Flexible rolled thick-film miniaturized flow-cell for minimally invasive amperometric sensing

Andrea Kagie, Daniel K. Bishop, Jared Burdick, Jeffrey LaBelle, Robert Dymond, Robin Felder, Joseph Wanga

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We describe here a miniaturized flexible thick-film electrochemical biosensor flow detector, suitable for insertion into the lacrimal canaliculus towards minimally invasive amperometric monitoring of biomarkers in the tear fluid. Our focus here is on the microfabrication and in-vitro testing of the new laterally rolled screen-printed sensor. The new device responds rapidly and sensitively to dynamic changes in the levels of norepinephrine and glucose (the later in connection to glucose-oxidase containing ink). Coverage of the enzyme electrode with an electropolymerized polytyramine minimizes contributions from the common electroactive interferences ascorbic and uric acids. Such attractive performance indicates great promise for minimally invasive monitoring of health biomarkers in the tear fluid, or in alternative usage such as capillary microelectrophoresis, ultralow volume sampling, or in-flow (tubular) systems for batch processing of blood or culture media.

Original languageEnglish (US)
Pages (from-to)1610-1614
Number of pages5
JournalElectroanalysis
Volume20
Issue number14
DOIs
StatePublished - Jul 2008

Fingerprint

Biomarkers
Thick films
Norepinephrine
Enzyme electrodes
Glucose Oxidase
Glucose oxidase
Fluids
Monitoring
Microfabrication
Uric Acid
Ink
Biosensors
Ascorbic Acid
Glucose
Culture Media
Blood
Health
Sampling
Detectors
Acids

Keywords

  • Biosensor
  • Flexible substrate
  • Glucose
  • Microfabrication
  • Norepinephrine
  • Rolled flow cell
  • Tears

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry

Cite this

Kagie, A., Bishop, D. K., Burdick, J., LaBelle, J., Dymond, R., Felder, R., & Wanga, J. (2008). Flexible rolled thick-film miniaturized flow-cell for minimally invasive amperometric sensing. Electroanalysis, 20(14), 1610-1614. https://doi.org/10.1002/elan.200804253

Flexible rolled thick-film miniaturized flow-cell for minimally invasive amperometric sensing. / Kagie, Andrea; Bishop, Daniel K.; Burdick, Jared; LaBelle, Jeffrey; Dymond, Robert; Felder, Robin; Wanga, Joseph.

In: Electroanalysis, Vol. 20, No. 14, 07.2008, p. 1610-1614.

Research output: Contribution to journalArticle

Kagie, A, Bishop, DK, Burdick, J, LaBelle, J, Dymond, R, Felder, R & Wanga, J 2008, 'Flexible rolled thick-film miniaturized flow-cell for minimally invasive amperometric sensing', Electroanalysis, vol. 20, no. 14, pp. 1610-1614. https://doi.org/10.1002/elan.200804253
Kagie A, Bishop DK, Burdick J, LaBelle J, Dymond R, Felder R et al. Flexible rolled thick-film miniaturized flow-cell for minimally invasive amperometric sensing. Electroanalysis. 2008 Jul;20(14):1610-1614. https://doi.org/10.1002/elan.200804253
Kagie, Andrea ; Bishop, Daniel K. ; Burdick, Jared ; LaBelle, Jeffrey ; Dymond, Robert ; Felder, Robin ; Wanga, Joseph. / Flexible rolled thick-film miniaturized flow-cell for minimally invasive amperometric sensing. In: Electroanalysis. 2008 ; Vol. 20, No. 14. pp. 1610-1614.
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