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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la4028018
|2 doi
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|a eng
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|a Kameta, Naohiro
|e verfasserin
|4 aut
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|a Control of self-assembled morphology and molecular packing of asymmetric glycolipids by association/dissociation with poly(thiopheneboronic acid)
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|c 2013
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|a Text
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|a ƒaComputermedien
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|a Date Completed 21.05.2014
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|a Date Revised 25.10.2024
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|a published: Print-Electronic
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|a RetractionIn: Langmuir. 2024 Oct 25. doi: 10.1021/acs.langmuir.4c04132. - PMID 39454088
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|a Citation Status PubMed-not-MEDLINE
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|a The molecular packing and self-assembled morphologies of asymmetric bolaamphiphiles, N-(2-aminoethyl)-N'-(β-d-glucopyranosyl)alkanediamide [1(n), n = 12, 14, 16, 17, 18, and 20], were precisely controlled by association/dissociation with poly(thiopheneboronic acid) (PTB). Differential scanning calorimetry, X-ray diffraction, and infrared spectroscopy revealed that the starting film of 1(n) associated with 1 equiv of the boronic acid moiety of PTB, (Film-1(n)PTB), had antiparallel molecular packing of 1(n) moiety within the monolayer membranes. However, the molecular packing of the starting film that contained 0.5 equiv of the boronic acid moiety of PTB (Film-2eq1(n)PTB) was parallel. The dispersion of Film-1(n)PTB in water gave only nanotapes, whereas that of Film-2eq1(n)PTB in water selectively formed nanotubes, through a dissociation reaction of PTB based on the hydrolysis of the boronate esters in the complexes. The nanotapes and nanotubes memorized the antiparallel and parallel molecular packing of the starting films, respectively. Changes in the length of the oligomethylene spacer of 1(n) never affected the molecular packing or self-assembled morphologies. However, the inner diameters of the nanotubes increased irregularly in the range of 67.9-79.6 nm as the length of the oligomethylene spacer of 1(n) increased from n = 12 to n = 18
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|a Journal Article
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|a Retracted Publication
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|a Ishikawa, Kazuyuki
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|4 aut
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|a Masuda, Mitsutoshi
|e verfasserin
|4 aut
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|a Shimizu, Toshimi
|e verfasserin
|4 aut
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|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 29(2013), 43 vom: 29. Okt., Seite 13291-8
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|x 1520-5827
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|g volume:29
|g year:2013
|g number:43
|g day:29
|g month:10
|g pages:13291-8
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|u http://dx.doi.org/10.1021/la4028018
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