Impedance microbiology and microbial screening strategy for detecting pathogens in food

S. Flint, A. Naila, R. Bashir

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Impedance microbiology is the detection and quantification of bacterial growth by measuring the electrical impedance change during microbial metabolism which allows the identification of viable and nonviable cells. This method uses various techniques to improve the sensitivity and selectivity of bacterial detection, and these include equivalent circuit analysis, interdigitated array microelectrodes (IDAMs), microchips, biosensors, and nanomaterials for bacterial detection. The advantage of impedance microbiology is that the data can be obtained within a short time, with good sensitivity and selectivity using a small sample. The disadvantages of impedance testing include the contamination issues, the need for specific selective media, and interference from food matrices. Various rapid microbiological testing platforms involving impedance continue to be explored as tools to manage food safety and quality.

Original languageEnglish (US)
Title of host publicationHigh Throughput Screening for Food Safety Assessment
Subtitle of host publicationBiosensor Technologies, Hyperspectral Imaging and Practical Applications
PublisherElsevier Inc.
Pages285-300
Number of pages16
ISBN (Electronic)9780857098078
ISBN (Print)9780857098016
DOIs
StatePublished - Sep 4 2014

Fingerprint

Microbiology
impedance
Pathogens
food pathogens
microbiology
Electric Impedance
Screening
screening
Food safety
Food
Acoustic impedance
Microelectrodes
Testing
Electric network analysis
Nanostructured materials
Metabolism
Biosensors
Equivalent circuits
Contamination
nanomaterials

Keywords

  • Bioreceptors
  • Biosensors
  • Food
  • Impedance
  • Microchips
  • Nanomaterials
  • Pathogens

ASJC Scopus subject areas

  • Engineering(all)
  • Agricultural and Biological Sciences(all)

Cite this

Flint, S., Naila, A., & Bashir, R. (2014). Impedance microbiology and microbial screening strategy for detecting pathogens in food. In High Throughput Screening for Food Safety Assessment: Biosensor Technologies, Hyperspectral Imaging and Practical Applications (pp. 285-300). Elsevier Inc.. https://doi.org/10.1016/B978-0-85709-801-6.00012-5

Impedance microbiology and microbial screening strategy for detecting pathogens in food. / Flint, S.; Naila, A.; Bashir, R.

High Throughput Screening for Food Safety Assessment: Biosensor Technologies, Hyperspectral Imaging and Practical Applications. Elsevier Inc., 2014. p. 285-300.

Research output: Chapter in Book/Report/Conference proceedingChapter

Flint, S, Naila, A & Bashir, R 2014, Impedance microbiology and microbial screening strategy for detecting pathogens in food. in High Throughput Screening for Food Safety Assessment: Biosensor Technologies, Hyperspectral Imaging and Practical Applications. Elsevier Inc., pp. 285-300. https://doi.org/10.1016/B978-0-85709-801-6.00012-5
Flint S, Naila A, Bashir R. Impedance microbiology and microbial screening strategy for detecting pathogens in food. In High Throughput Screening for Food Safety Assessment: Biosensor Technologies, Hyperspectral Imaging and Practical Applications. Elsevier Inc. 2014. p. 285-300 https://doi.org/10.1016/B978-0-85709-801-6.00012-5
Flint, S. ; Naila, A. ; Bashir, R. / Impedance microbiology and microbial screening strategy for detecting pathogens in food. High Throughput Screening for Food Safety Assessment: Biosensor Technologies, Hyperspectral Imaging and Practical Applications. Elsevier Inc., 2014. pp. 285-300
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