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Biosensor for rapid phosphate monitoring in sequencing batch reactor (SBR) system
Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.ORCID iD: 0000-0003-3274-6029
Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
2003 (English)In: Biosensors & bioelectronics, ISSN 0956-5663, E-ISSN 1873-4235, Vol. 19, no 3, 233-237 p.Article in journal (Refereed) Published
Abstract [en]

A thick-film phosphate biosensor based on hydrogel immobilized pyruvate oxidase (POD) has been developed for rapid phosphate process control monitoring in an experimental sequencing batch reactor (SBR) system. We have employed a phosphate biosensor in an off-line monitoring of phosphate concentrations in a bench scale SBR. Measurements with biosensor show a good correlation (r2=0.98) with those of commercial colorimetric phosphate testing kits. The signal response time was 1 min with a detection limit of 5 microM. The biosensor method showed a good operational stability, needed less experimental procedures and a small sample size (approximately 20 microl). This allows its practical application for rapid phosphate measurements to obtain real time process data in a SBR system.

Place, publisher, year, edition, pages
Elsevier, 2003. Vol. 19, no 3, 233-237 p.
Keyword [en]
Phosphate biosensor; Pyruvate oxidase; Thick-film electrode; Sequencing batch reactor (SBR); Flow-injection-analysis (FIA)
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-92117DOI: 10.1016/S0956-5663(03)00209-4PubMedID: 14611759OAI: oai:DiVA.org:liu-92117DiVA: diva2:620165
Available from: 2013-05-07 Created: 2013-05-07 Last updated: 2017-12-06Bibliographically approved

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Mak, Wing Cheung

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CiteExportLink to record
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  • apa
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  • modern-language-association-8th-edition
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  • fi-FI
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  • nn-NB
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