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- W4282959234 abstract "Detection of trace pollutants in water has become one of the most interesting issues due to its direct relation to human health. This work exploits a simple, novel, cost-effective, and environmentally friendly method to fabricate optical copper nanoparticles (Cu NPs) as an efficient colourimetric sensor using tree gum as a stabilising and capping agent. The localised surface plasmon resonance (LSPR) band of almond gum Cu NPs (ACuNPs) is monitored using ultraviolet-visible (UV-vis) spectroscopy. With an average size of 33 nm, the ACuNPs, which were uniformly spherical, are assessed using high resolution-transmission electron microscopy (HR-TEM). The formation of pure metallic-phase crystalline ACuNPs is illustrated using x-ray diffractometry. The Cu nanostructure determines the thiocyanate (SCN−) ions in an aqueous medium as a colourimetric sensor. The ACuNPs demonstrated sensitive and selective colourimetric detection of SCN− ions based on the decrease in LSPR intensity, as monitored by a UV-vis spectrophotometer. The developed sensor is simple, rapid, and inexpensive compared to those based on precious noble metal nanoparticles and is sensitive to SCN− ions with a detection limit of 0.226 mg/l. This work presents the development of a highly effective and rapid sensor to detect SCN− ions without complex apparatuses." @default.
- W4282959234 created "2022-06-17" @default.
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- W4282959234 date "2022-08-01" @default.
- W4282959234 modified "2023-10-18" @default.
- W4282959234 title "Novel natural exudate as a stabilizing agent for fabrication of copper nanoparticles as a colourimetric sensor to detect trace pollutant" @default.
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- W4282959234 doi "https://doi.org/10.1016/j.surfin.2022.102131" @default.
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