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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b02988
|2 doi
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|a pubmed24n0966.xml
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|a eng
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| 100 |
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|a Kong, Tao
|e verfasserin
|4 aut
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|a How Does PHEMA Pass through the Cavity of γ-CDs to Create Mismatched Overfit Polypseudorotaxanes?
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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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|a ƒa Online-Ressource
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|a Date Completed 25.01.2019
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|a Date Revised 25.01.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A syndiotactic-rich PHEMA oligomer ( rr = 74%, DP = 29, PDI = 1.19) was synthesized and subsequently subjected to self-assembly with a varying amount of γ-CDs in its aqueous solution to create mismatched overfit polypseudorotaxanes (PPRs). The inclusion complexation proceeded in an obvious mismatched manner between the cavity of γ-CDs and the cross-sectional area of an incoming PHEMA chain. The 2D-NOESY NMR analysis provided direct evidence indicating that two adjacent pendant hydroxyethyl groups in PHEMA preferably adopt a curled conformation to pass through the cavity of γ-CDs, giving the PPRs characteristics of a mismatched overfit instead of a matched tight-fit crystal structure. The results suggested that the mutual adaption of pendant side chains of HEMA units with the cavity geometry of γ-CDs would play a dominant role in this unfavorable overfit inclusion complexation besides the size of γ-CDs and the stereoregularity of the PHEMA chain
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ye, Lin
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Ai-Ying
|e verfasserin
|4 aut
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| 700 |
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|a Feng, Zeng-Guo
|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), 46 vom: 20. Nov., Seite 14076-14084
|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:46
|g day:20
|g month:11
|g pages:14076-14084
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|u http://dx.doi.org/10.1021/acs.langmuir.8b02988
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