Sökning: "Johan Hjärtstam"

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1. 1. Ethyl Cellulose Membranes used in Modified Release Formulations

   Författare :Johan Hjärtstam; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; osmotic pumping; water permeability; drug release; reflectivity; ethyl cellulose; degree of substitution; mechanical strength;

   Sammanfattning : Ethyl cellulose (EC) is a commonly used polymer in modified drug release formulations. The general aim of the present study was to investigate release mechanisms through non-porous EC membranes with hydroxypropyl methyl cellulose (HPMC) contents ranging from 0 to 30% by weight. LÄS MER