Sökning: "multiple unit tablets"

Hittade 2 avhandlingar innehållade orden multiple unit tablets.

  1. 1. Modelling of Drug Release from Reservoir and Matrix Formulations - Multiple Unit Dosage Forms and Swelling and Dissolving Matrix Systems

    Detta är en avhandling från KFS AB

    Författare :Per Borgquist; Lund University.; Lunds universitet.; [2005]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; swelling; XEDS; Chemical technology and engineering; Kemiteknik och kemisk teknologi; Polymer technology; biopolymers; Polymerteknik; Pharmaceutical and related technologies; Läkemedelsteknik och relaterad teknik; simulation; single pellet; single-unit release; SEM; reservoir system; poly ethylene oxide ; film-coated; matrix; mathematical model; diffusion; pellet shape; controlled release; polymer dissolution; modelling; ethyl cellulose; Coating; multiple-unit release;

    Sammanfattning : In this work, mathematical models have been developed describing drug release from film-coated reservoir systems as well as drug release and polymer dissolution from swelling and dissolving polymer tablets. The model derivation of both systems is based on a mechanistic approach. The model describing drug release from reservoir systems, i.e. LÄS MER

  2. 2. Preparation of Tablets from Reservoir Pellets with an Emphasis on the Compression Behaviour and Drug Release

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Åsa Tunón; Uppsala universitet.; [2003]
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Pharmaceutics; multiple unit tablets; extrusion-spheronisation; barrier-coating; modified drug release; pellet types; compaction; tablet properties; deformation; densification; Galenisk farmaci; PHARMACY Pharmaceutics; FARMACI Galenisk farmaci; galenisk farmaci; Pharmaceutics;

    Sammanfattning : The preparation of multiple unit tablets was investigated in this thesis with the intention of gaining a deeper understanding of some of the factors that influence the properties of such tablets.Initially, three different types of pellets (drug, soft and disintegrant pellets) were combined as a model to investigate the ability of the mixture to form disintegrating tablets. LÄS MER