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Gross wound conditions: (A) 3 days; (B) 1 week; (C) 2 weeks; (D) 3 weeks; (E) 4 weeks; (F) 5 weeks; (G) 6 weeks; (H) 7 weeks; (I) 8 weeks. The scalp wound and brain tissue were quite clear, and no infection (exudate, pus, or granulation formation) was noticed during the whole experimental period. By week 8, the PLGA/vancomycin nanomembranes were nearly completely dissolved.
