Development of a microfluidic collection system to measure electrolyte variations in sweat during exercise

Conference paper (2020)

Authors

A.S.M. Steijlen Electronic Instrumentation - EEMCS
J. Bastemeijer Electronic Instrumentation - EEMCS
W.A. Groen Aerospace Structures & Materials
K.M.B. Jansen Emerging Materials - IDE
P.J. French Bio-Electronics - EEMCS
A. Bossche Electronic Instrumentation - EEMCS
Research Group
Electronic Instrumentation (EEMCS) (TU Delft)
Copyright: © 2020 A.S.M. Steijlen, J. Bastemeijer, W.A. Groen, K.M.B. Jansen, P.J. French, A. Bossche
DOI: https://doi.org/10.1109/EMBC44109.2020.9176123
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Published Date

2020

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronic Instrumentation

Abstract

A wide variety of electrochemical sweat sensors are recently being developed for real-time monitoring of biomarkers. However, from a physiological perspective, little is known about how sweat biomarkers change over time. This paper presents a method to collect and analyze sweat to identify inter and intraindividual variations of electrolytes during exercise. A new microfluidic sweat collection system is developed which consists of a patch covering the collection surface and a sequence of reservoirs. Na+, Cl- and K+ are measured with ion chromatography afterwards. The measurements show that with the new collector, variations in these ion concentrations can be measured reliably over time.

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