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Controlling drop size and polydispersity using chemically patterned surfaces.

Abstract:

We explore numerically the feasibility of using chemical patterning to control the size and polydispersity of micrometer-scale drops. The simulations suggest that it is possible to sort drops by size or wetting properties by using an array of hydrophilic stripes of different widths. We also demonstrate that monodisperse drops can be generated by exploiting the pinning of a drop on a hydrophilic stripe. Our results follow from using a lattice Boltzmann algorithm to solve the hydrodynamic equat...

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Publication status:
Published

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Publisher copy:
10.1021/la062082w

Authors


Kusumaatmaja, H More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Langmuir : the ACS journal of surfaces and colloids
Volume:
23
Issue:
2
Pages:
956-959
Publication date:
2007-01-05
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
URN:
uuid:ae195584-110c-4c51-a705-6bc8eae0137f
Source identifiers:
12506
Local pid:
pubs:12506
Language:
English

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