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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b00743
|2 doi
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|a pubmed24n0952.xml
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|a (DE-627)NLM285773739
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|a (NLM)29933690
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Seo, Min Jeong
|e verfasserin
|4 aut
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| 245 |
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|a Reversibly Thermochromic Cyclic Dipeptide Nanotubes
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|c 2018
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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 14.03.2019
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|a Date Revised 14.03.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Owing to their capability of forming extensive hydrogen bondings and the facile introduction of chirality, cyclic dipeptides (CDPs) have gained great attention as scaffolds for functional supramolecules. Surprisingly, introduction of a photopolymerizable diacetylene (DA) moiety to the CDP afforded nanotubular structures with enhanced stability and reversible thermochromism. A series of CDP-containing DAs (CDP-DAs) are prepared by coupling 10,12-pentacosadiynoic acid with CDPs, cyclo(-Gly-Ser) and cis/trans cyclo(-Ser-Ser). Fabrication of CDP-DA self-assemblies in a polar chloroform and methanol solvent mixture affords nanotubes comprising single-wall and multiwall structures. The self-assembly behavior and morphology characteristic are examined by scanning electron microscopy and transmission electron microscopy. Next, X-ray diffraction analysis confirms well-ordered lamellar structures with a perfect agreement with the bilayer formation leading to the tubular structure via lamellar scrolling behavior. Upon UV irradiation, monomeric CDP-DA tubular assemblies result in the blue-colored CDP/polydiacetylene (PDA) nanotubes. Interestingly, CDP/PDA nanotubes exhibit a reversible blue-to-red color change for over 10 consecutive thermal cycles. The CDP-DA/PDA supramolecular system demonstrates potential applications in developing stimulus-responsive functional materials
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Dipeptides
|2 NLM
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|a Solvents
|2 NLM
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|a Song, Jisoo
|e verfasserin
|4 aut
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|a Kantha, Chandra
|e verfasserin
|4 aut
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|a Khazi, Mohammed Iqbal
|e verfasserin
|4 aut
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|a Kundapur, Umesha
|e verfasserin
|4 aut
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|a Heo, Jung-Moo
|e verfasserin
|4 aut
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| 700 |
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|a Kim, Jong-Man
|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 34(2018), 28 vom: 17. Juli, Seite 8365-8373
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:28
|g day:17
|g month:07
|g pages:8365-8373
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|u http://dx.doi.org/10.1021/acs.langmuir.8b00743
|3 Volltext
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