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Evaluación de la velocidad de liberación de un principio activo para acondicionamiento de suelos, desde comprimidos matriciales con base en un hidrogel de acrilamida
Evaluation of the release rate of a soil conditioning compound from acrylamide hydrogel matrixes
Keywords:
Hidrogeles - Matrices hidrofílicas - Cinéticas de liberación - Atributos de usuario. (es)Hydro gels - Hydrophilic Matrix - Delivery Kinetics- Customer Attributes. (en)
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Este trabajo evaluó el efecto de la composición de comprimidos matriciales a base de un hidrogel de acrilamida, sobre la funcionalidad de un producto diseñado para el acondicionamiento de pH en suelos. Se llevó a cabo una caracterización farmacotécnica del polímero y se propusieron siete alternativas de composición. En los prototipos obtenidos se evaluó la funcionalidad del prototipo en términos de caracterización del comprimido, cesión del principio activo desde los comprimidos, mantenimiento de forma, cinética de liberación del principio activo y funcionalidad “in vivoâ€. Se encontró que los atributos del usuario identificados para el producto y expresados en términos de requerimientos funcionales fueron cumplidos en los prototipos ensayados.
This work evaluated the composition effect of Acrylamide hydrogel matrix tablets, over the product functionality. The product was designed to arrange pH in soils. In the first step the pharmaceutical properties of the polymer were characterized and there were proposed seven composition alternatives. The functionality in terms of time for dissolution the active principle, the delivery kinetic, the integrity during its use and “in vivo†functionality also were evaluated, in the prototypes. It was found that the product functionality attributes identified by the customer were obtained in all the proposed prototypes.
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Copyright (c) 2005 Revista Colombiana de Ciencias Químico-Farmacéuticas
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