1. Salvia tiliifolia leaf extract-based silver nanoparticles for colorimetric detection of Hg(II) in food and environmental samples.
- Author
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Mume, Lencho, Kebede, Molash, Bekana, Deribachew, Tan, Zhiqiang, and Amde, Meseret
- Subjects
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ENVIRONMENTAL sampling , *SILVER nanoparticles , *SALVIA , *MINERAL waters , *MINERALS in water , *DRINKING water , *MERCURY , *PLANT extracts - Abstract
In the present research, we provide easy, quick, ultrasensitive, inexpensive, and non-toxic plasmonic sensors using silver nanoparticles (AgNPs). The AgNPs were biosynthesized utilizing Salvia tiliifolia leaf extract and well characterized by various techniques, and then employed to design a colorimetric method enabling Hg(II) sensing. The designed sensor seems very sensitive as well as specific for Hg(II), having limits of detection at 5.0 nM and 0.27 nM through the naked eye and UV–vis detection, sequentially. In addition, the technique showed good precision (intra- and inter-day RSD values were 2.4 % and 4.9 %, respectively) as well as linearity (R2 = 0.9984 over the 0.1–100 µM interval). The actual utilization of the proposed AgNPs-based sensors has been examined in various real samples, including wastewater effluent, lake water, drinking water, soft drinks, mineral water, and canned light tuna. The percentages of recovery of the tested samples varied from 88.0 % to 110 %, demonstrating the method's considerable application. In a nutshell, the method is greener, has tremendous advantages, and has been suggested to detect Hg(II) in foods and environmental samples. • Salvia tiliifolia leaf extract-based AgNPs were synthesized and characterized. • The biosynthesized AgNPs were used for colorimetric detection of Hg(II). • The developed sensor revealed excellent linearity, sensitivity, and precision. • The sensor can detect Hg(II) in various food and environmental samples. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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