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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la803465u
|2 doi
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|a pubmed24n0625.xml
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|a (DE-627)NLM187597626
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|a (NLM)19341283
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Grzelakowski, C
|e verfasserin
|4 aut
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|a On the influence of pore structure on the free-imbibition of sessile drops into nanoporous substrates
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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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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| 520 |
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|a We report here a model experimental study on the influence of pore structure on the free-imbibition of sessile drops into nanoporous substrates. The work takes advantage of the existence of distinct pore structures on the two sides of a nanoporous alumina membrane: straight parallel channels versus a denser and tortous network. We show first that the spreading which coexists with the free-imbibition predominates in the early stage well follows on both sides the power-law scaling with time predicted by the universal Tanner's law. More interestingly, we found also that the imbibition rate scales in a similar way with the time on both sides of the membrane, showing that the pore structure does not affect qualitatively the free-imbibition kinetics. On the other hand, our results clearly show that the pore structure has a quantitative impact on the imbibition rate, which increases markedly from the A side (dense network of short and tortuous pores) to the side B (straight vertical channels). This latter result shows that, as regards the free-imbibition, the topology of the pores has a preeminent impact on their volume, which is here comparable for both sides of the membrane. More unexpectedly, this quantitative impact of the pore structure on the imbibition rate seems to display a certain sensitivity to the viscosity of the liquid
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|a Journal Article
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1 |
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|a Ben Jazia, D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lebeau, B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vonna, L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dupuis, D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Haidara, H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 25(2009), 10 vom: 19. Mai, Seite 5855-60
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:25
|g year:2009
|g number:10
|g day:19
|g month:05
|g pages:5855-60
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| 856 |
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|u http://dx.doi.org/10.1021/la803465u
|3 Volltext
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