Development of a Colorimetric Paper Sensor for Hg[sup.2+] Detection in Water Using Cyanuric Acid-Conjugated Gold Nanoparticles
Hg[sup.2+] is one of the most dangerous pollutants that can cause damage to organs and the immune system. The common detection methods of Hg[sup.2+] require sophisticated instrumentation and a long time for analysis. The purpose of this study was to develop a sensor for the detection of Hg[sup.2+] u...
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| Veröffentlicht in: | Molecules (Basel, Switzerland) Switzerland), 2023-09, Vol.28 (18) |
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| container_title | Molecules (Basel, Switzerland) |
| container_volume | 28 |
| creator | Saputri, Febrina Amelia Zubaidah, Eka Ulya Kenanga, Amaranggani Wikan Puspita Jatmika, Catur Pratiwi, Rimadani Dhumale, Vinayak A |
| description | Hg[sup.2+] is one of the most dangerous pollutants that can cause damage to organs and the immune system. The common detection methods of Hg[sup.2+] require sophisticated instrumentation and a long time for analysis. The purpose of this study was to develop a sensor for the detection of Hg[sup.2+] using filter paper immobilized by gold nanoparticles (AuNPs) conjugated with cyanuric acid (CA). The clear color change from pink to bluish purple is the response of the CA-AuNPs filter paper sensor to exposure to Hg[sup.2+]. Detection can be observed visually with the naked eye and/or with imageJ software; the detection limit is 0.05 µM. The colorimetric response of the sensor was also selective towards Hg[sup.2+] after testing with different metal ions. In addition, the response from the sensor was also consistent for lake water samples spiked with Hg[sup.2+]. The results of this research provide a promising basic technology for the development of sensors that are affordable, fast, portable, and easy to use for the detection and monitoring of Hg[sup.2+] levels in water. |
| doi_str_mv | 10.3390/molecules28186527 |
| format | Article |
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The common detection methods of Hg[sup.2+] require sophisticated instrumentation and a long time for analysis. The purpose of this study was to develop a sensor for the detection of Hg[sup.2+] using filter paper immobilized by gold nanoparticles (AuNPs) conjugated with cyanuric acid (CA). The clear color change from pink to bluish purple is the response of the CA-AuNPs filter paper sensor to exposure to Hg[sup.2+]. Detection can be observed visually with the naked eye and/or with imageJ software; the detection limit is 0.05 µM. The colorimetric response of the sensor was also selective towards Hg[sup.2+] after testing with different metal ions. In addition, the response from the sensor was also consistent for lake water samples spiked with Hg[sup.2+]. The results of this research provide a promising basic technology for the development of sensors that are affordable, fast, portable, and easy to use for the detection and monitoring of Hg[sup.2+] levels in water.</description><identifier>ISSN: 1420-3049</identifier><identifier>EISSN: 1420-3049</identifier><identifier>DOI: 10.3390/molecules28186527</identifier><language>eng</language><publisher>MDPI AG</publisher><subject>Fluorescence spectroscopy ; Sensors</subject><ispartof>Molecules (Basel, Switzerland), 2023-09, Vol.28 (18)</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,27901,27902</link.rule.ids></links><search><creatorcontrib>Saputri, Febrina Amelia</creatorcontrib><creatorcontrib>Zubaidah, Eka Ulya</creatorcontrib><creatorcontrib>Kenanga, Amaranggani Wikan Puspita</creatorcontrib><creatorcontrib>Jatmika, Catur</creatorcontrib><creatorcontrib>Pratiwi, Rimadani</creatorcontrib><creatorcontrib>Dhumale, Vinayak A</creatorcontrib><title>Development of a Colorimetric Paper Sensor for Hg[sup.2+] Detection in Water Using Cyanuric Acid-Conjugated Gold Nanoparticles</title><title>Molecules (Basel, Switzerland)</title><description>Hg[sup.2+] is one of the most dangerous pollutants that can cause damage to organs and the immune system. The common detection methods of Hg[sup.2+] require sophisticated instrumentation and a long time for analysis. The purpose of this study was to develop a sensor for the detection of Hg[sup.2+] using filter paper immobilized by gold nanoparticles (AuNPs) conjugated with cyanuric acid (CA). The clear color change from pink to bluish purple is the response of the CA-AuNPs filter paper sensor to exposure to Hg[sup.2+]. Detection can be observed visually with the naked eye and/or with imageJ software; the detection limit is 0.05 µM. The colorimetric response of the sensor was also selective towards Hg[sup.2+] after testing with different metal ions. In addition, the response from the sensor was also consistent for lake water samples spiked with Hg[sup.2+]. 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The common detection methods of Hg[sup.2+] require sophisticated instrumentation and a long time for analysis. The purpose of this study was to develop a sensor for the detection of Hg[sup.2+] using filter paper immobilized by gold nanoparticles (AuNPs) conjugated with cyanuric acid (CA). The clear color change from pink to bluish purple is the response of the CA-AuNPs filter paper sensor to exposure to Hg[sup.2+]. Detection can be observed visually with the naked eye and/or with imageJ software; the detection limit is 0.05 µM. The colorimetric response of the sensor was also selective towards Hg[sup.2+] after testing with different metal ions. In addition, the response from the sensor was also consistent for lake water samples spiked with Hg[sup.2+]. The results of this research provide a promising basic technology for the development of sensors that are affordable, fast, portable, and easy to use for the detection and monitoring of Hg[sup.2+] levels in water.</abstract><pub>MDPI AG</pub><doi>10.3390/molecules28186527</doi></addata></record> |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Fluorescence spectroscopy Sensors |
| title | Development of a Colorimetric Paper Sensor for Hg[sup.2+] Detection in Water Using Cyanuric Acid-Conjugated Gold Nanoparticles |
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