Colorimetric Sensing of Toxic Metal and Antibacterial Studies by Using Bioextract Synthesized Silver Nanoparticles

Journal Article · Wed Nov 15 04:00:00 EST 2017 · Journal of Fluorescence (Online)

DOI:https://doi.org/10.1007/S10895-017-2143-X· OSTI ID:22795733

Al-Sehemi, A. G. ^[1]; Alrumman, S. ^[2]; Du, G. ^[3]; Pannipara, M. ^[4]; Assiri, Mohammed ^[1]; Almalki, Hussain ^[5]; Moustafa, Mahmoud F. ^[2]

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1. King Khalid University, Department of Chemistry, Faculty of Science (Saudi Arabia)
2. King Khalid University, Department of Biology, Faculty of Science (Saudi Arabia)
3. Zhejiang Normal University, Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry (China)
4. King Khalid University, Research Center for Advanced Materials Science (RCAMS) (Saudi Arabia)
5. Umm Al-Qura University, Department of Chemistry, University College in Al-Qunfudah (Saudi Arabia)

Here, we report the simple and cost effective colorimetric technique for the determination of toxic metals (Hg{sup 2+}) 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.

• OSTI ID: 22795733
• Journal Information: Journal of Fluorescence (Online), Journal Name: Journal of Fluorescence (Online) Journal Issue: 6 Vol. 27; ISSN 1573-4994
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
CANDIDA
INFRARED SPECTRA
KLEBSIELLA
MERCURY IONS
MICROCOCCUS LUTEUS
NANOPARTICLES
PROTEUS
PSEUDOMONAS
SCANNING ELECTRON MICROSCOPY
SHIGELLA
SILVER
SPECTROSCOPY
STAPHYLOCOCCUS