Table 4.
Minimum inhibitory concentration of silver nanoparticles (AgNPs), gold NPs (AuNPs) and bimetallic NPs (AgAuNPs) against bacterial cultures
| Name of the microorganism | Biologically synthesized
|
Chemically synthesized
|
||||
|---|---|---|---|---|---|---|
| AgNPs | AuNPs | AgAuNPs | AgNPs | AuNPs | AgAuNPs | |
| A. baumannii AIIMS 7 | 8 | 128 | 16 | 512 | – | 256 |
| E. coli NCIM 2931 | 2 | 256 | 4 | 512 | – | 32 |
| S. aureus aureus MTCC 3160 | 8 | 8 | 8 | 256 | – | 512 |
Note: All experiments were performed in triplicate and standard deviations were negligible.
Abbreviations: AIIMS, All India Institute of Medical Sciences; NCIM, National Collection of Industrial Microorganisms; MTCC, Microbial Type Culture Collection; –, No antimicrobial activity observed.