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Gelled microemulsions as encapsulation matrix

Grant number: 15/23836-2
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2016
Effective date (End): May 31, 2017
Field of knowledge:Engineering - Chemical Engineering
Principal Investigator:Fabiana Perrechil Bonsanto
Grantee:Larissa Gabrielle Morais
Host Institution: Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF). Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil


Microemulsions are thermodynamically stable and translucent systems composed by droplet in nano or micrometric scales and low interfacial tension. These properties allow their application as delivery and encapsulation systems of bioactive compounds. For hydrophobic compounds, oil-in-water (O/W) microemulsions can be used due to the presence of oil in the dispersed phase. However, microemulsions show low viscosity, which limit their use. This problem can be solved by adding gelling biopolymers in the aqueous phase or by production of microgels from the extrusion process. Thus, the purpose of this project is to produce microgels from the gelation of microemulsions containing gelling biopolymers, in order to develop a new system for the encapsulation of hydrophobic compounds. (AU)

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