Printed Circuit Board-Based Electrolyte Regulator for Laminar Microfluidics

The trench on a printed circuit board was reconstructed to fabricate a microfluidic framework that allows low-cost production for small quantities and integration with multifunctional elements. An on-chip electrolyte regulator was thus proposed on this platform to analyze diffusion properties in lam...

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Bibliographic Details
Published inAnalytical letters Vol. 52; no. 9; pp. 1500 - 1508
Main Authors Wang, Wei, Ji, Xiumin, Zeng, Zhi, Zhang, Kaidi, Zhou, Jia
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 13.06.2019
Taylor & Francis Ltd
Subjects
Circuit boards
Computer simulation
Diffusion
Electrical resistivity
Electrolytes
Laminar flow
laminar microfluidics
Mathematical models
Microfluidics
Migration
on-chip electrolyte regulator
printed circuit board
Printed circuit boards
Printed circuits
Production methods
Sodium chloride
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Summary:The trench on a printed circuit board was reconstructed to fabricate a microfluidic framework that allows low-cost production for small quantities and integration with multifunctional elements. An on-chip electrolyte regulator was thus proposed on this platform to analyze diffusion properties in laminar flow. A numerical model was developed, highlighting the interplay between the electrolyte migration and hydrodynamic properties. Solutions with dissolved sodium chloride were simulated and experimentally tested for the regulation of electrical conductivity under the guidance of the normalized Nernst-Planck equation. The diffusion mechanism and the resulting concentration field were demonstrated in detail. This approach provides a satisfactory manufacturing method and a useful tool for integrated microfluidic systems.
ISSN:0003-2719
1532-236X
DOI:10.1080/00032719.2018.1548623