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Qualitative antibacterial (Escherichia coli (left) and Staphylococcus aureus (right)) activity of biosynthesized B. tomentosa Linn flower-powder extract-derived AgNPs. The discs were dipped with the following four different components (30 μL): (i) biosynthesized AgNPs, (ii) Bauhinia tomentosa Linn flower powder extract, (iii) AgNO3 solution, and (iv) standard antibiotic solutions (chloramphenicol, 30 µg/mL).
