Electric preconcentration and detection of latex beads with interdigitated electrodes

de la Rica, Roberto and Fernández-Sánchez, César and Baldi, Antonio (2007) Electric preconcentration and detection of latex beads with interdigitated electrodes. Applied Physics Letters, 90 (17). 174104. ISSN 0003-6951 (https://doi.org/10.1063/1.2731311)

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Abstract

Latex beads are adhered to the surface of a chip containing polycrystalline silicon interdigitated electrodes by positive dielectrophoresis. The presence of the microparticles induces a change in the distribution of the electric fields and currents that can be detected by measuring either the conductance or the capacitance at the electrode terminals. This combination of actuation and detection with a single device is proposed as a suitable system applicable to biosensing.

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• Item metadata

  Item type:	Article
  ID code:	45757
  Dates:	Date Event 23 April 2007 Published 31 March 2007 Accepted
  Subjects:	Science > Physics
  Department:	Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	08 Nov 2013 09:46
  Last modified:	08 Apr 2024 20:55
  URI:	https://strathprints.strath.ac.uk/id/eprint/45757