Table 4.10.

Antibacterial activity of polyoxotungstates alone and in combination with oxacillin against SR3605 (constitutive MRSA) and ATCC43300 (inducible MRSA)^a

PM	MIC (μM)a	FIC index	MIC (μM)	FIC index
	SR3605		ATCC43300
Na2WO4∙2H2O	102,400	2.0	102,400	0.15
Keggin
PM-1	800	0.156	800	0.094
Na4[SiW12O40]∙nH2O	3,200	0.094	3,200	0.019
PM-47	12,800	0.063	3,200	0.063
Monovacant Keggin
α-K7[PW11O39]∙nH2O	12,800	0.063	6,400	0.035
Trivacant Keggin
B-α-Na10[PW9O34]∙nH2O	12,800	0.047	12,800	0.031
A-β-Na9[HSiW9O34]∙23H2O	12,800	0.094	6,400	0.018
A-α-Na10[SiW9O34]∙18H2O	12,800	0.156	12,800	0.010
B-α-Na9[SbW9O33]∙19.5H2O	3,200	0.156	1,600	0.156
Decatungstates
Na9[EuW10O36]∙32H2O	3,200	0.188	1,600	0.313
K9[GdW10O36]∙20H2O	3,200	0.313	1,600	0.281
Anderson
K5.5H1.5[SbW6O24]∙6H2O	12,800	0.156	12,800	0.063
K6Na2[MnW6O24]∙12H2O	6,400	0.281	3,200	0.281
Others
K18[KSb9W21O86]∙nH2O	200	0.313	400	0.281
Na27[NaAs4W40O140]∙nH2O	400	0.281	400	0.156

^aThe unit (mg/ml) of all the MIC values on Tables 4.1, 4.2, and 4.3 in Yamase et al. (1996a) and Fukuda et al. (1999) should be corrected to μM