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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.7b03173
|2 doi
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|a pubmed24n0923.xml
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|a (DE-627)NLM276920465
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|a (NLM)29023126
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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 Astolfi, Paola
|e verfasserin
|4 aut
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| 245 |
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|a Lyotropic Liquid-Crystalline Nanosystems as Drug Delivery Agents for 5-Fluorouracil
|b Structure and Cytotoxicity
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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
|b cr
|2 rdacarrier
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|a Date Completed 25.01.2019
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|a Date Revised 25.01.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Lyotropic cubic liquid-crystalline systems have received increasing attention due to their unique microstructural and physicochemical properties as efficient nanocarriers for drug delivery. We report the preparation and characterization of bulk phases and cubosome dispersions of phytantriol loaded with the anticancer drug 5-fluorouracil, in neutral and anionic forms. In both cases, a Pn3m cubic phase was observed. The phytantriol phase behavior can be influenced by the addition of ionic agents, and, to this purpose, a positively charged lipid, such as N-[1-(2,3-dioleoyloxy)propyl]-N,N,N-trimethylammonium chloride salt (DOTAP), was included in the studied formulations. It was found to induce a variation of the spontaneous membrane curvature of the phytantriol lipid bilayer, generating a transition from the Pn3m to the Im3m cubic phase. When 5-fluorouracil, in its anionic form (5-FUs), was encapsulated in these latter systems, a further transition to the HII hexagonal phase was observed as a consequence of the formation of a complex phytantriol/DOTAP/5-FUs. The physicochemical characterization was performed with various complementary techniques including synchrotron small-angle X-ray scattering, dynamic light scattering, and attenuated total reflection Fourier transform infrared and UV resonance Raman spectroscopies. Encapsulation of 5-fluorouracil in the corresponding nanodispersions was evaluated, and their in vitro cytotoxicity was assessed in MDA-MB-231 cell line. Phytantriol cubosomes containing 5-fluorouracil showed a higher toxicity compared with the bare drug solution, and hence they represent potential nanocarriers in the delivery of 5-fluorouracil for cancer therapy
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Fatty Alcohols
|2 NLM
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|a Lipids
|2 NLM
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|a Fluorouracil
|2 NLM
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|a U3P01618RT
|2 NLM
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| 700 |
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|a Giorgini, Elisabetta
|e verfasserin
|4 aut
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| 700 |
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|a Gambini, Valentina
|e verfasserin
|4 aut
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| 700 |
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|a Rossi, Barbara
|e verfasserin
|4 aut
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| 700 |
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|a Vaccari, Lisa
|e verfasserin
|4 aut
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| 700 |
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|a Vita, Francesco
|e verfasserin
|4 aut
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| 700 |
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|a Francescangeli, Oriano
|e verfasserin
|4 aut
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|a Marchini, Cristina
|e verfasserin
|4 aut
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| 700 |
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|a Pisani, Michela
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 33(2017), 43 vom: 31. Okt., Seite 12369-12378
|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:43
|g day:31
|g month:10
|g pages:12369-12378
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|u http://dx.doi.org/10.1021/acs.langmuir.7b03173
|3 Volltext
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