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(A) Reaction scheme for conjugation of aSpa to AuNC@PDA. (B) Bacterial cell killing using AuNC@PDA–aSpa against UAMS-1 (1) without irradiation, (2) with irradiation, and (3) against LAC with irradiation. Killing was assessed at 0 h (striped bars) and 24 h (solid bars) post treatment. Black bars indicate non-irradiated groups, and red bars indicate irradiated groups.
