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Robust dipstick urinalysis using a low-cost, micro-volume slipping manifold and mobile phone platform†
Gennifer T. Smith,Nicholas Dwork,Saara A. Khan,Matthew Millet,Kiran Magar,Mehdi Javanmard,Audrey K. Ellerbee Bowden
Lab on a Chip Pub Date : 05/11/2016 00:00:00 , DOI:10.1039/C6LC00340K
Abstract

We introduce a novel manifold and companion software for dipstick urinalysis that eliminate many of the aspects that are traditionally plagued by user error: precise sample delivery, accurate readout timing, and controlled lighting conditions. The proposed all-acrylic slipping manifold is reusable, reliable, and low in cost. A simple timing mechanism ensures results are read out at the appropriate time. Results are obtained by capturing videos using a mobile phone and by analyzing them using custom-designed software. We show that the results obtained with the proposed device are as accurate and consistent as a properly executed dip-and-wipe method, the industry gold-standard, suggesting the potential for this strategy to enable confident urinalysis testing in home environments.

Graphical abstract: Robust dipstick urinalysis using a low-cost, micro-volume slipping manifold and mobile phone platform
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