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Issue 3, 2015
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Simultaneous metering and dispensing of multiple reagents on a passively controlled microdevice solely by finger pressing

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Abstract

In this work, we report a novel design of a passively controlled, finger-driven microfluidic circuit for the metering and delivery (MaD) of a liquid reagent. The proposed design modularized the fluidic circuit for a single reagent's MaD so that it can be multiplexed conveniently for the MaD of an arbitrary number of reagents solely by finger pressing. The microdevice has comparable accuracy with pipettes and we have demonstrated its applicability in the preparation of biochemical assays. The proposed design of the modularized, structurally “stackable” fluidic circuit provides a reference in designing future single-pressure-source-driven, passively controlled multi-liquid handling microfluidic platforms.

Graphical abstract: Simultaneous metering and dispensing of multiple reagents on a passively controlled microdevice solely by finger pressing

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Publication details

The article was received on 06 Nov 2014, accepted on 27 Nov 2014 and first published on 27 Nov 2014


Article type: Paper
DOI: 10.1039/C4LC01319K
Author version available: Download Author version (PDF)
Citation: Lab Chip, 2015,15, 867-876
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    Simultaneous metering and dispensing of multiple reagents on a passively controlled microdevice solely by finger pressing

    K. Xu, M. R. Begley and J. P. Landers, Lab Chip, 2015, 15, 867
    DOI: 10.1039/C4LC01319K

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