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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.9b01476
|2 doi
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|a pubmed25n1000.xml
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|e rakwb
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|a eng
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| 100 |
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|a Zhang, Pin
|e verfasserin
|4 aut
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|a Polyunsaturated Phospholipid Modified Membrane Degradation Catalyzed by a Secreted Phospholipase A2
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|c 2019
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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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|a Date Completed 11.08.2020
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|a Date Revised 11.08.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a To optimize the compositions of the lipid-based nanomedicine and to advance understanding of the roles of polyunsaturated phospholipids in biological membranes, this study examined the effects of polyunsaturated phospholipids on the degradation of giant unilamellar vesicles catalyzed by a secreted phospholipase A2 (sPLA2) using fluorescence microscopy. Molecular interfacial packing, interaction, and degradation of the films containing various mixing ratios of saturated and polyunsaturated phospholipids were quantified using a Langmuir trough integrated with synchrotron X-ray surface scattering techniques. It was found that a high molar fraction (0.63 and above) of polyunsaturated phospholipids not only enhanced the rate of sPLA2-catalyzed vesicle degradation but also changed the vesicle deformation process and degradation product morphology. Hydrolysis of the saturated phospholipids generated highly ordered liquid crystal domains, which was reduced or prohibited by the presence of the polyunsaturated phospholipids in the reactant film
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Bee Venoms
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|a Phospholipids
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|a Unilamellar Liposomes
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|a Phospholipases A2
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|a EC 3.1.1.4
|2 NLM
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|a Villanueva, Veronica
|e verfasserin
|4 aut
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|a Kalkowski, Joseph
|e verfasserin
|4 aut
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|a Liu, Chang
|e verfasserin
|4 aut
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|a Pham, Tiep
|e verfasserin
|4 aut
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|a Perez-Salas, Ursula
|e verfasserin
|4 aut
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|a Bu, Wei
|e verfasserin
|4 aut
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|a Lin, Binhua
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Ying
|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 1985
|g 35(2019), 36 vom: 10. Sept., Seite 11643-11650
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:35
|g year:2019
|g number:36
|g day:10
|g month:09
|g pages:11643-11650
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|u http://dx.doi.org/10.1021/acs.langmuir.9b01476
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