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IoT electrochemical sensor with integrated ▫$Ni(OH)_2–Ni$▫ nanowires for detecting formaldehyde in tap waterTrafela, Špela ...Simple, low-cost methods for sensing volatile organic compounds that leave no trace and do not have a detrimental effect on the environment are able to protect communities from the impacts of ... contaminants in water supplies. This paper reports the development of a portable, autonomous, Internet of Things (IoT) electrochemical sensor for detecting formaldehyde in tap water. The sensor is assembled from electronics, i.e., a custom-designed sensor platform and developed HCHO detection system based on Ni(OH)2–Ni nanowires (NWs) and synthetic-paper-based, screen-printed electrodes (pSPEs). The sensor platform, consisting of the IoT technology, a Wi-Fi communication system, and a miniaturized potentiostat can be easily connected to the Ni(OH)2–Ni NWs and pSPEs via a three-terminal electrode. The custom-made sensor, which has a detection capability of 0.8 µM/24 ppb, was tested for an amperometric determination of the HCHO in deionized (DI) and tap-water-based alkaline electrolytes. This promising concept of an electrochemical IoT sensor that is easy to operate, rapid, and affordable (it is considerably cheaper than any lab-grade potentiostat) could lead to the straightforward detection of HCHO in tap water.Source: Sensors [Elektronski vir]. - ISSN 1424-8220 (Vol. 23, iss. 10, [article no.] 4676, May 2023, str. 1-11)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 153733635
Author
Trafela, Špela |
Krishnamurthy, Abhilash |
Žagar, Kristina, 1981- |
Kavčič, Urška, 1985- |
Karlovits, Igor |
Klopčič, Beno |
Šturm, Sašo |
Žužek Rožman, Kristina
Topics
Formaldehid |
Nikelj |
Pitna voda |
elektrokemični senzorji |
voda s pipe |
formaldehyde |
electrochemical sensor |
nickel |
tap water
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Trafela, Špela | 38204 |
Krishnamurthy, Abhilash | |
Žagar, Kristina, 1981- | 28491 |
Kavčič, Urška, 1985- | 31400 |
Karlovits, Igor | 39463 |
Klopčič, Beno | 06016 |
Šturm, Sašo | 19030 |
Žužek Rožman, Kristina | 18824 |
Source: Personal bibliographies
and: SICRIS
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