Monitoring of drinking water quality using automated ATP quantification

C. B. Hansen, A. Kerrouche, K. Tatari, A. Rasmussen, T. Ryan, P. Summersgill, M. P.Y. Desmulliez, H. Bridle*, Hans-Jørgen Albrechtsen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A microfluidic based system was developed for automated online method for the rapid detection and monitoring of drinking water contamination utilising microbial Adrenosine-5′-Triphosphate (ATP) as a bacterial indicator. The system comprises a polymethyl methacrylate based microfluidic cartridge inserted into an enclosure incorporating the functions of fluid storage and delivery, lysis steps and real-time detection. Design, integration and operation of the resulting automated system are reported, including the lysis method, the design of the mixing circuit, the choices of flow rate, temperature and reagent amount. Calibration curves of both total and free ATP were demonstrated to be highly linear over a range from 2.5–5000 pg/mL with the limit of detection being lower than 2.5 pg/mL of total ATP. The system was trialled in a lab study with different types of water, with lysis efficiency being found to be strongly dependent upon water type. Further development is required before online implementation.

Original languageEnglish
Article number105713
JournalJournal of Microbiological methods
Volume165
Number of pages6
ISSN0167-7012
DOIs
Publication statusPublished - 2019

Keywords

  • ATP
  • Drinking water
  • Microbial contamination
  • Microfluidics
  • Monitoring

Cite this

Hansen, C. B. ; Kerrouche, A. ; Tatari, K. ; Rasmussen, A. ; Ryan, T. ; Summersgill, P. ; Desmulliez, M. P.Y. ; Bridle, H. ; Albrechtsen, Hans-Jørgen. / Monitoring of drinking water quality using automated ATP quantification. In: Journal of Microbiological methods. 2019 ; Vol. 165.
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abstract = "A microfluidic based system was developed for automated online method for the rapid detection and monitoring of drinking water contamination utilising microbial Adrenosine-5′-Triphosphate (ATP) as a bacterial indicator. The system comprises a polymethyl methacrylate based microfluidic cartridge inserted into an enclosure incorporating the functions of fluid storage and delivery, lysis steps and real-time detection. Design, integration and operation of the resulting automated system are reported, including the lysis method, the design of the mixing circuit, the choices of flow rate, temperature and reagent amount. Calibration curves of both total and free ATP were demonstrated to be highly linear over a range from 2.5–5000 pg/mL with the limit of detection being lower than 2.5 pg/mL of total ATP. The system was trialled in a lab study with different types of water, with lysis efficiency being found to be strongly dependent upon water type. Further development is required before online implementation.",
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Hansen, CB, Kerrouche, A, Tatari, K, Rasmussen, A, Ryan, T, Summersgill, P, Desmulliez, MPY, Bridle, H & Albrechtsen, H-J 2019, 'Monitoring of drinking water quality using automated ATP quantification', Journal of Microbiological methods, vol. 165, 105713. https://doi.org/10.1016/j.mimet.2019.105713

Monitoring of drinking water quality using automated ATP quantification. / Hansen, C. B.; Kerrouche, A.; Tatari, K.; Rasmussen, A.; Ryan, T.; Summersgill, P.; Desmulliez, M. P.Y.; Bridle, H.; Albrechtsen, Hans-Jørgen.

In: Journal of Microbiological methods, Vol. 165, 105713, 2019.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - Monitoring of drinking water quality using automated ATP quantification

AU - Hansen, C. B.

AU - Kerrouche, A.

AU - Tatari, K.

AU - Rasmussen, A.

AU - Ryan, T.

AU - Summersgill, P.

AU - Desmulliez, M. P.Y.

AU - Bridle, H.

AU - Albrechtsen, Hans-Jørgen

PY - 2019

Y1 - 2019

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AB - A microfluidic based system was developed for automated online method for the rapid detection and monitoring of drinking water contamination utilising microbial Adrenosine-5′-Triphosphate (ATP) as a bacterial indicator. The system comprises a polymethyl methacrylate based microfluidic cartridge inserted into an enclosure incorporating the functions of fluid storage and delivery, lysis steps and real-time detection. Design, integration and operation of the resulting automated system are reported, including the lysis method, the design of the mixing circuit, the choices of flow rate, temperature and reagent amount. Calibration curves of both total and free ATP were demonstrated to be highly linear over a range from 2.5–5000 pg/mL with the limit of detection being lower than 2.5 pg/mL of total ATP. The system was trialled in a lab study with different types of water, with lysis efficiency being found to be strongly dependent upon water type. Further development is required before online implementation.

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