Minimum inhibitory concentrations (MICs) of 1 against E. coli 25922, P. aeruginosa PA01 and MRSA. Determined from spot-on-lawn bioassays performed with and without Fe³⁺ added to the media.

Organism	MIC of 1/μg mL−1
		+Fe3+
E. coli 25922	256	≤1
P. aeruginosa PA01	128	≤1
MRSA	2	0.25