Uncontrolled hemorrhage and infection are the main reasons
for
many trauma-related deaths in both clinic and battlefield. However,
most hemostatic materials have various defects and side effects, such
as low hemostatic efficiency, poor biocompatibility, weak degradation
ability, and lack of antimicrobial properties. Herein, an oxidized
cellulose (OC) sponge with antibacterial properties and biosafety
was fabricated for hemorrhage control and wound healing. The as-prepared
OC sponges were prone to water triggered expansion and superabsorbent
capacity, which could facilitate blood component concentration effectively.
Importantly, they had significant biodegradability with little irritation
to the skin. This hemostat could also reduce the plasma clotting time
to 53.54% in vitro and demonstrated less blood loss
than commercially available hemostatic agents (GS) in a mouse model
of bleeding from liver defects. Furthermore, the biocompatibility
antimicrobial properties and possible hemostatic mechanism of the
OC sponge were also systematically evaluated. Importantly, the potential
wound healing applications have also been demonstrated. Therefore,
the materials have broad clinical application prospects.
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