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231223s2006 xx ||||| 00| ||eng c |
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|a (NLM)16460057
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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 Steffens, Silke
|e verfasserin
|4 aut
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| 245 |
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|a Organized collapse structures in mixtures of chiral ethyl 2-azido-4-fluoro-3-hydroxystearates
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| 264 |
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|c 2006
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 09.05.2007
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|a Date Revised 07.02.2006
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|a published: Print
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|a Citation Status MEDLINE
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|a Monolayers of enantiomeric compounds as well as diastereomeric mixtures and racemic/diastereomeric mixtures of ethyl 2-azido-4-fluoro-3-hydroxystearates have been investigated using surface pressure-area isotherms and Brewster angle microscopy. All monolayers collapse out of the liquid-expanded phase, forming 3D collapse structures which were visualized with scanning force microscopy. The enantiomeric compound and the diastereomeric mixtures form unique fiber-like network structures with heights between 20 and 40 nm. Interestingly, the shape of the enantiomeric fiber structures is straight, whereas the diastereomeric mixtures exhibit curved fibers of different sizes. The racemic mixture however forms circular 10 nm high and 20-50 microm broad structures. The shape of unconventional collapse structures could be changed by using distinct ratios of diastereomeric or racemic/diastereomeric mixed compounds
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Membranes, Artificial
|2 NLM
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| 650 |
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7 |
|a Stearates
|2 NLM
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| 700 |
1 |
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|a Oldendorf, Jens
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Haufe, Günter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Galla, Hans-Joachim
|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 22(2006), 4 vom: 14. Feb., Seite 1428-35
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:22
|g year:2006
|g number:4
|g day:14
|g month:02
|g pages:1428-35
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|a AR
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|d 22
|j 2006
|e 4
|b 14
|c 02
|h 1428-35
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