Magnetic Two-Way Valves for Paper-Based Capillary-Driven
Microfluidic Devices
Posted on 2018-02-20 - 19:38
This article presents a magnetically
actuated two-way, three-position
(+, 0, −), paper-based microfluidic valve that includes a neutral
position (0)the first of its kind. The system is highly robust,
customizable, and fully automated. The advent of a neutral position
and the ability to precisely control switching frequencies establish
a new platform for highly controlled fluid flows in paper-based wicking
microfluidic devices. The potential utility of these valves is demonstrated
in automated, programmed, patterning of dyed liquids in a wicking
device akin to a colorimetric assay but with a programmed fluid/reagent
delivery. These valves are fabricated using facile methods and thus
remain cost-effective for adoption into affordable point-of-care/bioanalytical
devices.
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Fratzl, Mario; Chang, Boyce S.; Oyola-Reynoso, Stephanie; Blaire, Guillaume; Delshadi, Sarah; Devillers, Thibaut; et al. (2018). Magnetic Two-Way Valves for Paper-Based Capillary-Driven
Microfluidic Devices. ACS Publications. Collection. https://doi.org/10.1021/acsomega.7b01839
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AUTHORS (10)
MF
Mario Fratzl
BC
Boyce S. Chang
SO
Stephanie Oyola-Reynoso
GB
Guillaume Blaire
SD
Sarah Delshadi
TD
Thibaut Devillers
TW
Thomas Ward
NM
Nora M. Dempsey
JB
Jean-Francis Bloch
MT
Martin M. Thuo