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Cited by 391

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Highly selective Hg2+ colorimetric sensor using green synthesized and unmodified silver nanoparticles

Open access
Farhadi, Khalil, Forough, Mehrdad, Molaei, Rahim, Hajizadeh, Salahaddin, Rafipour, Aysan·2012·Sensors and Actuators B: Chemical

Abstract

Abstract The reaction between biologically green synthesized silver nanoparticles (Ag NPs) and mercury (II) ions was introduced as a new and high potential colorimetric sensor for the selective recognition and monitoring of mercuric ions in aqueous samples. The green synthesized silver nanoparticles were characterized with surface plasmon resonance (SPR) ultraviolet spectroscopy (UV–vis), SEM and X-ray diffraction analysis (XRD) techniques. The fresh biologically synthesized silver nanoparticles are yellowish-brown in color due to the intense SPR absorption band. In the presence of Hg 2+ , the yellow Ag NPs solution was turned to colorless, accompanying the broadening and blue shifting of SPR band. The sensitivity and selectivity of green prepared Ag NPs toward other representative transition-metal ions, alkali metal ions and alkaline earth metal ions were studied. Also the effect of the concentration of Hg 2+ to the Ag NPs was considered and the LOD for mercury (II) ion was 2.2 × 10 −6 mol L −1 . The proposed method has been successfully used for the determination of mercury (II) ions in various water samples.

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Metadata

Authors
Farhadi, K., Forough, M., Molaei, R., Hajizadeh, S., & Rafipour, A.
Venue
Sensors and Actuators B: Chemical
Publisher
Elsevier BV
Published
2012-01
Volume
161
Issue
1
Pages
880-885
ISSN
0925-4005 (ISSN-L)
OpenAlex
W2083945431
Cited by
391
References
27
FWCI
4.42
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Highly selective Hg2+ colorimetric sensor using green synthesized and unmodified silver nanoparticles. https://app.cochat.ai/papers/10.1016/j.snb.2011.11.052
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Farhadi, K., Forough, M., Molaei, R., Hajizadeh, S., & Rafipour, A. (2012). Highly selective Hg2+ colorimetric sensor using green synthesized and unmodified silver nanoparticles. Sensors and Actuators B: Chemical. https://doi.org/10.1016/j.snb.2011.11.052

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.