Navegação Ciências Exatas e da Terra por Assunto "Microparticulas"
Resultados 1-5 de 5
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Micropartículas nanorrevestidas contendo um fármaco modelo hidrofóbico : preparação em etapa única e caracterização biofarmacêutica
(2008) [Artigo de periódico]The aim of this work was to prepare and characterize spray-dried nanocapsule-coated microparticles obtained in one step, using indomethacin as a hydrophobic drug model and poly(ε-caprolactone) or Eudragit® RS100, as polymers. ... -
Nanoparticle-coated organic-inorganic microparticles : experimental design and gastrointestinal tolerance evaluation
(2006) [Artigo de periódico]The influences of the spray-drying parameters and the type of nanoparticles (nanocapsules or nanospheres) on the characteristics of nanoparticle-coated diclofenac-loaded microparticles were investigated by using a factorial ... -
Nanostructure-coated diclofenac-loaded microparticles: preparation, morphological characterization, in vitro release and in vivo gastrointestinal tolerance
(2005) [Artigo de periódico]Micropartículas com revestimento nanoestruturado, contendo diclofenaco, foram preparadas e caracterizadas apresentando um rendimento de 80% e taxa de encapsulação de 83%. A análise morfológica (MEV) permitiu a visualização ... -
Physicochemical characterization of a hydrophilic model drug-loaded PHBV microparticles obtained by the double emulsion/solvent evaporation technique
(2008) [Artigo de periódico]Micropartículas de poli(3-hidroxibutirato-co-3-hidroxivalerato) (PHBV) contendo um fármaco modelo hidrofílico, o cloridrato de metformina (MH), foram obtidas pela técnica de emulsão múltipla/evaporação do solvente. Diversas ... -
Surface morphology of spray-dried nanoparticle-coated microparticles designed as an oral drug delivery system
(2008) [Artigo de periódico]This paper was devoted to studying the influence of coating material (nanocapsules or nanospheres), drug model (diclofenac, acid or salt) and method of preparation on the morphological characteristics of nanoparticle-coated ...