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Abstract In this study, we manufactured a polymer blend, using hydroxypropyl methylcellulose (HPMC) and polyvinylpyrrolidone (PVP), by spray drying method to improve the characteristics of polymers. This polymer blend was used to improve the drug delivery of cilostazol, a phosphodiesterase...
Abstract pH-sensitive poly(4-vinylpyridine)-block-poly(methacrylic acid) (P4VP-b-PMAA) four-armed star-shaped block copolymers were synthesized by two-step atom transfer radical polymerization (ATRP), followed by hydrolysis of P4VP-b-poly(tert-butyl methacrylate) (P4VP-b-PtBMA). The chemical...
Abstract A series of ethyl-vinyl alcohol (EVOH) nanocomposite films with exfoliated graphite nanosheets (EGn) were prepared via a solution blending method and their physical and moisture barrier properties were investigated as a function of the EGn content. The physical properties were strongly...
Abstract We report the fabrication and characterization of electrospun nanofibres from Gonometa postica and Gonometa rufobrunnae silk fibroin indigenous to Southern Africa. Nanofibres were electrospun from regenerated silk fibroin (RSF) powders obtained by freeze drying or via rotary evaporation...
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