Comparative Study on the Synergistic Action of Differentially Synthesized Silver Nanoparticles with β-Cephem Antibiotics and Chloramphenicol

Table 1

Synergistic activity of cefazolin against different pathogens.

Microorganisms	Cefazolin; zone (mm)	Ag NPs + cefazolin
		Ag NPs (AS); 30 µg/disc	Fold increase (%)	Ag NPs (CS); 20 µg/disc	Fold increase (%)
Escherichia coli	29	26	−10.3	30	3.4
Pseudomonas aeruginosa	13	13	0	15	15.3
Staphylococcus aureus	13	11	−15.3	13	0
Lactococcus lactis	14	16	14.28	15	7.1
Micrococcus luteus	10	13	30	11	10
Bacillus subtilis	27	27	0	24	−11.1
Proteus vulgaris	31	29	−6.45	32	3.2
Klebsiella pneumoniae	8	0	−100	0	−100
Salmonella typhi	12	10	−16.6	11	−8.3
Proteus mirabilis	18	17	−5.5	17	−5.5