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Poster communications

Formulation of stimulable multiple emulsions by microfluidics

Abstract : Multiple emulsions, in particular water-in-oil-in-water (w/o/w) emulsions, are promising systems for encapsulation and controIled delivery of drugs. We developed a new emulsifier, a poly(dimethylsiloxane)-b-poly(dimethylaminoethylmethacrylate) (PDMS-b-PDMAEMA) amphiphilic copolymer, capable of stabilizing multiple emulsions in one mixing step over long times. This polymer is stimuli responsive, aIlowing the formation of direct, inverse and w/o/w emulsions depending on the pH and ionic strength. It is then possible to consider the controIled release of a compound encapsulated in the inner water droplets. However it is highly desirable to both form monodisperse emulsions for reaching a reliable control of the delivery and differentiate the inner water phases carrying the cargo from the external water phase for avoiding tediol}s washing steps. For aIl these reasons microfluidics was considered as a promising tool and is shown here to provide first promising results.
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Poster communications
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Submitted on : Wednesday, November 6, 2019 - 2:30:23 PM
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  • HAL Id : cea-02351547, version 1


Noémie Bodin, Marine Protat, Florent Malloggi, Véronique Rosilio, Patrick P. Guenoun, et al.. Formulation of stimulable multiple emulsions by microfluidics. BiPoCo 2016, Aug 2016, Szeged, Hungary. ⟨cea-02351547⟩



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