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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b01241
|2 doi
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|a pubmed24n1000.xml
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|a (NLM)31393728
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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 |
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|a Zheng, Cheng
|e verfasserin
|4 aut
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| 245 |
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|a bola-Type Ala-Ala Dipeptides
|b Odd-Even Effect in Molecular Packing Structures
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 30.06.2020
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|a Date Revised 30.06.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A series of bola-type Ala-Ala dipeptides with different alkylene bridges (n = 10-15) were synthesized. In methanol, the molecules with even-numbered carbon bridges self-assembled into twisted nanoribbons, while those with odd-numbered carbon bridges self-assembled into straight belts. The morphology displays a pronounced odd-even dependence upon the number of carbons (n) in the connecting alkylene bridge. The circular dichroism spectra of the self-assemblies showed that molecules with even- and odd-numbered carbon bridges stacked in different structures. FT-IR spectra indicated that the dipeptides with even-numbered carbon bridges formed hydrogen bonds between the amide group and carboxyl ester group, while those with odd-numbered carbon bridges formed hydrogen bonds only between the amide groups. X-ray diffraction patterns revealed that molecules with odd- and even-numbered carbon bridges stacked in monoclinic and triclinic structures, respectively
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lin, Shuwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yuanli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Baozong
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Yonggang
|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 35(2019), 35 vom: 03. Sept., Seite 11406-11413
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:35
|g year:2019
|g number:35
|g day:03
|g month:09
|g pages:11406-11413
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|u http://dx.doi.org/10.1021/acs.langmuir.9b01241
|3 Volltext
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