Green synthesis of silver nanoparticles by Ferulago macrocarpa flowers extract and their antibacterial, antifungal and toxic effects

Abstract

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Electrochemical properties of biogenic silver nanoparticles synthesized using Hagenia abyssinica (Brace) JF. Gmel. medicinal plant leaf extract

“…The peaks at 2θ values=37.92°, 43.18°, and 64.23°, and 77.02°corresponds to (111), (200), (220) and (311) lattice planes of face centred cubic structure of Ag NPs and the diffraction results were in good agreement with the data of ICPD file no. 00-004-7383 (Fm3m) [29].…”

Green Synthesis, Characterization, and Antifungal Activity of Synthesized Silver Nanoparticles (AgNPS) from Garcinia Kola Pulp Extract

“…The result obtained from this study is in agreement with previous study conducted by Seifipour et al [20] on the antibacterial effects of phytosynthesized AgNPs using Tragopogon collinus leaf extract which stated that at higher temperature from 40 to 80 °C there was no significant change in peak intensity aside the observation of an intense absorption peak at 40 °C which was considered as the optimum temperature for the synthesis. This could be due to generation of high kinetic energy associated with higher reaction temperature, causing faster consumption of silver ions and reduction of the possibility of particle size growth [21].…”

“…The pH of the reaction mixture has been revealed to possess a significant effect on the growth of AgNPs as it changes the electrical charges of biomolecules thereby influencing their reducing and capping efficiency [20,21]. The optimum pH for the synthesis of AgNPs using plant extract was investigated using the solution mixture of the extract and silver precursor at pH of 4, 6, 8, 9, and 12 as shown in Fig.…”

Antimicrobial, antioxidant, anti-glycation and toxicity studies on silver nanoparticles synthesized using Rosa damascena flower extract

“…Ag NPs have been investigated in the medicinal field for their antibacterial, antifungal, antiviral, antioxidant, anti-inflammatory, anti-angiogenesis, antiplatelet and, antitumor anticoagulant, thrombolytic, antidiabetic, anticancer activities (4-10), The properties of NPs can be easily altered according to their morphological features such as size and shape, and chemical bonding features at the surface of the particle (11). For the synthesis of Ag NPs, an array of physical and chemical methods have been utilized in the past, which requires high energy and several hazardous compounds resulting in the environmental toxicity (12,13); Several biological resources that include plants, agro wastes, microbes, metabolites of animals among others have been used for the green synthesis of NPs under ambient and eco-friendly conditions (6,(14)(15)(16) Numerous studies in the recent past have revealed the application of varieties of extracts of plants such as Mangifera indica (17), Plectranthus amboinicus (18), Mangifera indica (17), Ziziphora clinopodioides (19), Morinda citrifolia (20), Saraca asoca (21), Verbena officinalis (22), Chrysanthemum morifolium (23), Tamarindus indica (10), Aloe vera (24), Chenopodium murale (25), Piper longum (26), Eupatorium odoratum (27), nepeta deflersiana (28), Eupatorium odoratum (27), Saliva officinalis (29), Allium cepa (30), Emblica officinalis (31), Coffea Arabica (32), Jatropha gossypifolia (33), Ferulago macrocarpa (34), Mentha pulegium (35) medicinal plants Vernonia amygdalina Del. (36), Syzygium guineense (Willd.)…”