Details der Publikation - γ-Irradiated Chitosan Stabilized Silver Nanoparticles as Novel Colorimetric Sensors for Mercury(II) and Iron(II) Detections in Real Samples

γ-Irradiated Chitosan Stabilized Silver Nanoparticles as Novel Colorimetric Sensors for Mercury(II) and Iron(II) Detections in Real Samples

Abstract This contribution presents a novel method for simple and rapid colorimetric detection of Hg(II) and Fe(II) ions in real samples using silver nanoparticles (AgNPs). The AgNPs were green-synthesized in aqueous solution using γ-irradiated chitosan as a reducing and stabilizing agent. The γ-chitosan stabilized AgNPs were found to be spherical with a diameter of 11.39 ± 2.23 nm. The AgNPs are highly selective for Hg(II) and Fe(II) ions, and when Hg(II) is present in solution, the yellowish AgNPs solution is turned to light yellow, while in the presence of Fe(II) the color of the AgNPs solution is changed to dark brown. The change of solution color is proposed via (i) The reoxidation of Ag(0) in AgNPs to Ag(I) for the Hg(II) detection and (ii) The aggregation of AgNPs in solution for the Fe(II) detection. Under optimal conditions, the method exhibits good linearity from 0.5 to 5.0 ppm (r2 = 0.9965) for Hg(II) and from 0.05 to 10.0 ppm (r2 = 0.9994) for Fe(II). The limit of detections (LODs) for Hg(II) and Fe(II) analyses are 0.22 and 0.18 ppm, respectively. Tap waters spiked with both ions show excellent percentage recoveries (93.48–99.53%) with good precision (%RSD < 5%). The developed method was for the first time successfully applied to the assessment of Fe(II) contents in pharmaceutical products, and has potential to be developed as an effective detection kit for assessing Hg(II) and Fe(II) ions in real samples..

Medienart:	E-Artikel

Erscheinungsjahr:	2023
Erschienen:	2023

Enthalten in:	Zur Gesamtaufnahme - volume:48
Enthalten in:	The Arabian journal for science and engineering - 48(2023), 6 vom: 07. Mai, Seite 7825-7839

Sprache:	Englisch

Beteiligte Personen:	Thepchuay, Yanisa [VerfasserIn] Jommala, Nareerat [VerfasserIn] Wonglakhon, Tanakorn [VerfasserIn] Nuengmatcha, Prawit [VerfasserIn] Ninwong, Benjawan [VerfasserIn] Saengsane, Naengnoi [VerfasserIn] Sricharoen, Phitchan [VerfasserIn] Limchoowong, Nunticha [VerfasserIn]

Links:	Volltext [lizenzpflichtig]

BKL:	31.00 / Mathematik: Allgemeines / Mathematik: Allgemeines
Themen:	γ-Irradiated chitosan Colorimetric sensor Green synthesis Iron Mercury Silver nanoparticle

Anmerkungen:	© King Fahd University of Petroleum & Minerals 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

doi:	10.1007/s13369-023-07894-7

funding:
Förderinstitution / Projekttitel:

PPN (Katalog-ID):	OLC2143621981

Internformat


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520			\|a Abstract This contribution presents a novel method for simple and rapid colorimetric detection of Hg(II) and Fe(II) ions in real samples using silver nanoparticles (AgNPs). The AgNPs were green-synthesized in aqueous solution using γ-irradiated chitosan as a reducing and stabilizing agent. The γ-chitosan stabilized AgNPs were found to be spherical with a diameter of 11.39 ± 2.23 nm. The AgNPs are highly selective for Hg(II) and Fe(II) ions, and when Hg(II) is present in solution, the yellowish AgNPs solution is turned to light yellow, while in the presence of Fe(II) the color of the AgNPs solution is changed to dark brown. The change of solution color is proposed via (i) The reoxidation of Ag(0) in AgNPs to Ag(I) for the Hg(II) detection and (ii) The aggregation of AgNPs in solution for the Fe(II) detection. Under optimal conditions, the method exhibits good linearity from 0.5 to 5.0 ppm (r2 = 0.9965) for Hg(II) and from 0.05 to 10.0 ppm (r2 = 0.9994) for Fe(II). The limit of detections (LODs) for Hg(II) and Fe(II) analyses are 0.22 and 0.18 ppm, respectively. Tap waters spiked with both ions show excellent percentage recoveries (93.48–99.53%) with good precision (%RSD < 5%). The developed method was for the first time successfully applied to the assessment of Fe(II) contents in pharmaceutical products, and has potential to be developed as an effective detection kit for assessing Hg(II) and Fe(II) ions in real samples.
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γ-Irradiated Chitosan Stabilized Silver Nanoparticles as Novel Colorimetric Sensors for Mercury(II) and Iron(II) Detections in Real Samples

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