Starvation Survival and Biofilm Formation under Subminimum Inhibitory Concentration of QAMs

Table 3

Biofilm cross-resistance analysis.

(a)

Antimicrobial compounds	MIC (μg/mL)	MBC (μg/mL)
DMADDM	50	100
DMAHDM	12.5	12.5

MIC and MBC values of biofilm exposed to DMADDM/DMAHDM.

(b)

		Exposed to sub-MIC of DMADDM			Exposed to sub-MIC of DMAHDM
		10 d	20 d	30 d	10 d	20 d	30 d
MIC (μg/mL)	DMADDM	50	50	50	100	50	50
	DMAHDM	25	25	50	100	100	25

MIC values of biofilm after exposed to sub-MIC of DMADDM/DMAHDM.

(c)

		Exposed to sub-MIC of DMADDM			Exposed to sub-MIC of DMAHDM
		10 d	20 d	30 d	10 d	20 d	30 d
MBC (μg/mL)	DMADDM	100	100	100	200	100	100
	DMAHDM	50	50	100	200	200	50

MBC values of biofilm after exposed to sub-MIC of DMADDM/DMAHDM.