Fig. 5From: Mussel-inspired electroactive, antibacterial and antioxidative composite membranes with incorporation of gold nanoparticles and antibacterial peptides for enhancing skin wound healingH&E staining of the skin tissue embedded with different composite membranes after the wound site was infected with bacteria: (a) PLGA, (b) PDA@PLGA, (c) Au-PDA@PLGA, (d) Os-PDA@PLGA and (e) Os/Au-PDA@PLGA. Bar lengths are 500 μm (left) and 200 μm (right). Black arrow: necrotic tissue, Orange arrow: Neutrophils, lymphocytes and other immune cellsBack to article page