Abstract
The present study focus on the green synthesis and characterization of Imperata cylindrica silver nanoparticle and its efficiency against isolated bacterial contaminants from domestic waste water. 5% aqueous Imperata cylindrica extract (AEIC) was treated with 1 mM concentration of Silver Nitrate at 37 °C for silver nanoparticle synthesis. Domestic waste water treated with AEIC and AgNP’s of IC with different time durations (12, 24 and 48 hrs). Selective agar media’s is used for isolation of specific bacterial species. Surface Plasmon resonance occurred at 430 nm for 1 mM silver nitrate and AgNP’s are spherical and size ranges from 70–80 nm. As the incubation time proceeds after 12, 24 and 48 hours the number of colonies decreased in AEIC and AgNP treated samples. These results showed that AgNP’s of I.cylindrica treated sample has the good ability to inhibit E.coli, Salmonella, Phosphate solubilizing bacteria and Shigella in domestic sewage water when compared to AEIC in 48 hours.
Highlights
Nanotechnology plays an important role in producing and utilizing nano size particles (Khatoon et al, 2017)
Preparation of aqueous extract of the Imperata cylindrica for silver Nanoparticle synthesis g of dried stem and leaves of Imperata cylindrica was crushed finely and mixed in 100 ml of Milliq water and kept in shaker at 37 °C for one hour filtered with Whattman number 1 filter paper and extract was made up to 100 ml with distilled water
Antibacterial effect of Silver Nanoparticles and Aqueous extract of Imperata cylindrica Presence of Bacteria in Domestic waste water was determined by pour plate method (Dosoky et al, 2015)
Summary
Nanotechnology plays an important role in producing and utilizing nano size particles (Khatoon et al, 2017). Imperata cylindrica used in traditional Chinese medicine (Firdhouse & Lalitha, 2013). It has pharmacological effects such as Febrile, Anthelmintic, Anti diabetes, Anti diarrohea and used in treatment of wound healing and Nose bleeding (Gangula et al, 2011). Comparative study of biological synthesized silver Imperata cylindrica on its efficiency against bacterial contaminants isolated from domestic waste water was carried out. Journal of Environmental Engineering and Landscape Management, 2021, 29(4): 484–488
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