Table 2.

Pathogens with in vitro antibacterial activity on nanoparticle dilutions.

S#	Test Organism	Nature of Bacteria	Dilution	Zone Diameter
1.	Escherichia coli	Gram-negative	1000 µg	3 mm
			500 µg	2.5 mm
			250 µg	0
2.	Bacillus subtilis	Gram-positive	1000 µg	1.3 mm
			500 µg	0
			250 µg	0
3.	Cronobacter Sakazakii	Gram-negative	1000 µg	0
			500 µg	0
			250 µg	0
4.	Pseudomonas aeruginosa	Gram-negative	1000 µg	1.2 mm
			500 µg	0
			250 µg	0
5.	Enterococcus faecalis	Gram-positive	1000 µg	3.2 mm
			500 µg	1.7 mm
			250 µg	0
6.	Listeria innocua	Gram-positive	1000 µg	2.5 mm
			500 µg	1.5 mm
			250 µg	1.0 mm