Sol-gel-derived thick-film amperometric immunosensors.

  title={Sol-gel-derived thick-film amperometric immunosensors.},
  author={Joseph Wang and P V Pamidi and Kim R. Rogers},
  journal={Analytical chemistry},
  volume={70 6},
Sol-gel processing is used for the first time for the preparation of electrochemical immunosensors. One-step sensor fabrication, based on the coupling of sol-gel and screen-printing technologies, is employed. A low-temperature cured ink is prepared by dispersion of rabbit immunoglobulin G (RIgG), graphite powder, and a binder in the sol-gel solution. The enzyme-labeled antibody can readily diffuse toward the encapsulated antigen, which retains its binding properties, and the association… CONTINUE READING

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