Self-assembled liquid crystalline nanoparticles as an ophthalmic drug delivery system. Part I: influence of process parameters on their preparation studied by experimental design

Abstract : To develop self-assembled liquid crystalline nanoparticles as a drug delivery system for keratoconus treatment, a formulation containing riboflavin a water-soluble drug, two surfactants (poloxamer 407 and mono acyl glycerol -monoolein-) and water was optimized and prepared by emulsification and a homogenization process. A fractional factorial design was applied to estimate the main effects and interaction effects of five parameters on two responses, namely particle size and encapsulation efficiency. The five parameters are the temperature of the two phases, the duration of emulsification, the presence of heating during homogenization, the number of passes and pressure. The most influent parameters are the presence of heating during the homogenization and the pressure that led to the production of nanoparticles with an average size of 145 nm and an average encapsulation efficiency of 46%.
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Article dans une revue
Drug Development and Industrial Pharmacy, Taylor & Francis, 2015, 41 (1), pp.109 - 115. 〈10.3109/03639045.2013.850707〉
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https://hal-amu.archives-ouvertes.fr/hal-01417419
Contributeur : Laurence Tortet <>
Soumis le : jeudi 15 décembre 2016 - 15:58:14
Dernière modification le : vendredi 22 mars 2019 - 11:50:09

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Djamila Achouri, Virginie Hornebecq, Philippe Piccerelle, Véronique Andrieu, Michelle Sergent. Self-assembled liquid crystalline nanoparticles as an ophthalmic drug delivery system. Part I: influence of process parameters on their preparation studied by experimental design. Drug Development and Industrial Pharmacy, Taylor & Francis, 2015, 41 (1), pp.109 - 115. 〈10.3109/03639045.2013.850707〉. 〈hal-01417419〉

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