Table 5 The growth inhibition zones of bacteria in agar well diffusion assay in various concentrations of CoNPs, Z. clinopodioides, and Co(NO3)2.
Dilution (mg/mL) | Inhibition zone in well diffusion (mm) | |||||
---|---|---|---|---|---|---|
Gram-positive bacteria | Gram-negative bacteria | |||||
S. typhimurium | E. coli | P. aeruginosa | S. aureus | S. pneumoniae | B. subtilis | |
CoNPs (64) | 33.6 ± 1.14ab | 36.2 ± 0.83a | 38.4 ± 0.54a | 38.2 ± 0.44a | 39 ± 1a | 40.2 ± 1.3a |
CoNPs (32) | 31.4 ± 0.89ab | 31.2 ± 0.44ab | 31.4 ± 0.89ab | 31 ± 1ab | 34.6 ± 0.89ab | 33.8 ± 0.44ab |
CoNPs (16) | 24.2 ± 1.3b | 26.2 ± 0.83b | 26.2 ± 1.3b | 27.4 ± 0.89b | 25.6 ± 1.14b | 29.4 ± 0.54b |
CoNPs (8) | 20.6 ± 0.89bc | 22.4 ± 1.34bc | 21.4 ± 1.34bc | 24.4 ± 0.89b | 22.6 ± 0.89bc | 27.4 ± 0.89b |
CoNPs (4) | 13.4 ± 1.34c | 15.6 ± 0.89bc | 17.2 ± 1.3bc | 18 ± 1.22bc | 18.4 ± 0.54bc | 21.2 ± 1.3bc |
CoNPs (2) | 8.2 ± 0.44c | 10.4 ± 0.54c | 12 ± 0c | 14.2 ± 0.44c | 13.2 ± 1.3c | 15.4 ± 0.89bc |
CoNPs (1) | 0 ± 0d | 0 ± 0d | 8.4 ± 1.34c | 9.8 ± 0.44c | 10.4 ± 0.54c | 12.2 ± 0.83c |
Z. clinopodioides (64) | 24.8 ± 0.44b | 25.4 ± 0.89b | 27 ± 1b | 28.8 ± 0.44b | 28.4 ± 0.89b | 30.8 ± 1.09ab |
Z. clinopodioides (32) | 19.6 ± 1.14bc | 21.2 ± 1.3bc | 23.8 ± 0.44b | 24 ± 0.7b | 22.8 ± 0.44bc | 27.2 ± 0.44b |
Z. clinopodioides (16) | 13.2 ± 0.83c | 19 ± 1.22bc | 20.8 ± 1.09bc | 19.2 ± 0.83bc | 20.4 ± 0.54bc | 22.4 ± 1.34bc |
Z. clinopodioides (8) | 11.8 ± 1.09c | 13 ± 1c | 15.8 ± 1.09bc | 14 ± 1.22c | 17 ± 1bc | 16 ± 1.22bc |
Z. clinopodioides (4) | 8.2 ± 0.83c | 9.2 ± 1.3c | 10.4 ± 1.34c | 12 ± 0.7c | 13.6 ± 1.14c | 15.4 ± 1.34bc |
Z. clinopodioides (2) | 0 ± 0d | 8.2 ± 0.44c | 10.6 ± 1.14c | 9.6 ± 0.89c | 10 ± 0.7c | 12 ± 1.22c |
Z. clinopodioides (1) | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 10 ± 0c |
Co(NO3)2 (64) | 14.4 ± 0.54c | 16.4 ± 0.89bc | 18 ± 0.7bc | 17 ± 1.22bc | 18 ± 0.7bc | 20.6 ± 0.89bc |
Co(NO3)2 (32) | 10.2 ± 1.3c | 11.6 ± 1.14c | 13 ± 0.7c | 13 ± 0c | 14.8 ± 0.44c | 17.8 ± 0.44bc |
Co(NO3)2 (16) | 8.6 ± 0.89c | 9.2 ± 0.83c | 11.2 ± 1.3c | 12.4 ± 1.34c | 12.4 ± 0.54c | 13.2 ± 1.3c |
Co(NO3)2 (8) | 0 ± 0d | 8 ± 0c | 10 ± 0c | 10.4 ± 0.89c | 11 ± 0.7c | 11 ± 0.7c |
Co(NO3)2 (4) | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 8.4 ± 0.54c | 9.8 ± 0.44c |
Co(NO3)2 (2) | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d |
Co(NO3)2 (1) | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d |
Distilled water | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d | 0 ± 0d |