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231224s2012 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la301338a
|2 doi
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|a pubmed24n0730.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Xin, Yanyan
|e verfasserin
|4 aut
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|a Self-assembly and molecular recognition of adenine- and thymine-functionalized nucleolipids in the mixed monolayers and thymine-functionalized nucleolipids on aqueous melamine at the air-water interface
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|c 2012
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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
|b cr
|2 rdacarrier
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|a Date Completed 20.12.2012
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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 Self-assembly and molecular recognition of the monolayers composed of an equimolar mixture of adenine- and thymine-functionalized nucleolipids at the air-water interface have been investigated in detail using surface pressure-molecular area isotherms and in situ infrared reflection absorption spectroscopy (IRRAS). Prior to molecular recognition, the adenine moieties in the monolayer were almost oriented on an end-on mode through π-stacking and hydrogen bonding interactions, and the C-C-C planes of the alkyl chains were preferentially oriented perpendicular to the water surface, while the thymine moieties in the monolayer were involved in hydrogen bonding almost with a flat-on orientation. On aqueous subphases containing complementary bases, no significant molecular recognition was observed for the monolayers of individual nucleolipids. In the monolayer of equimolar mixture, molecular recognition occurred between the adenine and thymine moieties through hydrogen bonding probably with the development of cyclic structures of adenine-thymine-adenine-thymine quartets. Although molecular recognition between the monolayer of thymine-functionalized nucleolipids and aqueous melamine took place through triple hydrogen bonds, no melamine binding to the monolayer of equimolar mixture was observed, which reflects the formation of the quartets in the mixed monolayers at the air-water interface. FTIR and small-angle X-ray diffraction (XRD) results of the corresponding Langmuir-Blodgett films support the hydrogen bonding recognition and molecular orientation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lipids
|2 NLM
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|a Triazines
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Adenine
|2 NLM
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|a JAC85A2161
|2 NLM
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|a melamine
|2 NLM
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|a N3GP2YSD88
|2 NLM
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|a Thymine
|2 NLM
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| 650 |
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|a QR26YLT7LT
|2 NLM
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| 700 |
1 |
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|a Kong, Xianming
|e verfasserin
|4 aut
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1 |
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|a Zhang, Xianfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lv, Zhongpeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Xuezhong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 30 vom: 31. Juli, Seite 11153-63
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:28
|g year:2012
|g number:30
|g day:31
|g month:07
|g pages:11153-63
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|u http://dx.doi.org/10.1021/la301338a
|3 Volltext
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