Preparation of Silver Nanoparticles in a Plasma-Liquid System in the Presence of PVA: Antimicrobial, Catalytic, and Sensing Properties

Table 2

Determination of the antimicrobial activity of a solution of nanoparticles against the test microorganism E. coli with the help of the suspension method.

Exposure time	Concentration of silver NPs (μg/cm^3), CFU/cm^3					Test microorganism E. coli
	20.0	12.0	5.5	3.75	1.875
5 min	0	25	28	26	52	65
1 hour	0	15	27	30	33	61
2 hours	0	13	24	18	19	62
3 hours	0	0	6	10	12	63