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Morphology and characterization of NSMRH. (A) Chemical structure of HA-AC. (B) HNMR of HA-AC. (C) process Schematical process of NSMRH. (D) General morphological map of NSMRH. (E) Left: Photograph of the mixture solution at room temperature. Middle and right: Photograph of the as-prepared hydrogels formed in 5 min at 37°C. (F) Dissolution standard curve of nano-su. (G) and (H) Nano-su release profile of NSMRH at various conditions.
