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Mass transport model through the skin by microencapsulation system
Carreras, Nuria; Alonso Merino, Cristina; Marti Gelabert, Meritxell; Lis Arias, Manuel José
Universitat Politècnica de Catalunya. Departament d'Enginyeria Química; Universitat Politècnica de Catalunya. POLQUITEX - Materials Polimérics i Química Téxtil
Skin drug delivery can be subdivided into topical and transdermal administration. Transdermal administration can take advantage of chemical and physical strategies that can improve skin permeability and allow drug penetration. In this study, the development of a skin penetration profile was carried out by an in vitro technique for a microencapsulated system of ibuprofen. Release experiments were performed using percutaneous absorption tests to determine the evolution of the principle present in each of the different skin compartments as a function of time. A general kinetic model for a microencapsulated structure as a mass transport system through the skin was applied. This model could predict the penetration profile of encapsulated substances through skin from biofunctional textiles as well as estimate the dosage profile of the active principle. The apparent diffusion coefficients found were 1.20¿×¿10-7¿cm/s for the stratum corneum and higher for the rest of the skin 6.67¿×¿10-6¿cm/s
Àrees temàtiques de la UPC::Enginyeria tèxtil ::Teixits::Teixits mèdics
Àrees temàtiques de la UPC::Enginyeria química::Indústries químiques::Química tèxtil
Microencapsulation--Technological innovations
Ibuprofen--therapeutic use
Drug delivery systems--Technological innovations
Skin--Permeability
mathematical model
Mass transport
skin
microcapsules
percutaneous absorption
microencapsulation
biofunctional textile substrates
in vitro skin delivery
ibuprofen
Medicaments -- Administració
Nanoestructures -- Ús terapèutic
Teixits i tèxtils -- Innovacions tecnològiques
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