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Alginate-Based Delivery Systems for Bevacizumab Local Therapy: In Vitro Structural Features and Release Properties
(2019-04-01)
Alginate-based polyelectrolyte complexes (PECs) and hydrogel were engineered as platforms for local bevacizumab (BVZ) therapy. This study provides deep comprehension on the microstructures of such systems, and their ...
Absolute bioavailability determination of a sustained release theophylline DETERMINACION DE LA BIODISPONIBILIDAD ABSOLUTA DE UN COMPRIMIDO DE LIBERACION CONTROLADA DE TEOFILINA
(1993)
The absolute biovailability of a sustained release tablet developed in our laboratory was evaluated. The formulation employs acrylic resins Eudragit as the sustaining release system and tablets were obtained using conventional ...
Polysaccharides as safer release systems for agrochemicals
(Springer, 2015-01-01)
Agrochemicals are used to improve the production of crops. Conventional formulations of agrochemicals can contaminate the environment, in particular in the case of intensive cropping. Hence, there is a need for controlled-release ...
Development and in vitro evaluation of lyotropic liquid crystals for the controlled release of dexamethasone
(2017-08-02)
In this study, amphiphilic polymers were investigated as biomaterials that can control dexamethasone (DXM) release. Such materials present interfacial properties in the presence of water and an oily phase that can result ...
Encapsulação da rifampicina em matrizes poliméricas flutuantes obtidas por liofilização a partir de metilcelulose e ftalato de hidroxipropilmetilcelulose. Avaliação da liberação in vitro
(2001-12-01)
Floating multiparticles for oral administration with different compositions were studied from a matricial polymeric system to obtain sustained release. The polymers used in the multiparticles constitution were methylceullose ...
Chitosan/hydroxyethyl cellulose inserts for sustained-release of dorzolamide for glaucoma treatment: in vitro and in vivo evaluation
(Universidade Federal de Minas GeraisBrasilFAR - DEPARTAMENTO DE ALIMENTOSFAR - DEPARTAMENTO DE ANÁLISES CLÍNICAS E TOXICOLÓGICASFAR - DEPARTAMENTO DE PRODUTOS FARMACÊUTICOSICB - DEPARTAMENTO DE MORFOLOGIAICX - DEPARTAMENTO DE QUÍMICAMED - DEPARTAMENTO DE OFTALMOLOGIA E OTORRINOLARINGOLOGIAUFMG, 2019-10)
Preparation and physicochemical characterization of drug loaded in castor oil-based polyurethane
(Springer, 2020-02-01)
Castor oil is an environmentally friendly alternative to hydrocarbon-based feedstocks for the synthesis of polyurethanes due to its major constituent, ricinoleic acid. This work aimed to obtain and characterize castor ...
Poly(epsilon-caprolactone)nanocapsules as carrier systems for herbicides: Physico-chemical characterization and genotoxicity evaluation
(Elsevier B.V., 2012-09-15)
The toxicity of herbicides used in agriculture is influenced by their chemical stability, solubility, bioavailability, photodecomposition, and soil sorption. Possible solutions designed to minimize toxicity include the ...
Controlled release system for ametryn using polymer microspheres: Preparation, characterization and release kinetics in water
(Elsevier B.V., 2011-02-28)
The purpose of this work was to develop a modified release system for the herbicide ametryn by encapsulating the active substance in biodegradable polymer microparticles produced using the polymers poly(hydroxybutyrate) ...
Controlled release system for ametryn using polymer microspheres: Preparation, characterization and release kinetics in water
(Elsevier B.V., 2011-02-28)
The purpose of this work was to develop a modified release system for the herbicide ametryn by encapsulating the active substance in biodegradable polymer microparticles produced using the polymers poly(hydroxybutyrate) ...