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Development and characterization of electrochemical cantilever sensor for bio/chemical sensing applications

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Author

  • Xueling Quan
  • Lee MacKenzie Fischer
  • Anja Boisen
  • Maria Tenje

Summary, in English

We report the improvements made to our previously developed electrochemical cantilever (EC) sensor, where nanoporous gold material is employed as working electrodes in microcantilever arrays, while combined counter-reference electrodes are integrated on the chip. For a surface stress change of 1mN/m induced on the microcantilever, the cantilever deflects is 7.3 nm at the free end, indicating high sensitivity to surface stress changes. The results suggest that the performance of the electrochemical cell is stable. A much enhanced sensitivity in surface chemistry-driven actuation can be achieved by using nanoporous gold with a high-surface area to volume ratio.

Publishing year

2011

Language

English

Pages

1965-1967

Publication/Series

Proceedings of MicroTAS

Document type

Conference paper

Topic

  • Medical Engineering

Conference name

15th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Conference date

2011-10-02 - 2011-10-06

Status

Published

ISBN/ISSN/Other

  • ISBN: 9781618395955