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Pairing appropriate paper membranes to enhance the performance of microfluidic paper analytical devices (µPADs)

Mittal, M and Toley, BJ (2021) Pairing appropriate paper membranes to enhance the performance of microfluidic paper analytical devices (µPADs). In: 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2021, 10 - 14 October 2021, Virtua, pp. 1337-1338.

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Official URL: https://www.scopus.com/record/display.uri?eid=2-s2...

Abstract

Convection of dried reagents creates spatially heterogeneous colorimetric signals in µPADs. Recently, our group demonstrated that uniform rehydration of dried reagents can be accomplished by stacking a high wicking rate membrane on top of a low wicking rate membrane containing dried reagents 1. In this work, we present a detailed study of how membrane combinations affect rehydration patterns in paper stacks and how that, in turn, affects the limit of detection in µPADs utilizing stacked membranes.

Item Type: Conference Paper
Publication: MicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences
Publisher: Chemical and Biological Microsystems Society
Additional Information: The copyright for this article belongs to the Chemical and Biological Microsystems Society.
Keywords: Analytic equipment; Colorimetric analysis; Colorimetry; Microfluidics; Paper, Colorimetric detection; Limit of detection; Multiplex colorimetric detection; Paper stack; Performance; Stackings; Uniform rehydration; Wicking rate; �-PAD, Membranes
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Date Deposited: 07 Oct 2022 05:41
Last Modified: 07 Oct 2022 05:41
URI: https://eprints.iisc.ac.in/id/eprint/77162

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