Bactericides Properties of Chitosan Metal Quantum Dots Microbial Pathogenicity Against E. coli, S. aureus, and S. Typhi

Table 1

Equivalence of mix Qs-QDs tested with NPs (mg) present in each tube.

Concentration	QDs	1600 ppm	800 ppm	400 ppm	200 ppm	100 ppm
A	Au	40	20	10	5	2.5
A	Ag	40	20	10	5	2.5
A	Cu	40	20	10	5	2.5
B	Au	80	40	20	10	5
B	Ag	80	40	20	10	5
B	Cu	80	40	20	10	5

[A] =5 mg/100 ml solvent (2 g chitosan); [B] =10 mg/100 ml (2 g chitosan).