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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la302375z
|2 doi
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|a eng
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|a Matsui, Tomoko
|e verfasserin
|4 aut
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|a Single-molecule lactonization of octadecylrhodamine B at a liquid-liquid interface
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|c 2012
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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 19.04.2013
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The total internal reflection laser fluorescence microscope method was used to observe the lateral diffusion of a single octadecylrhodamine B (C(18)RB) molecule at the toluene-water interface. The interfacial diffusion constant of single fluorescent cation C(18)RB(+) was obtained from the maximum residence time in a small observation area with pH <2. For pH >3, the maximum residence time was remarkably shortened, indicating that single fluorescent zwitterion C(18)RB(±) rapidly converted to the nonfluorescent lactone at the interface. The lactonization rate was completed within 0.13 ms at the toluene-water interface but slowed to 67 ms at an interface saturated with dimyristoylphosphatidylcholine
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Rhodamines
|2 NLM
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|a octadecylrhodamine B
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Toluene
|2 NLM
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|a 3FPU23BG52
|2 NLM
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|a Tsukahara, Satoshi
|e verfasserin
|4 aut
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|a Watarai, Hitoshi
|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 28(2012), 44 vom: 06. Nov., Seite 15428-32
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:28
|g year:2012
|g number:44
|g day:06
|g month:11
|g pages:15428-32
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|u http://dx.doi.org/10.1021/la302375z
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