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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1021/la504410q
|2 doi
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|a eng
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|a Wang, Guangtong
|e verfasserin
|4 aut
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| 245 |
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|a Tuning the surface activity of gemini amphiphile by the host-guest interaction of cucurbit[7]uril
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|c 2015
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|a Text
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|a ƒaComputermedien
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|a Date Completed 24.07.2015
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|a Date Revised 13.01.2015
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a This research is aimed to develop an effective supramolecular route for tuning the surface activity of the surfactant. To this end, cationic gemini amphiphiles and cucurbit[7]uril (CB[7]) were complexed in water, and each hydrophobic chain of the gemini amphiphiles was bound with a CB[7]. The steric hindrance of CB[7] prevented the two hydrophobic chains from getting closed to each other, leading a significant change of surface activity. Before supramolecular complexation, the surface activity of the gemini amphiphile is relatively high, which can generate the foams easily. However, the foam generated by gemini amphiphile can be destructed by adding CB[7], suggesting that the suface activity is lowed after the supramolecular complexation. The surface activity can recover after adding 1-adamantanamine hydrochloride, which has a stronger ability to bind CB[7]. Therefore, a controllable foaming and defoaming process can be realized. It is highly anticipated that supramolecular chemistry for tuning amphiphilicity of surfactants may find application in the fields that fast foaming and defoaming are needed
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|a Journal Article
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| 700 |
1 |
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|a Kang, Yuetong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Bohan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xi
|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 31(2015), 1 vom: 13. Jan., Seite 120-4
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|x 1520-5827
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|g volume:31
|g year:2015
|g number:1
|g day:13
|g month:01
|g pages:120-4
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|u http://dx.doi.org/10.1021/la504410q
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