Abstract
Here, we report the simple and cost effective colorimetric technique for the determination of toxic metals (Hg2+) in aqueous sample by using bioextract silver nanoparticles (AgNPs). The indigenous AgNPs were synthesised by green and ecologically friendly style using extract of fig (Ficus carica) leaf. The synthesized AgNPs were confirmed by UV–vis spectroscopy, FT-IR spectroscopy, and scanning electron microscopy methods. The synthesis of AgNPs was observed by its colour changing from light yellow to dark brownish. The existence of furanocoumarins bioactive materials in the fig leaf extract, which act as bio-reducing and capping agent, help in the formation of stabilized silver nanoparticles. In addition, the bacterial activity of the synthesized silver nanoparticles was tested against gram-negative (Klebsiella oxytocam, Pseudomonas aeruginosam, Shigella flexneri and Proteus mirabilis), gram-positive (Staphylococcus aureus and Micrococcus luteus) and one Candida (Candida albicans) human pathogen and the results showed moderate activity.
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Authors are thankful to the Dean of Scientific Research and Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia for the technical and administrative support. We are also thankful to the head of Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia for providing facilities to carry out the research work.
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Kalam, A., Al-Sehemi, A.G., Alrumman, S. et al. Colorimetric Sensing of Toxic Metal and Antibacterial Studies by Using Bioextract Synthesized Silver Nanoparticles. J Fluoresc 27, 2045–2050 (2017). https://doi.org/10.1007/s10895-017-2143-x
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DOI: https://doi.org/10.1007/s10895-017-2143-x