Current Science

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Ruthenium nanoparticles (Ru NPs) of different sizes prepared using leaf extracts of fishtail fern (Nephrole-pis biserrata), sago palm (Cycas revoluta), rosy periwinkle (Catharanthus roseus) and holy basil (Oci-mum tenuiflorum) in methanol exhibited pronounced antifungal (against Aspergillus flavus) and antioxidant activity (DPPH, ABTS, SO, OH). The synthesized Ru NPs were characterized using FTIR, UV-visible spectra, fluorescence and XRD. A tentative synthetic mechanism of NPs has been hypothesized via redox mechanism. A correlation between size of nano-particles and plant groups has also been established.

Keywords

Antifungal, Antioxidant, Biosynthesis, Nano-Particles, Ruthenium.
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