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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la404002k
|2 doi
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|a pubmed25n0778.xml
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| 041 |
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|a eng
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| 100 |
1 |
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|a Khan, Ahmad Nawaz
|e verfasserin
|4 aut
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|a Investigation of the interactions involved in the formation of nanotubes from organogelators
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 27.08.2014
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|a Date Revised 31.12.2013
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Investigations into the formation of nanosized structures, particularly nanotubes, by a diamide ester compound are reported. Two aspects are concurrently examined: the role of the solvent and the role of the alkyl chain. The former is addressed by using a benzene derivative (o-xylene) and a totally saturated double ring (trans-decahydronaphthalene) whereas the latter is achieved by replacing the hydrogenous alkyl chain with its fluorinated counterpart while keeping the overall architecture the same. The thermodynamic behavior by differential scanning calorimetry, the morphology by transmission electron microscopy, and the structure by X-ray scattering and small-angle neutron scattering are studied. Despite the identical architecture, the fluorinated molecule does not produce any nanotubes, unlike its totally hydrogenous counterpart. Also, o-xylene prevents the hydrogenous molecule from forming nanotubes, while nanotapes are produced instead. Conversely, the fluorinated molecule produces regularly twisted protostructures in either solvent. Neutron scattering experiments show that the fluorinated alky chain is located within the core of this structure. This suggests that the prerequisite for forming nanotubes relies on the necessity of the alkyl group to point outward
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|a Journal Article
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1 |
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|a Nguyen, Thi-Thanh-Tam
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dobircau, Larisa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schmutz, Marc
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mesini, Philippe J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guenet, Jean-Michel
|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 1985
|g 29(2013), 52 vom: 31. Dez., Seite 16127-34
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|x 1520-5827
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| 773 |
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|g volume:29
|g year:2013
|g number:52
|g day:31
|g month:12
|g pages:16127-34
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|u http://dx.doi.org/10.1021/la404002k
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