Comparative Study on the Synergistic Action of Garlic Synthesized and Citrate Capped Silver Nanoparticles with β-Penem Antibiotics

Table 1

Synergistic activity of ampicillin (β-lactam penem antibiotics) against different pathogens.

Microorganisms	Ampicillin; zone (mm); 30 µg/disc	Ag-NPs + ampicillin
		Ag-NPs (AS); 20 µg/disc	Fold increase (%)	Ag-NPs (CS); 20 µg/disc	Fold increase (%)
Escherichia coli	26	0	−100	0	−100
Pseudomonas aeruginosa	45	39	−13.3	45	0
Staphylococcus aureus	11	11	0	11	0
Lactococcus lactis	20	20	0	21	5
Micrococcus luteus	28	29	3.5	28	0
Bacillus subtilis	24	14	41.6	24	0
Proteus vulgaris	36	36	0	36	0
Klebsiella pneumonia	7	0	−100	7	0
Salmonella typhi	11	15	36.3	12	9
Proteus mirabilis	19	18	−5.2	20	5.2