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Issue 13, 2016
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Confinement of water droplets on rectangular micro/nano-arrayed surfaces

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Abstract

Micro-patterned surfaces with alternate hydrophilic and hydrophobic rectangular areas effectively confine water droplets down to attolitre volumes. The contact angle, volume, and geometry of the confined droplets as a function of the geometry and physico-chemical properties of the confining surfaces have been determined by phenomenological simulations, validated by atomic force microscopy measurements. The combination between experiments and simulations can be used for the purposeful design of arrays with surface-addressable hydrophobicity employed in digital microfluidics and high-throughput screening nanoarrays.

Graphical abstract: Confinement of water droplets on rectangular micro/nano-arrayed surfaces

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Article information


Submitted
12 May 2016
Accepted
27 May 2016
First published
27 May 2016

Lab Chip, 2016,16, 2487-2493
Article type
Paper

Confinement of water droplets on rectangular micro/nano-arrayed surfaces

O. Kašpar, H. Zhang, V. Tokárová, R. I. Boysen, G. R. Suñé, X. Borrise, F. Perez-Murano, M. T. W. Hearn and D. V. Nicolau, Lab Chip, 2016, 16, 2487
DOI: 10.1039/C6LC00622A

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