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231225s2018 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1021/acs.langmuir.8b00736
|2 doi
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|a pubmed24n0953.xml
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Movsesian, Nareh
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Giant Lipid Vesicle Formation Using Vapor-Deposited Charged Porous Polymers
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| 264 |
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 26.09.2018
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|a Date Revised 26.09.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a In this study, we prepare giant lipid vesicles using vapor-deposited charged microporous poly(methacrylic acid- co-ethylene glycol diacrylate) polymer membranes with different morphologies and thicknesses. Our results suggest that vesicle formation is favored by thinner, more structured porous hydrogel substrates. Electrostatic interactions between the polymer and the lipid head groups affect vesicle yield and size distribution. Repulsive electrostatic interactions between the hydrogel and the lipid head groups promote vesicle formation; attractive electrostatic interactions suppress vesicle formation. Ionic strength and sugar concentration are also major parameters affecting the yield and size of giant vesicles. The presence of both ions and sugars in the hydration buffer results in increased vesicle yields. These results indicate that lipid-polymer interactions and osmotic effects in addition to the substrate morphology and surface charge are key factors affecting vesicle formation. Our data suggest that surface chemistry should be designed to tune electrostatic interactions with the lipid mixture of interest to promote vesicle formation. This vapor-deposited hydrogel fabrication technique offers tunability over the physicochemical properties of the hydrogel substrate for the production of giant vesicles with different sizes and compositions
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 700 |
1 |
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|a Tittensor, Matthew
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dianat, Golnaz
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gupta, Malancha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Malmstadt, Noah
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 34(2018), 30 vom: 31. Juli, Seite 9025-9035
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|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:30
|g day:31
|g month:07
|g pages:9025-9035
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.8b00736
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