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231223s2004 xx ||||| 00| ||eng c |
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|a pubmed24n0505.xml
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|a (DE-627)NLM151345953
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|a (NLM)15461495
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Fustin, Charles-André
|e verfasserin
|4 aut
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| 245 |
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|a Parameters influencing the templated growth of colloidal crystals on chemically patterned surfaces
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 25.04.2006
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|a Date Revised 18.11.2010
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|a published: Print
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|a Citation Status MEDLINE
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|a Copyright 2004 American Chemical Society
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|a The influence of various experimental parameters on the vertical deposition and structure formation of colloidal crystals on chemically patterned surfaces, with hydrophilic and hydrophobic areas, was investigated. The pattern dimensions range from about 4 to 400 microm, which is much larger than the individual particle size (255 nm), to control the microscopic crystal shape rather than influencing the crystal lattice geometry (as achieved in colloidal epitaxy). The deposition resolution and selectivity were tested by varying the particle concentration in the suspension, the substrate withdrawing speed, pattern size and orientation, and wetting contrast between the hydrophilic and hydrophobic regions. The evolution of colloidal crystal thickness with respect to the pattern dimensions and deposition parameters was further studied. Our results show that the pattern size has a rather strong influence on the deposited number of colloid layers and on the crystal quality. Better results are obtained when the lines of a stripe pattern are oriented parallel to the withdrawing direction rather than perpendicular. The deposition resolution (defined as the minimum feature size on which particles can be deposited) depends on the wetting contrast and increases with lower average hydrophobicity of the substrate
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Colloids
|2 NLM
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|a Membranes, Artificial
|2 NLM
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|a Glasser, Gunnar
|e verfasserin
|4 aut
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|a Spiess, Hans W
|e verfasserin
|4 aut
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|a Jonas, Ulrich
|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 20(2004), 21 vom: 12. Okt., Seite 9114-23
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:20
|g year:2004
|g number:21
|g day:12
|g month:10
|g pages:9114-23
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|d 20
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|h 9114-23
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