4-Benzyl Pyrazolone Functionalized Gold Nanoparticles for Fluorescence Sensing and Detection of Al 3+ Ion in Water Samples

Mariam Abubaker; Che Wan Zanariah Che Wan Ngah; Musa Ahmad; Bambang Kuswandi

doi:10.20944/preprints201808.0153.v1

Preprint Article Version 1 This version is not peer-reviewed

Version 1 : Received: 7 August 2018 / Approved: 8 August 2018 / Online: 8 August 2018 (03:53:55 CEST)

A new type of gold nanoparticles was synthesized by using benzoyl pyrazolone as a capping agent. The synthesized AuNPs exhibited a spherical shape and a monodisperse and fluorescence emission characteristic peak at 650 nm. The AuNPs –BMPBP was demonstrated as sensitive and selective fluorescent chemosensor for detection of Al ³⁺ ion. In the presence of Al ³⁺ ion, the fluorescent emission of BMPBP-AuNPs at 650 nm, increased with an increasing concentration of Al ³⁺ ion with a low detection limit (2 µM), the proposed method provided to apply determination of Al ³⁺ ion of tap water with satisfactory results.

4-benzoyl pyrazolone; fluorescence sensing; functionalized gold nanoparticles; detection Al3+ ion

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4-Benzyl Pyrazolone Functionalized Gold Nanoparticles for Fluorescence Sensing and Detection of Al ³⁺ Ion in Water Samples

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