Table 2.

Antimicrobial activity: CFU per mL after bacteria incubation with a) E. coli or b) S. epidermidis with AuMs and differently modified AuMs (with −NO₂, −NH₂, −COOH) with and without light triggering.

Sample	E. coli		S. epidermidis
	dark	light	dark	light
Control	106.5±10	97.8±11	111.9±10.1	105.3±9.1
AuMs	78.7±9.2	84.9±9.2	56.9±5.2	50±5.1
−NO2	72.6±6.1	59.9±6.9	54.2±4.8	35.3±3.9
−COOH	48.6±6.6	18.1±5.4	34.1±2.5	10.1±2.4
−NH2	41.3±3.8	10±2.4	18.1±2.7	4.3±1.9