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https://hdl.handle.net/10356/154593
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Zhao, Ke | en_US |
dc.contributor.author | Veksha, Andrei | en_US |
dc.contributor.author | Ge, Liya | en_US |
dc.contributor.author | Lisak, Grzegorz | en_US |
dc.date.accessioned | 2021-12-29T01:14:57Z | - |
dc.date.available | 2021-12-29T01:14:57Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Zhao, K., Veksha, A., Ge, L. & Lisak, G. (2021). Near real-time analysis of para-cresol in wastewater with a laccase-carbon nanotube-based biosensor. Chemosphere, 269, 128699-. https://dx.doi.org/10.1016/j.chemosphere.2020.128699 | en_US |
dc.identifier.issn | 0045-6535 | en_US |
dc.identifier.uri | https://hdl.handle.net/10356/154593 | - |
dc.description.abstract | Para-Cresol is a water-soluble organic pollutant, which is harmful to organisms even at low concentrations. Therefore, it is important to rapidly detect the p-cresol in wastewater as well as natural water. In this work, a new, simple and stable biosensor was developed for on-site quantitatively determination and near real-time monitoring p-cresol in wastewater. The new biosensor was designed and fabricated using a screen-printed carbon electrode (SPCE) modified by waste-derived carbon nanotubes (CNTs) immobilized with laccase (LAC). The fabrication processes and performance of the biosensors were systematically characterized and optimized by Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscope (FESEM), transmission electron microscopy (TEM) and electrochemical methods. With improved conductivity, the proposed biosensor could provide the direct quantitation of p-cresol. The linear range of the biosensor is 0.2-25 ppm of p-cresol with a detection limit of 0.05 ppm. Additionally, the biosensor exhibited high reproducibility, stability and reusability during the validation. More importantly, the biosensor was successfully applied for the rapid detection of p-cresol in environmental lab wastewater under the interference of metal ions and other organics, and the results were consistent with high-performance liquid chromatography (HPLC). Finally, the biosensor with a portable potentiostat was approved as an easy-to-use, sensitive and inexpensive platform that could provide near real-time monitoring of p-cresol concentration in wastewater during Fenton oxidation treatment process. | en_US |
dc.description.sponsorship | Nanyang Technological University | en_US |
dc.description.sponsorship | National Environmental Agency (NEA) | en_US |
dc.language.iso | en | en_US |
dc.relation | NEA/ETD/R&DPROJ/CTWL-2018-4D-03 | en_US |
dc.relation.ispartof | Chemosphere | en_US |
dc.rights | © 2020 Elsevier Ltd. All rights reserved. | en_US |
dc.subject | Engineering::Civil engineering | en_US |
dc.title | Near real-time analysis of para-cresol in wastewater with a laccase-carbon nanotube-based biosensor | en_US |
dc.type | Journal Article | en |
dc.contributor.school | School of Civil and Environmental Engineering | en_US |
dc.contributor.research | Nanyang Environment and Water Research Institute | en_US |
dc.identifier.doi | 10.1016/j.chemosphere.2020.128699 | - |
dc.identifier.pmid | 33121813 | - |
dc.identifier.scopus | 2-s2.0-85094583983 | - |
dc.identifier.volume | 269 | en_US |
dc.identifier.spage | 128699 | en_US |
dc.subject.keywords | Biosensor | en_US |
dc.subject.keywords | Laccase | en_US |
dc.description.acknowledgement | This work was supported by the National Environment Agency (NEA) of Singapore under the Urban Solutions and Sustainability (USS) Integration Fund [Project Reference No.: NEA/ETD/R&DPROJ/ CTWL-2018-4D-03]. | en_US |
item.fulltext | No Fulltext | - |
item.grantfulltext | none | - |
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