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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la401056t
|2 doi
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|a eng
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1 |
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|a Li, Shanghao
|e verfasserin
|4 aut
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|a Interaction between graphene oxide and Pluronic F127 at the air-water interface
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|c 2013
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|a Text
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|a ƒaComputermedien
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|a Date Completed 10.12.2013
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|a Date Revised 14.05.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Triblock copolymer Pluronic F127 (PF127) has previously been demonstrated to disperse graphene oxide (GO) in electrolyte solution and block the hydrophobic interaction between GO and l-tryptophan and l-tyrosine. However, the nature of this interaction between PF127 and GO remains to be characterized and elucidated. In the present study, we aimed to characterize and understand the interaction between GO and PF127 using a 2-dimensional Langmuir monolayer methodology at the air-water interface by surface pressure-area isotherm measurement, stability, adsorption, and atomic force microscopy (AFM) imaging. Based on the observation of surface pressure-area isotherms, adsorption, and stability of PF127 and PF127/GO mixture at the air-water interface, GO is suggested to change the conformation of PF127 at the air-water interface and also drag PF127 from the interface to the bulk subphase. Atomic force microscopy (AFM) image supports this assumption, as GO and PF127 can be observed by spreading the subphase solution outside the compressing barriers, as shown in the TOC graphic
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|a Patel, Ravi A
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|a Dadlani, Anup L
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|a Leblanc, Roger M
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 29(2013), 19 vom: 14. Mai, Seite 5742-8
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