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Growing evidence shows that injection of hyaluronan (HA) benefits ischemic injury in animals. On the other hand, cell therapy is an emerging approach to treat occlusive arterial diseases, although the low retention rate of cells after direct injection remains a major concern. Here, we tested whether injection of HA along with endothelial cells promotes the retention and growth of transplanted cells,...
Using dimethyl formamide as the solvent, electrospinning of poly(D,l-lactic acid) (PDLLA, d-lactide content:10%) solutions with various concentrations was performed by means of a heating jacket for controlling the solution temperature range from 25 to 104°C. In addition, an IR emitter was used to control the surrounding temperature at ∼110°C. The effects of solution properties and processing variables...
Syndiotactic polystyrene (sPS) composites filled with well-dispersed carbon nanocapsules (CNC) were prepared through solution blending along with ultrasonication. Several analytic techniques, including DSC, FTIR, PLM, WAXD, TEM, and TGA were performed to reveal the CNC effects on the crystallization, morphology and the thermal degradation of the as-prepared sPS/CNC composites. Addition of CNC was...
Random copolymers based on terephthalate acid, succinic acid and ethylene glycol, with thermally induced shape memory, were synthesized via melt polycondensation. The chemical structures of these poly(ethylene terephthalate-co-ethylene succinate) copolymers (PET-co-ES) were ascertained by 1 H NMR spectroscopy. The thermal and viscoelastic characteristics of these copolymers were studied in...
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