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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la804246a
|2 doi
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|a eng
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|a Priest, Craig
|e verfasserin
|4 aut
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|a Asymmetric wetting hysteresis on hydrophobic microstructured surfaces
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 23.07.2009
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|a Date Revised 12.05.2009
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The wetting behavior of hydrophobic, microstructured surfaces containing arrays of pillars or holes has been investigated. The size of the surface features was fixed (20 microm), while their separation was varied to adjust the area fraction (0-80%). The wettability of structured surfaces for liquids resting in the Cassie state is strongly dependent on the continuity of the solid component. Microstructured square pillars and holes showed distinct, asymmetric wetting hysteresis, consistent with our previous observations on flat, chemically heterogeneous surfaces. Furthermore, clear trends for the magnitude of contact angle hysteresis versus area fraction for the two types of microstructured surfaces are evident. The pinning energy associated with these surface features is estimated
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|a Journal Article
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|a Albrecht, Trent W J
|e verfasserin
|4 aut
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|a Sedev, Rossen
|e verfasserin
|4 aut
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|a Ralston, John
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 25(2009), 10 vom: 19. Mai, Seite 5655-60
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:25
|g year:2009
|g number:10
|g day:19
|g month:05
|g pages:5655-60
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|u http://dx.doi.org/10.1021/la804246a
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