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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.6b04080
|2 doi
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|a pubmed24n0893.xml
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|a (DE-627)NLM268118620
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|a (NLM)28099806
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Sijia
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Melting Behavior of Zipper-Structured Lipopeptides in Lipid Bilayer
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|c 2017
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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
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|2 rdacarrier
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|a Date Completed 18.07.2018
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|a Date Revised 16.10.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a A zipper-structured lipopeptide is expected to play a role of "intelligent valve" in the lipid bilayer. In this paper, a series of zipper-structured lipopeptides have been designed for preparing thermocontrollable hybrid liposomes. Their conformational transition as a function of temperature in lipid bilayer has been investigated for understanding the influences of molecular structure and bilayer property on biofunction. The melting temperatures Tm of the lipopeptides have been found to depend on their molecular structures. When the lipopeptides have been doped in bilayer, an increase of size of alkyl chain increases the stability of the α-helix resulting in a decrease in fluidity of lipid bilayer. However, an increase of amino groups at N-terminal is found to decrease the stability of the spatial structure. The thermocontrollability of the "valve" in lipid bilayer is confirmed by drug release experiments under different temperatures. Meanwhile, effects of bilayer properties on the thermosensitivity of lipopeptides have also been investigated. Results show the Tm of lipopeptide doped in bilayer decreases with the increase of membrane fluidity. Furthermore, the reversibility of the thermocontrolled "valve" is also proven by release drug under intermittent temperatures. It could be concluded that the molecular structure of the lipopeptide, as well as the property of bilayer, give great influence on the biofunction of the hybrid liposomes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Lipid Bilayers
|2 NLM
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|a Lipopeptides
|2 NLM
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|a Liposomes
|2 NLM
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|a Phosphatidylcholines
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|a Phosphatidylethanolamines
|2 NLM
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|a Surface-Active Agents
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|a 3-(N-(N',N'-dimethylaminoethane)carbamoyl)cholesterol
|2 NLM
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|a 137056-72-5
|2 NLM
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|a 1,2-dipalmitoyl-3-phosphatidylethanolamine
|2 NLM
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|a 3026-45-7
|2 NLM
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|a Doxorubicin
|2 NLM
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|a 80168379AG
|2 NLM
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|a Cholesterol
|2 NLM
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|a 97C5T2UQ7J
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|a EAG959U971
|2 NLM
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| 700 |
1 |
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|a Han, Xia
|e verfasserin
|4 aut
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1 |
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|a Liu, Danyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Mengya
|e verfasserin
|4 aut
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1 |
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|a Xu, Shouhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Honglai
|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 33(2017), 6 vom: 14. Feb., Seite 1478-1485
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:33
|g year:2017
|g number:6
|g day:14
|g month:02
|g pages:1478-1485
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|u http://dx.doi.org/10.1021/acs.langmuir.6b04080
|3 Volltext
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