Comparing the Antibacterial Activity of Silver Nanoparticles Synthesised Using Garlic Extract and Celery Leaf Extract and Implementing in Domestic Point Use filters
International Journal of Agriculture & Environmental Science |
© 2017 by SSRG - IJAES Journal |
Volume 4 Issue 3 |
Year of Publication : 2017 |
Authors : S. Priyanka, A. Merline Sheela |
How to Cite?
S. Priyanka, A. Merline Sheela, "Comparing the Antibacterial Activity of Silver Nanoparticles Synthesised Using Garlic Extract and Celery Leaf Extract and Implementing in Domestic Point Use filters," SSRG International Journal of Agriculture & Environmental Science, vol. 4, no. 3, pp. 24-33, 2017. Crossref, https://doi.org/10.14445/23942568/IJAES-V4I3P105
Abstract:
Drinking water disinfection is the most important criterion in water treatment system and chlorination is the most commonly adopted disinfection method in India. There is a wide spread potential for human exposure to disinfection by-products. As an alternative to chlorination, Silver nanoparticles (AgNPs) which are known for their excellent antimicrobial activity, are used as disinfecting agent in this study. The synthesis of AgNPs uses many toxic chemicals and hence a green synthesis method is used in this study. AgNPs are synthesised using Silver Nitrate solution and garlic and celery leaf extract which act as a reducing agent for producing AgNPs. The synthesized AgNPs were characterized using UV-vis spectroscopy, particle size analysis, zeta potential analysis and FT-IR spectroscopy. The most effective antibacterial activity of AgNP solution was found using well diffusion method on Escherichia coli and Staphylococcus aureus and was found that, the garlic AgNPs have more antibacterial activity than celery AgNPs and the minimum effective antibacterial activity was found at the concentration of 100μL/mL on both species. The selected concentration of garlic AgNP solution was applied on point of use filter called ceramic pot filter and then tested with the water sample containing bacterial growth. The result showed nil bacterial growth and residual AgNP concentration in treated water. Finally the cost comparison of other common point use filter with that of AgNP coated ceramic pot filter was done, which showed AgNP coated ceramic pot filter is the cheapest and safest filters for domestic use.
Keywords:
Green synthesis, Silver nanoparticles, antibacterial activity, ceramic pot filter
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