Fig 2.
MBECs determined by microcalorimetry. Shown is heat produced by recovering biofilm P. acnes after a 24-h exposure to serial dilutions of rifampin (A), daptomycin (B), levofloxacin (C), vancomycin (D), clindamycin (E), penicillin G (F), and ceftriaxone (G). The MBECs are circled. The detection limit was 10 μW.