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The present investigation involves the synthesis of chitosan based composite sponges in view of their applications in wound dressing, antibacterial and haemostatic. A facile CO 2 bubbles template freeze-drying method was developed for the fabrication of macroporous chitosan–poly(vinyl alcohol) (PVA) composite sponges with a typical porosity of 50% and pore size of 100–300μm. Effects of the...
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