TABLE 1.

In vitro activity of tempol against C. albicans SC5314 assessed by 3 different methods.

IC and MFC of tempol against C. albicans
Tempol	ATP	OD530 (nm)	Agar-spot assay
Tested concentration	0.05–17	0.05–17	–
range (mg/ml)
IC90a	0.68	0.5	–
IC50b	0.15	0.3	–
MFCc	–	–	0.5

^a,bInhibitory concentration (IC) was determined as the lowest concentration of tempol that inhibited fungal growth at ≥90% ^aIC₉₀ or ≥50% ^bIC₅₀; Data from three independent experiments. ^cMinimum fungicidal concentration (MFC) was determined as the lowest concentration of tempol that killed at least 99.9% of the initial inoculum. Data from three independent experiments.