Abstract
Nanoparticles show the multidisciplinary versatile utility and are gaining the prime place in various fields, such as medicine, electronics, pharmaceuticals, electrical designing, cosmetics, food industries, and agriculture, due to their small size and large surface to volume ratio. Biogenic or green synthesis methods are environmentally friendly, economically feasible, rapid, free of organic solvents, and reliable over conventional methods. Plant extracts are of incredible potential in the biosynthesis of metal nanoparticles owing to their bountiful availability, stabilizing, and reducing ability. In the present study, the aqueous leaf extract of Buchanania lanzan Spreng was mixed with 0.5 mM silver nitrate and incubated at 70°C for 1 h and synthesized a good quantity of AgNPs. The synthesized AgNPs were characterized using UV-visible spectroscopy, X-ray diffractometry (XRD), dynamic light scattering (DLS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). The maximum absorption of UV-visible spectra was obtained in the range of 420–430 nm. Furthermore, SEM and TEM results inferred that the size of the particles were 23–62 nm, spherical, crystalline, uniformly distributed, and negatively charged with the zeta potential of −27.6 mV. In addition, the antifungal activities of the AgNPs were evaluated against two phytopathogenic fungi Rhizoctonia solani and Fusarium oxysporum f. sp. lycopersici in vitro using poison food techniques on PDA media. The maximum rate of mycelia inhibition was found in 150 ppm concentration of AgNPs against both phytopathogenic fungi.
Highlights
The aqueous leaf extract of Buchanania lanzan Spreng was mixed with 0.5 mM silver nitrate and incubated at 70°C for 1 h and synthesized a good quantity of AgNPs. e synthesized AgNPs were characterized using UV-visible spectroscopy, X-ray diffractometry (XRD), dynamic light scattering (DLS), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). e maximum absorption of UV-visible spectra was obtained in the range of 420–430 nm
The antifungal activities of the AgNPs were evaluated against two phytopathogenic fungi Rhizoctonia solani and Fusarium oxysporum f. sp. lycopersici in vitro using poison food techniques on potato dextrose agar (PDA) media. e maximum rate of mycelia inhibition was found in 150 ppm concentration of AgNPs against both phytopathogenic fungi
Preparation of AgNO3 Solution and Green Synthesis of the AgNPs. e plant extract was mixed with 0.5 mM silver nitrate in 5% by volume ratio, and the reaction mixture was incubated in the amber jar for 1 h at 70°C temperature for reduction of Ag + ions
Summary
Nanoparticles show the multidisciplinary versatile utility and are gaining the prime place in various fields, such as medicine, electronics, pharmaceuticals, electrical designing, cosmetics, food industries, and agriculture, due to their small size and large surface to volume ratio. E maximum rate of mycelia inhibition was found in 150 ppm concentration of AgNPs against both phytopathogenic fungi. E antimicrobial properties of AgNPs have likewise been taken advantage of both in medicine and home. Because of their antibacterial properties, AgNPs have been utilized broadly in the wellbeing business, food stockpiling, material coatings, and numerous natural applications [3]. AgNPs are synthesized by the chemical technique utilizing synthetic compounds as reducing agents, which later on become responsible for different natural risks
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