Engineering a continuous flow electrochemical micro-cell for biosensor applications: New achievements

Mihaela Ilie, Remo Dejana, Vittorio Foglietti, Roberto Renda, Luigi Nardi, Amedeo Masci, Bruno Lanza, Maria Rita Montereali, Livia della Seta, Walter Vastarella, Roberto Pilloton

Research output: Contribution to journalArticle

Abstract

The functional tests of a previously obtained continuous flow micro-cell revealed a rather low value of the sensitivity of the chronoamperometric measurements as well as a poor reliability of both fluidic and electric connections. The engineering of the micro-cell regards the improvement of the following characteristics: (1) integrating the reference electrode on the chip, (2) designing a specific pattern of the electrodes and (3) serially distributing them along the pipeline reservoir. Thus, a plug-flow device is obtained and the preliminary tests confirm its functionality together with an improved sensitivity. The use of photosensitive glass (Foturan®) for obtaining the reservoir and its vertical openings allowed an improvement of the transversal shape and thus of the fluid flow. Better connections are achieved by the development of more reliable and rigid glass fluidic connections as well as of flexible elastomer-based solderless electric connections combined with both a standard DIL40 socket and standard flat cable connectors. © 2010 Taylor & Francis.
Original languageEnglish
Pages (from-to)31 - 39
Number of pages9
JournalInternational Journal of Environmental Analytical Chemistry
Volume90
Issue number1
DOIs
Publication statusPublished - 2010

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All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Environmental Chemistry
  • Water Science and Technology
  • Waste Management and Disposal
  • Soil Science
  • Pollution
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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