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. 2023 Nov 9;13:19469. doi: 10.1038/s41598-023-46355-x

Table 2.

Inhibitory activity PPE-AgNPs expressed as zone diameter (IZD) and activity index (AI).

Pathogen strains Inhibition zone diameter (cm) AI
Antibiotic
(1000 µg/mL)
PPE-AgNPs
(1000 µg/mL)
G+ve Bacteria
 B. subtilis ATCC 6633 4.10b ± 0.41 4.5a ± 0.41 1.10
 E. faecalis ATCC 29212 0.96g ± 0.22 2.5d ± 0.55 2.60
G−ve Bacteria
 E. coli ATCC 8379 0.98g ± 0.16 2.0e ± 0.14 2.05
 K. pneumoniae ATCC 00607 1.30g ± 0.65 2.5d ± 0.77 1.92
 S. typhi DSM 17058 0.96h ± 0.02 2.6d ± 0.11 2.70
 S. sonnei DSM 5570 0.98h ± 0.04 2.5d ± 0.30 2.55
Fungi
 A. flavus ATCC 9643 2.77c ± 0.02 1.30g ± 0.84 0.48
 R. oryzae ATCC 96382 1.88ef ± 0.50 0.96h ± 0.45 0.51

Standard antibiotics were streptomycin, ampicillin, and fluconazole against G+ve bacteria, G−ve bacteria and fungi, respectively.*mm, milli meter; AI, activity index; and SE ( ±), standard error. Values in the same column followed by the same letter are not significantly different, according to29 at a 5% level.