Table 3.
Antimicrobial activity of selected antibiotics (A), TCA-AgNP (1), TCA-AgNP-PI (2), Cinn-AgNP (3), Cinn-AgNP-PI (4) and their dip-coated sutures (S). ZOI [mm] against microbial strains by diffusion assay (S).
| Strain | Anti-Biotic | A | 1S | 2S | 3S | 4S |
|---|---|---|---|---|---|---|
| S. pneumoniae ATCC 49619 | G | 21 | 0 | 0 | 4 | 0 |
| S. aureus ATCC 25923 | G | 27 | 1 | 5 | 1 | 1 |
| E. faecalis ATCC 29212 | CT | 25 | 0 | 0 | 0 | 0 |
| S. pyogenes ATCC 19615 | C | 25 | 2 | 2.5 | 0.5 | 0 |
| B. subtilis | S | 20 | 4 | 5 | 0 | 0 |
| P. aeruginosa WDCM 00026 | CTX | 20 | 5 | 5 | 3 | 1 |
| E. coli WDCM 00013 | G | 23 | 5 | 5 | 0 | 4 |
| K. pneumoniae WDCM 00097 | CTX | 35 | 4 | 5 | 5 | 1 |
| P. mirabilis ATCC 29906 | G | 35 | 1 | 1 | 0 | 1 |
| C. albicans WDCM 00054 | NY | 16 | 0 | 0 | 0 | 0 |
S Diffusion studies (2.5 cm PGA sutures impregnated with 50 µg/mL compounds 1–4). G Gentamicin (30 µg/disc). C Chloramphenicol (10 µg/disc). S Streptomycin (10 µg/disc). CTX Cefotaxime (30 µg/disc). NY Nystatin (100 IU). Grey shaded area represents Gram-negative bacteria. 0 = Resistant. No statistically significant differences (p > 0.05) between row-based values through Pearson correlation.