Vapour-mediated sensing and motility in two-component droplets

N. J. Cira, A. Benusiglio and M. Prakash ()
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N. J. Cira: Stanford University, 450 Serra Mall, California 94305, USA
A. Benusiglio: Stanford University, 450 Serra Mall, California 94305, USA
M. Prakash: Stanford University, 450 Serra Mall, California 94305, USA

Nature, 2015, vol. 519, issue 7544, 446-450

Abstract: Droplets of mixed water and propylene glycol deposited on clean glass exhibit a contact angle but do not suffer from contact line pinning; their motion can be controlled by the vapour emitted from neighbouring droplets to create a variety of autonomous fluidic machines with integrated sensing and motility capabilities.

Date: 2015
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DOI: 10.1038/nature14272

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