HARNESSING AGRI-WASTE FOR GREEN SYNTHESIS OF SILVER

This study aimed at using a green, rapid, and efficient method for silver nanoparticles synthesis using different types of agri-waste. Ag was reduced to Ag-NPs using the banana, apple and walnut waste extracts that served as both capping and reducing agent. Silver nitrate solution (1mM) was mixed wi...

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Bibliographic Details
Published in:Annals of Faculty Engineering Hunedoara 2021-05, Vol.19 (2), p.59-62
Main Authors: Neculai-Văleanu, Andra Sabina, Ariton, Adina Mirela, Madescu, Bianca Maria, Vaida, Gheorghe, Creanga, Steofil
Format: Article
Language:English
Subjects:
Environmental impact
Food waste
Fruits
Green chemistry
Nanoparticles
Nanotechnology
Nitrates
R&D
Reducing agents
Research & development
Silver nitrate
Synthesis
Walnuts
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Summary:This study aimed at using a green, rapid, and efficient method for silver nanoparticles synthesis using different types of agri-waste. Ag was reduced to Ag-NPs using the banana, apple and walnut waste extracts that served as both capping and reducing agent. Silver nitrate solution (1mM) was mixed with the vegetal extract (1:9 ratio) and sonicated in a cleaning bath, at 60C The successful bio-reduction of silver nitrate into silver nanoparticles was confirmed by UV-Vis spectroscopy, a characteristic surface plasmon resonance (SPR) band being recorded for all the samples. Concluding, agri-waste may be harnessed to phyto-fabricate eco-friendly silver nanoparticles, with multiple applications in the agri-food sector.
ISSN:1584-2665
2601-2332