MIC values and MBC/MIC ratios measured for gemini surfactants.

Compounds	MIC (μmol L−1) [MBC/MIC]
	Staphylococcus aureus	Bacillus subtilis	Escherichia coli	Pseudomonas aeruginosa	Aspergillus niger
Bis 8–2–8	20.31 [4]	10.1 [4]	81.25 [2]	27.08 [4]	20.31 [4]
Bis 10–2–10	149.84 [2]	149.84 [2]	149.84 [8]	149.84 [4]	75.00 [4]
Bis 12–2–12	139.03 [2]	139.03 [4]	139.03 [2]	278.03 [4]	139.03 [2]
Bis 14–2–14	7.03 [8]	14.06 [2]	14.06 [2]	28.12 [8]	14.06 [4]
Bis 16–2–16	108.05 [2]	72.03 [4]	144.07 [8]	144.07 [16]	72.03 [4]
Bis 8–4–8	12.90 [4]	51.20 [2]	51.20 [4]	51.20 [4]	6.39 [4]
Bis 10–4–10	56.90 [4]	56.90 [4]	56.90 [8]	56.90 [4]	56.90 [2]
Bis 12–4–12	62.12 [4]	31.06 [4]	31.06 [2]	31.06 [8]	31.06 [4]
Bis 14–4–14	116.14 [2]	29.03 [2]	116.14 [4]	58.07 [4]	58.07 [2]
Bis 16–4–16	141.75 [2]	141.75 [8]	425.25 [8]	354.37 [16]	141.75 [4]