Fig. 4

MALDI-TOF MS spectra of clinical S. aureus strains, including 2 h(green), 3 h(orange), and 4 h (blue). (A) MRSA + enrichment by centrifugation. (B) MRSA + enrichment by Fc-MBL@Fe₃O₄. (C) MSSA + enrichment by centrifugation. (D) MSSA + enrichment by Fc-MBL@Fe₃O₄.