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231227s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c02845
|2 doi
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|a pubmed24n1294.xml
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|a (DE-627)NLM365912425
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|a (NLM)38100549
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Luna, María A
|e verfasserin
|4 aut
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|a PRODAN Photophysics as a Tool to Determine the Bilayer Properties of Different Unilamellar Vesicles Composed of Phospholipids
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|c 2024
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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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|a Date Completed 11.01.2024
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|a Date Revised 15.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Vesicles formed by phospholipids are promising candidates for drug delivery. It is known that the lipid composition affects properties such as the rigidity-fluidity of the membrane and that it influences the bilayer permeability, but sometimes sophisticated techniques are selected to monitor them. In this work, we study the bilayer of different unilamellar vesicles composed of different lipids (1,2-dioleoyl-sn-glycero-3-phosphocholine, DOPC, and lecithin) and diverse techniques such as extruder and electrospun templates and using 6-propionyl-2-(N,N-dimethyl) aminonaphthalene (PRODAN) and its photophysics. Moreover, we were able to monitor the influence of cholesterol on the bilayers. We demonstrate that the bilayer properties can be evaluated using the emission feature of the molecular probe PRODAN. This fluorescent probe gives relevant information on the polarity and fluidity of the microenvironment for unilamellar vesicles formed by two different methods. The PRODAN emission at 434 nm suggests that the bilayer properties significantly change if DOPC or lecithin is used in the vesicle preparation especially in their fluidity. Moreover, cholesterol induces alterations in the bilayer's structural and microenvironmental properties to a greater or lesser degree in both vesicles. Thus, we propose an easy and elegant way to evaluate physicochemical properties, which is fundamental for manufacturing vesicles as a drug delivery system, simply by monitoring the molecular probe emission band centered at 434 nm, which corresponds to the PRODAN species deep inside the bilayer
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Phospholipids
|2 NLM
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|a Unilamellar Liposomes
|2 NLM
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|a Lecithins
|2 NLM
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|a prodan
|2 NLM
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|a 70504-01-7
|2 NLM
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|a Lipid Bilayers
|2 NLM
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|a Molecular Probes
|2 NLM
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|a Cholesterol
|2 NLM
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|a 97C5T2UQ7J
|2 NLM
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| 650 |
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|a Phosphatidylcholines
|2 NLM
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|a Girardi, Valeria R
|e verfasserin
|4 aut
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|a Sánchez-Cerviño, María C
|e verfasserin
|4 aut
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|a Rivero, Guadalupe
|e verfasserin
|4 aut
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|a Falcone, R Dario
|e verfasserin
|4 aut
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|a Moyano, Fernando
|e verfasserin
|4 aut
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|a Correa, N Mariano
|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 40(2024), 1 vom: 09. Jan., Seite 657-667
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:1
|g day:09
|g month:01
|g pages:657-667
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|u http://dx.doi.org/10.1021/acs.langmuir.3c02845
|3 Volltext
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