Biosynthesis and Characterization of Silver Nanoparticles From Marine Macroscopic Red Seaweed Halymenia Porphyroides Boergesen (Crypton) and Its Antifungal Efficacy Against Dermatophytic and Non-Dermatophytic Fungi

Manam, Vishnu Kiran; Murugesan, S.

doi:10.22159/ajpcr.2020.v13i8.38262

Cited by 3 publications

(2 citation statements)

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“…In other words, there was no deprivation above 750 °C, which is related to the weight of Ag NPs. Analogous consequences have been found elsewhere by other researchers [ 109 , 110 ].…”

Section: Resultssupporting

confidence: 91%

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Biosynthesis of Silver Nanoparticles and Their Applications in Harvesting Sunlight for Solar Thermal Generation

et al. 2021

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Silver (Ag) nanoparticles (NPs) have been synthesized through an easy, inexpensive, and ecofriendly method. Petroselinum crispum, parsley, leaf extract was utilized as a reducing, capping, and stabilizing agent, without using any hazardous chemical materials, for producing Ag NPs. The biosynthesized Ag NPs were characterized using different characterization techniques, namely UV-Vis, FT-IR spectroscopy, X-ray diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS), dynamic light scattering (DLS), zeta potential, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), transmission electron microscope (TEM), field emission scanning electron microscopy (FESEM), and energy-dispersive X-ray (EDX) analysis to investigate the optical, thermal, structural, morphological, and chemical properties of the plant extract and the biosynthesized Ag NPs. After that, the biosynthesized Ag NPs were utilized in harvesting sunlight for solar thermal generation. Surface plasmon resonance (SPR) for the green synthesized Ag NPs with the dark color were adjusted at nearly 450 nm. Once the Ag NPs are excited at the SPR, a large amount of heat is released, which causes a change in the local refractive index surrounding the Ag NPs. The released heat from the Ag NPs under the solar irradiation at the precise wavelength of plasmon resonance significantly increased the temperature of the aqueous medium. Different percentages of Ag NPs were dispersed in water and then exposed to the sunlight to monitor the temperature of the suspension. It was found that the temperature of the aqueous medium reached its highest point when 0.3 wt. % of Ag NPs was utilized. This investigation is rare and unique, and it shows that utilizing a small amount of the biosynthesized Ag NPs can increase the temperature of the aqueous medium remarkably.

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“…In other words, there was no deprivation above 750 °C, which is related to the weight of Ag NPs. Analogous consequences have been found elsewhere by other researchers [ 109 , 110 ].…”

Section: Resultssupporting

confidence: 91%

“…The deprivation pattern of organic compounds was lasting until 750 • C. In other words, there was no deprivation above 750 • C, which is related to the weight of Ag NPs. Analogous consequences have been found elsewhere by other researchers [109,110]. no deprivation above 750 °C , which is related to the weight of Ag NPs.…”

Section: Tga-dsc Analysissupporting

confidence: 88%