Oxidative Stress and Antimicrobial Activity of Chromium(III) and Ruthenium(II) Complexes on Staphylococcus aureus and Escherichia coli

Table 1

Minimum inhibitory concentrations (MICs) shown by complexes and ligands against test bacteria.

	MIC in µg/mL (mmol/L)
	Staphylococcus aureus	Escherichia coli
[Cr(phen)3]^3+	1 (0.0011)	0.25 (0.0003)
[Cr(phen)2(dppz)]^3+	0.5 (0.0004)	0.125 (0.0001)
CrCl3·6 H2O	No activity	No activity
[Ru(phen)3]^2+	>1024 (>1.437)	>1024 (>1.437)
[Ru(bpy)3]^2+	>1024 (>1.599)	>1024 (>1.599)
Dipyrido[3,2-a:2′,3′-c]-phenazine	No activity	No activity
1,10-Phenanthroline	No activity	No activity
2,2′-Bipyridine	No activity	No activity
Ciprofloxacin	0.5 (0.0013)	0.125 (0.0003)