RADIO FREQUENCY BASED SENSORS EMPLOYING ANALYTE RECOGNITION ELEMENT
First Claim
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1. A radio frequency based sensor, comprising:
- a radio frequency identification tag having a substrate, wherein the radio frequency identification tag generates an associated electromagnetic field;
an analyte recognition element in operative association with the substrate,wherein the analyte recognition element is capable of binding to a target analyte; and
a signal amplification entity coupled to the analyte recognition element, wherein the signal amplification entity facilitates change in electromagnetic field in presence of the target analyte.
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Abstract
A radio frequency based sensor is provided. The sensor comprises a radio frequency identification tag having a substrate, where the radio frequency identification tag generates an associated electromagnetic field. The sensor further includes an analyte recognition element in operative association with the substrate, where the analyte recognition element is capable of binding to a target analyte, and a signal amplification entity coupled to the analyte recognition element, where the signal amplification entity facilitates change in electromagnetic field in presence of the target analyte.
44 Citations
25 Claims
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1. A radio frequency based sensor, comprising:
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a radio frequency identification tag having a substrate, wherein the radio frequency identification tag generates an associated electromagnetic field; an analyte recognition element in operative association with the substrate, wherein the analyte recognition element is capable of binding to a target analyte; and a signal amplification entity coupled to the analyte recognition element, wherein the signal amplification entity facilitates change in electromagnetic field in presence of the target analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A radio frequency based sensor, comprising:
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a substrate comprising a radio frequency identification tag, wherein the radio frequency identification tag comprises an antenna; a pair of electrodes disposed on the substrate and in operative association with the antenna, and wherein the pair of electrodes define a sensing region; and an analyte recognition element disposed in the electromagnetic field of the pair of electrodes and being capable of producing electrical signals representative of a target analyte binding to the analyte recognition element. - View Dependent Claims (24)
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25. A detection system, comprising:
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a sample delivery unit for delivering a sample; a radio frequency based sensor for producing an electrical signal in response to a binding event for an analyte present in the sample, comprising; a substrate comprising a radio frequency identification tag; an analyte recognition element in operative association with the substrate, wherein the analyte recognition element is capable of binding to a target analyte in presence of an electromagnetic field; and a display device for displaying the electrical signal.
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Specification