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The characterisation of a polyester material for cardiovascular applications can be carried out to various levels of sophistication. This paper focuses on certain methods which could give information about important aspects of material characterisation such as chemical identity, molecular...
Polyvinyl alcohol-silica (PVA-SiO 2 ) composite and heparinized PVA-SiO 2 were examined in vitro and in vivo as materials to coat artificial vessels to be used for the replacement of small arteries. PVA-SiO 2 was observed to prolong coagulation time and on heparinized PVA-SiO 2 surfaces no blood...
Lactic acid was polymerized using tetraphenyl tin as a catalyst. The molecular weight of the resultant poly(lactic acid) varied between 0.89 × 10 6 and 2.94 × 10 6 depending upon the concentration of the catalyst used. In-vivo degradation of the poly(lactic acid) samples having 4 different...
Insulin has been encapsulated in biodegradable polylactic acid microcapsules and non-biodegradable ethylcellulose microcapsules by using an emulsification-solvent evaporation process. Gelatin and polyvinylalcohol were used as protective colloids. The concentrations and types of protective...
The potential of the finite element method as a computational aid for making objective clinical decisions has not yet been exploited due to the unreliability of the results obtained. The main reasons for this may be attributed to the poor quality of the finite elements available in the...
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