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Self-curing membranes of chitosan/PAA IPNs obtained by radical polymerization: preparation, characterization and interpolymer complexation.
Chitosan/polyacrylic acid I PN's were prepared by radical polymerization of acrylic acid, AA, activated at low temperature, in an aqueous/alcoholic chitosan dispersion. AA monomer to polymerExpand
New starch-based thermoplastic hydrogels for use as bone cements or drug-delivery carriers
The development of new biodegradable hydrogels, based on corn starch/cellulose acetate blends, produced by free-radical polymerization with methyl methacrylate monomer (MMA) and/or an acrylic acidExpand
Evaluation of drug delivery characteristics of microspheres of PMMA-PCL-cholesterol obtained by supercritical-CO2 impregnation and by dissolution-evaporation techniques.
Poly(methyl methacrylate), PMMA, and of PMMA/Poly(epsilon-caprolactone), PCL, microspheres were loaded with different amounts of cholesterol by using a supercritical carbon dioxide (SC-CO2)Expand
Osteogenic effect of local, long versus short term BMP-2 delivery from a novel SPU-PLGA-βTCP concentric system in a critical size defect in rats.
A concentric delivery system, composed of the three biomaterials SPU, PLGA, and βTCP (segmented polyurethane, poly[lactic-co-glycolic acid], and β-tricalcium phosphate) was fabricated as an external,Expand
Cytotoxicity of Cyanoacrylate-Based Tissue Adhesives and Short-Term Preclinical In Vivo Biocompatibility in Abdominal Hernia Repair
Background Cyanoacrylate(CA)-based tissue adhesives, although not widely used, are a feasible option to fix a mesh during abdominal hernia repair, due to its fast action and great bond strength.Expand
Low-density polypropylene meshes coated with resorbable and biocompatible hydrophilic polymers as controlled release agents of antibiotics.
The application of bioactive meshes in abdominal surgery for the repair of hernias is an increasing clinical activity in a wide sector of the population. The main secondary effect is the appearanceExpand
New aspects of the effect of size and size distribution on the setting parameters and mechanical properties of acrylic bone cements.
The effect of the size and the size distribution of poly(methyl methacrylate) (PMMA) beads on the classical kinetic parameters, peak temperature and setting time, for acrylic bone cement formulationsExpand
Mechanical and rheological improvement of a calcium phosphate cement by the addition of a polymeric drug.
A polymeric acrylic system supporting a derivative of the aminosalicylic acid was incorporated in a calcium phosphate cement, with the aim not only to achieve some pharmacological effects but toExpand
Porous starch-based drug delivery systems processed by a microwave route
A new simple processing route to produce starch-based porous materials was developed based on a microwave baking methodology. This innovative processing route was used to obtain non-loaded controlsExpand
Analysis of the leaching and toxicity of new amine activators for the curing of acrylic bone cements and composites.
The comparative reactivity of new tertiary amine activators with the basic chemical structure of N,N-dimethyl-4-toluidine, but reduced toxicity, is analysed. The leaching of the amine compounds fromExpand