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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la2039834
|2 doi
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|a pubmed24n0712.xml
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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 Rosholm, Kadla R
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Characterization of fluorinated catansomes
|b a promising vector in drug-delivery
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| 264 |
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1 |
|c 2012
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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 09.07.2012
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|a Date Revised 07.02.2012
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Catansomes, which are vesicles prepared from mixtures of oppositely charged surfactants, have been suggested as effective alternatives to phospholipid vesicles, i.e., liposomes, in applications such as drug-delivery. This is mainly due to their enhanced chemical and physical stability as well as to their relatively easy preparation, which is an advantage for large-scale productions. In this study we have investigated catansomes prepared from a perfluorinated anionic surfactant (sodium perfluorooctanoate) premixed with a hydrogenated cationic surfactant (dodecyltrimethylammonium bromide or 1-dodecylpyridinium chloride). The aim was to gain insights into the physicochemical properties of these systems, such as size, stability, surface charge, and membrane morphology, which are essential for their use in drug-delivery applications. The catansomes were mostly unilamellar and 100-200 nm in size, and were stable for more than five months at room temperature. After loading the catansomes with the fluorescent marker calcein, they were found to exhibit an appreciable encapsulation efficiency and a low calcein leakage over time. The addition of fatty acids to calcein-loaded catansomes considerably promoted the release of calcein, and the rate and efficiency of calcein release were found to be proportional to the fatty acid concentration and chain length. Our results prove the feasibility of utilizing catansomes as drug-delivery vehicles as well as provide a means to efficiently release the encapsulated load
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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7 |
|a Drug Carriers
|2 NLM
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|a Surface-Active Agents
|2 NLM
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| 700 |
1 |
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|a Arouri, Ahmad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hansen, Per L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a González-Pérez, Alfredo
|e verfasserin
|4 aut
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| 700 |
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|a Mouritsen, Ole G
|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 28(2012), 5 vom: 07. Feb., Seite 2773-81
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:28
|g year:2012
|g number:5
|g day:07
|g month:02
|g pages:2773-81
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|u http://dx.doi.org/10.1021/la2039834
|3 Volltext
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