Table 1.

Summary of antibacterial testing done on various strains of pathogenic bacteria and the size of the AgNPs found to be most effective in killing the bacterial strains based on literature.

Bacterial Strain	AgNP Size	Author
Escherichia coli	7 nm	[13]
Oral pathogenic bacteria: Aggregatibacter actinomycetemcomitans, Fusobacterium nucleatum, Streptococcus mitis, Streptococcus mutans, Streptococcus sanguinis. Aerobic: Escherichia coli	5 nm	[14]
Escherichia coli	55 nm	[15]
Foodborne pathogenic bacteria: Bacillus cereus ATCC 13061, Listeria monocytogenes ATCC 19115, Staphylococcus aureus ATCC 49444, Escherichia coli ATCC 43890, and Salmonella Typhimurium ATCC 43174 Candida species: C. albicans KACC 30003 and KACC 30062, C. glabrata KBNO6P00368, C. geochares KACC 30061, and C. saitoana KACC 41238	31.18 nm, 35.74 nm and 69.14 nm	[16]
Gram-positive bacteria: Streptococcus sp., Bacillus sp., Staphylococcus sp. Gram-negative bacteria: Shigella sp., Escherichia coli, Pseudomonas aeruginosa and Klebsiella sp. Fungus: Candida sp.	8.8 nm to 21.4 nm	[17]
Pseudomonas fluorescens MTCC 1749, Proteus mirabilis MTCC 425, Escherichia coli MTCC 1610, Bacillus cereus and Staphylococcus aureus MTCC 2940	18 nm to 100 nm and 49 nm to 153 nm	[18]
Gram-negative :Escherichia coli O157:H7 Gram-positive: Listeria monocytogenes	8 nm to 15 nm	[19]