EFFICIENT ELECTROCHEMICAL SENSOR INTEGRATED INTO SILICON MICROFLUIDIC CHANNEL TO PREVENT BIOFOULING

Chris Kenji Brenden, Yan Zhang, Sungho Kim, Hrishikesh Iyer, Weihua Shi, Yurii Vlasov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

To prevent biofouling that typically limits the longevity of electrochemical sensors, we present a cyclic voltammetry sensor that is embedded within a 5µm-radius microfluidic channel microfabricated in a silicon chip. Not only are the electrodes made hidden from the direct biofouling attack in the tissue, but also a thin-layer flow cell configuration provided a 4X increase in faradaic current due to a constant supply of analytes.

Original languageEnglish (US)
Title of host publicationMicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherChemical and Biological Microsystems Society
Pages1523-1524
Number of pages2
ISBN (Electronic)9781733419031
StatePublished - 2021
Event25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2021 - Palm Springs, Virtual, United States
Duration: Oct 10 2021Oct 14 2021

Publication series

NameMicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Conference

Conference25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2021
Country/TerritoryUnited States
CityPalm Springs, Virtual
Period10/10/2110/14/21

Keywords

  • Biosensors
  • Electrochemistry
  • Flow Cells
  • Integration
  • Microfluidics
  • Silicon Microfabrication

ASJC Scopus subject areas

  • Bioengineering
  • Chemical Engineering (miscellaneous)

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