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图8 材料与细菌浸泡培养30 d后活细菌的数量和抗菌率

Fig.8 Live bacteria number and antibacterial rate of different samples after immersion for 30 d (a) S.aureus, 316L SS; (b) S.aureus, copper loaded polydopamine coating; (c) E.coli, 316L SS; (d) E.coli, copper loaded polydopamine coating; (e) antibacterial rate