A smart device application for the automated determination of E. coli colonies on agar plates

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  • Technische Universität München (TUM)
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OriginalspracheEnglisch
Seiten (von - bis)959-966
Seitenumfang8
FachzeitschriftEngineering in life sciences
Jahrgang17
Ausgabenummer8
PublikationsstatusVeröffentlicht - 19 Juli 2017

Abstract

The manual counting of colonies on agar plates to estimate the number of viable organisms (so-called colony-forming units–CFUs) in a defined sample is a commonly used method in microbiological laboratories. The automation of this arduous and time-consuming process through benchtop devices with integrated image processing capability addresses the need for faster and higher sample throughput and more accuracy. While benchtop colony counter solutions are often bulky and expensive, we investigated a cost-effective way to automate the colony counting process with smart devices using their inbuilt camera features and a server-based image processing algorithm. The performance of the developed solution is compared to a commercially available smartphone colony counter app and the manual counts of two scientists trained in biological experiments. The comparisons show a high accuracy of the presented system and demonstrate the potential of smart devices to displace well-established laboratory equipment.

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A smart device application for the automated determination of E. coli colonies on agar plates. / Austerjost, Jonas; Marquard, Daniel; Raddatz, Lukas et al.
in: Engineering in life sciences, Jahrgang 17, Nr. 8, 19.07.2017, S. 959-966.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Austerjost J, Marquard D, Raddatz L, Geier D, Becker T, Scheper T et al. A smart device application for the automated determination of E. coli colonies on agar plates. Engineering in life sciences. 2017 Jul 19;17(8):959-966. doi: 10.1002/elsc.201700056
Austerjost, Jonas ; Marquard, Daniel ; Raddatz, Lukas et al. / A smart device application for the automated determination of E. coli colonies on agar plates. in: Engineering in life sciences. 2017 ; Jahrgang 17, Nr. 8. S. 959-966.
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AU - Becker, Thomas

AU - Scheper, Thomas

AU - Lindner, Patrick

AU - Beutel, Sascha

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