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Issue 2, 2013
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Spatially resolved electrochemical sensing of chemical gradients

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Abstract

Chemical gradients drive a diverse set of biological processes ranging from nerve transduction to ovulation. At present, the most common method for quantifying chemical gradients is microscopy. Here, a new concept for probing spatial and temporal chemical gradients is reported that uses a multi-layer microfluidic device to measure analyte concentration as a function of lateral position in a microfluidic channel using electrochemistry in a format that is readily adaptable to multi-analyte sensing.

Graphical abstract: Spatially resolved electrochemical sensing of chemical gradients

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Article information


Submitted
18 Sep 2012
Accepted
08 Nov 2012
First published
09 Nov 2012

Lab Chip, 2013,13, 208-211
Article type
Communication

Spatially resolved electrochemical sensing of chemical gradients

M. M. Mensack, J. B. Wydallis, N. S. Lynn, D. S. Dandy and C. S. Henry, Lab Chip, 2013, 13, 208
DOI: 10.1039/C2LC41054K

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