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Fiber modulation in-situ during the electrospinning process via enveloping liquid manipulation is a relatively un-explored process parameter. In this study, one-step control of fiber diameter and morphology are demonstrated using three liquids (ethanol, dimethyl silicone oil and mineral oil) serving as the outer-flowing medium during the co-axial process. Poly-caprolactone (PCL) fibers with various...
A kind of polymeric prodrug of ibuprofen with glucose pendant was prepared through chemo-enzymatic method. The obtained polymeric prodrug was characterized by FT-IR, NMR and GPC. The molecular weight of the polymeric prodrug reached 2.126 × 104. Furthermore, the in vitro release behaviors of ibuprofen (raw drug) and the polymeric prodrug were investigated in pH 7.4 buffer solution at 37°C. It was...
A facile procedure combining enzymatic resolution with chemical polymerization was developed to prepare optically active polymeric prodrug containing glucose. Polymerizable optically active (R)-1-O-vinyladipoyl-chlorphenesin ((R)-OVAC) was obtained in excellent optically purity (ee>99.9%) and high yield (~50%) in short time, and optically active (S)-N-vinyladipoyl-propranolol ((S)-NVAP) was obtained...
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