Table 1.

Antimicrobial effect of NPs functionalized with TC, on TC‐susceptible and ‐resistant E. coli and S. aureus strains. (S‐susceptible to TC; R‐resistant to TC; ND‐not determined).

NP sample	Strain	MIC [μg mL−1]	MBC [μg mL−1]	pH
AuNPs@TC	E. coli K12 ATCC 29425 (S)	6	ND	6.8
	E. coli ST648 (R)	ND	ND	6.8
	S. aureus ATCC 25923 (S)	16	ND	6.6
	S. aureus ST398 (R)	ND	ND	6.6
AgNPs@TC	E. coli K12 ATCC 29425 (S)	16	20	6.8
	E. coli ST648 (R)	25	35.5	6.8
	S. aureus ATCC 25923 (S)	16	35.5	6.8
	S. aureus ST398 (R)	ND	ND	7.0
AgNPs@TC‐2	E. coli K12 ATCC 29425 (S)	32	32	7.2
	E. coli ST648 (R)	40	40	6.8
	S. aureus ATCC 25923 (S)	32	40	7.0
	S. aureus ST398 (R)	62.3	ND	6.8
TC	E. coli K12 ATCC 29425 (S)	0.5	16	6.4
	E. coli ST648 (R)	128	256	6.0
	S. aureus ATCC 25923 (S)	8	128	6.8
	S. aureus ST398 (R)	64	256	6.0
AgNPs 15 nm22	E. coli ATCC 2592223 (S)	30	50	ND
	E. coli ATCC 10536 (S)	90	110	ND
	S. aureus ATCC 25923 (S)	100	110	ND