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In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays
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In Vitro Multiparametric Cellular Analysis by Micro Organic Charge-modulated Field-effect Transistor Arrays

Published on: September 20, 2021

Towards multifunctional microelectrode arrays.

Francisco A Aguiar1, Mark C Rosamond, David Wood

  • 1Department of Chemistry, University of Durham, South Road, Durham, UK DH1 3LE.

The Analyst
|July 23, 2008
PubMed
Summary
This summary is machine-generated.

A novel microelectrode array platform identifies defective microelectrodes using normalized currents. This design enables multiplexed sensing for multiple analytes on a single microarray.

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Biosensing

Background:

  • Microelectrode arrays are crucial for electrochemical sensing.
  • Identifying defective microelectrodes is essential for reliable array performance.
  • Multiplexed sensing platforms are needed for simultaneous detection of multiple analytes.

Purpose of the Study:

  • To present a microelectrode array design for identifying defective electrode groups.
  • To demonstrate the calibration of these microelectrode arrays.
  • To discuss the application of this platform for multianalyte detection.

Main Methods:

  • Utilizing flexible multiplexing to divide the microelectrode array into groups.
  • Comparing normalized currents with the number of microelectrodes per group to identify defects.
  • Employing white light interferometry and electrochemistry for array calibration.

Main Results:

  • A method for readily identifying 'defective' clusters of microelectrodes was established.
  • The generic design principle allows for integration of multiple analyte sensing.
  • Calibration procedures using white light interferometry and electrochemistry were described.

Conclusions:

  • The developed microelectrode array platform offers a robust method for defect identification.
  • The flexible multiplexing design is extendable for multianalyte sensing applications.
  • This approach enhances the reliability and versatility of microarray platforms for electrochemical detection.