Stabilization of a Pickering Emulsion by Nanoparticles of Eudragit RSPO and Pol-epsilon Caprolactone: Contact Angle Measurement and Surface Tension Studies
Journal of Pharmaceutical Research International, Volume 35, Issue 3,
Page 29-44
DOI:
10.9734/jpri/2023/v35i37317
Abstract
The use of colloidal particles to prepare and stabilize emulsions, known as "Pickering emulsions “, has aroused growing interest in recent years. Pickering and Ramsden demonstrated at the beginning of the last century the feasibility of surfactant-free emulsions, in presence of these emulsions is called "Pickering Emulsions". This concept of emulsions stabilized by solid particles is experiencing renewed interest nowadays given the many advantages it offers good stability, environmental protection, user safety, and particle varieties.
The first part is devoted to the synthesis of Eudragit RSPO and pol epsilon-caprolactone nanoparticles and their characterization. The characterization of the nanoparticles is performed by dynamic light scattering and geometry. The understanding of the interfacial behavior of these nanoparticles and their associated stabilization mechanisms for emulsions was carried out. The second part of the study investigated the formulation and stabilization of the emulsion using the washed suspension containing the nanoparticles as the only stabilizer. The objective of this part is to stabilize and characterize the formulated emulsions. Droplet size determination and microscopy were performed using a Zeiss optical microscope. The direction of the formulated emulsions was determined by conductimetry. In conclusion, Pickering emulsions stabilized solely by Eudragit RSPO and Poly-epsilon Caprolactone nanoparticles appear to be highly effective innovative drug carriers, opening new doors as potential drug delivery systems.
- Pickering emulsion
- polymer
- contact angle
- eudragit RSPO
- poly-epsilon caprolactone
How to Cite
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