Table 1. Minimal inhibitory concentration (MIC) of vancomycin for S. aureus (ATCC 29213) and imipenem for E. coli (ATCC 35218) determined by SERS-AST (SERS) method and standard broth microdilution (BMD) method with different inoculum densities.

Bacterial strain	Inoculum density (CFU/ml)	MIC (μg/ml)
		SERS	BMD
S. aureus (ATCC 29213)	1 × 106	1	1
	1 × 107	1	2
	1 × 108	4	8
E. coli (ATCC 35218)	1 × 106	0.06	0.12
	1 × 107	0.25	0.5
	1 × 108	2	2