Abstract
Enduring demand of sustainable environment encourages the novel green approach of fruit waste utilization to synthesize silver nanoparticles. Herein, aqueous extract of Nyctanthes arbor-tristis (NAT) fruit, was used as reducing agent to formulate silver nanoparticles (AgNPs), synthesized silver NPs were observed spectrophotometrically at 460 nm reflecting sharp peak. The average crystalline size of the X-ray diffraction was assessed to be 29.39 nm. Reduction in the FTIR peaks revealed substantial role of phytoconstituents (alcohol, polyphenol, amides etc.) in single step method to produce AgNPs. About 20–60 nm, spherical shaped NPs were observed under TEM (Transmission electron microscopy) and SEM (Scanning electron microscopy). Moreover, the EDX (Energy-dispersive X-ray spectroscopy) evaluation revealed the distinct peak of Ag with 27.5% weight. Negative value i.e. −31.5 mv of zeta potential confirmed virtuous stability & dispersion of produced NPs. Nyc. Nyctanthes based AgNPs exhibited efficient catalytic activity in NaBH4 mediated reduction of mordant orange- 1 (MO-1) and methylene blue (MB). The results showed that Nyc.-AgNPs degraded more than 80% to both dyes. In addition, Nyc.-AgNPs unveiled significant antimicrobial role against different bacterial & fungal strains. The attained outcomes proposed that the NAT mediated AgNPs would be an efficient source to approach various environmental and biomedical applications.
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