</title><date>2009-02-12</date><risdate>2009</risdate><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.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRICITY FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING |
| title | Self-exciting, self-sensing piezoelectric cantilever sensor for detection of airborne analytes directly in air |
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