Table 4.

Minimum inhibitory concentration (μg/mL) of compounds 1–5 and silver salts against microbial organisms.^[a]

	Gram-negative		Gram-positive		Yeast
Compound	S. typhimurium	E. coli	B. cereus	S. aureus	S. cerevisiae
1a [Au2(mes)2(μ-dppe)]	Ins[b]	Ins[b]	10	10	Ins[b]
2a [Au2Ag(μ-mes)2(μ-dppe)]ClO4	10	10	1	10	>100[c]
3a [Au2Ag(μ-mes)2(μ-dppe)]SO3CF3	10	10	10	10	>100[c]
4a [Au2Cu(μ-mes)2(μ-dppe)]PF6	Ins[b]	Ins[b]	10	10	Ins[b]
5a [Au2Cl2(μ-dppe)]	>100[c]	>100[c]	>100[c]	>100[c]	>100[c]
AgOClO3	100	100	10	100	100
AgOSO2CF3	100	100	10	100	100
1b [{Au(mes)}2(μ-dppy)]	>100[c]	>100[c]	>100[c]	>100[c]	>100[c]
2b [Au2Ag(μ-mes)2(μ-dppy)]ClO4	100	100	100	100	100
3b [Au2Ag(μ-mes)2(μ-dppy)]SO3CF3	100	100	100	100	100
4b [Au2Cu(μ-mes)2(μ-dppy)]PF6	>100[c]	>100[c]	100	100	>100[c]
5b [{AuCl}2(μ-dppy)]	100	100	100	100	>100[c]

^[a]Compounds were dissolved in DMSO.

^[b]Ins - The compound was insoluble in aqueous solution above 10 ug/ml.

^[c]Concentrations greater than 100 ug/ml were not tested because the compounds would not have been soluble.