Synthesis, Characterization, and Evaluation of Antimicrobial Activities of Chitosan and Carboxymethyl Chitosan Schiff-Base/Silver Nanoparticles

Table 3

Antibacterial activities of CS or CMCS/Schiff-base/AgNPs.

Sample code	AgNO3 (wt.%)	B. cereus G +ve	St. aureus G +ve	E. coli G −ve	P. aeruginosa G −ve
		Inhibition zone (mm)	Inhibition zone (mm)	Inhibition zone (mm)	Inhibition zone (mm)
CS	0	14	16	15	13
CMCS	0	17	15	16	14
1	1	17	18	18	16
	2	20	22	21	17
	3	29	28	23	21
2	1	19	17	19	16
	2	19	20	22	18
	3	39	33	30	27
3	1	15	16	18	15
	2	17	16	20	18
	3	31	30	22	26
4	1	15	16	16	11
	2	15	19	17	13
	3	20	19	25	15
5	1	17	16	18	15
	2	20	18	20	18
	3	29	28	24	21
6	1	0	17	16	15
	2	0	20	18	16
	3	0	28	21	20
7	1	17	18	17	16
	2	19	22	21	17
	3	31	42	25	23
8	1	14	17	15	14
	2	17	21	15	17
	3	26	25	23	22
Antibacterial (amoxicillin) 30 µg/mL	3	30	31	29	30