Inventors: Zhou YX
Substrate imprinted universal sensors and sensors having nano-tunneling effect
Publication date: 2010
A universal sensor fabrication approach, molecular substrate imprinting technique, which utilizes the interaction between molecular building blocks and the surface of a transducer to develop specific molecular recognition cavities has been established. Integration of molecular recognition cavities with the surface of a nanoscale transducer will result in a nano-tunneling effect that takes place which will provide a sensor or a device that exhibits new properties not already exhibited by either the molecular recognition cavities on a bulk transducer or the nanotransducer material. One of the new properties of this nano-tunneling effect is that a universal potentiometric molecular sensor can be fabricated and used to detect any compounds, whether they are ions or molecules, with enhanced selectivity, sensitivity, and stability when molecular recognition cavities or elements are integrated on the surface of a nanoscale transducer.
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