Abstract
In this study, silver-cobalt bimetallic hybrid nanoparticles were synthesized using green method from AgNO3 and CoCl2 metal precursors as well as the locally available root extract of Borassus aethiopum acting as the reducing agent. The formation of bimetallic nanoparticles was first noticed by a color change of the reaction mixture from light pink to light brown as the result of Surface Plasmon absorptions. The optical measurements using UV-Vis showed the maximum absorption wavelength at 420nm while the functional group identification using FT-IR revealed some replacements in the absorption of functional groups, disappearance, and appearance of some others in the spectra of the BMNPs relative to that of the root extract indicating that those involved in the bio-reduction process. In vitro antibacterial potency was investigated against five clinically isolated bacteria. The outcome of the result suggested that they inhibit the tested bacteria especially against Salmonella typhi, Bacillus subtilis and Klebsiella pneumoniae. Thus, it can be developed as a bio-control agent for the treatment of diseases caused by these bacterial pathogens.
Highlights
Green is a term associated with a renewable product or nontoxic process whose introduction in the society has no harm or toxicity and a general favorable life cycle analysis and is nonpersistant (Lucia, 2016)
This research is aimed at the green synthesis of Ag-Co bimetallic nanoparticles using aqueous root extract of Borassus aethiopum, its optical measurement using UV-Visible and functional groups
The synthesis of bimetallic nanoparticles was followed by UV-Vis spectroscopy
Summary
Green is a term associated with a renewable product or nontoxic process whose introduction in the society has no harm or toxicity and a general favorable life cycle analysis and is nonpersistant (Lucia, 2016). The main objective of the green chemistry is to decrease hazards associated with the processes and products that are important to the economy of the world and to maintain the good quality of life that we enjoy through chemistry (Ismail et al, 2018). Magnetic, optical, antibacterial and biomedical properties (Igwe and Ekebo, 2018). High performance permanent magnetic properties and possess biomedical and cytotoxic activity (Kuchekar et al, 2018). Evidence suggests that germ cells and embryonic fibroblasts in rats are toxic with silver nanoparticles (Parang and Moghadamnia, 2018). Biosynthesis of bimetallic nanoparticles method is a good, lowcost and nontoxic method compared to physical and chemical methods which showed a high bioactive efficiency,
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