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Coplanar waveguide biosensor for detecting molecular or cellular events

  • US 20030040004A1
  • Filed: 08/23/2002
  • Published: 02/27/2003
  • Est. Priority Date: 02/02/1998
  • Status: Active Grant
First Claim
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1. A coplanar waveguide biosensor for detecting molecular or cellular events, comprising:

  • a one-port coplanar waveguide transmission line operable to support the propagation of a electromagnetic test signal, comprising;

    a signal line configured to conduct a time-varying voltage therealong; and

    one or more ground elements configured to maintain a time-invariant voltage therealong, the one or more ground elements spaced apart from the signal line and located generally within the same plane as the signal line, wherein a detection region is formed between a portion of the signal line and a portion of at least one of the one or more ground elements; and

    a sample containment structure intersecting the detection region of the one-port coplanar waveguide transmission line, wherein the sample containment structure comprises a cavity operable to hold 1 ml or less of sample solution within the detection region.

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