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Microchimica Acta

, Volume 178, Issue 1–2, pp 7–28 | Cite as

Recent developments in rapid multiplexed bioanalytical methods for foodborne pathogenic bacteria detection

  • Aldo RodaEmail author
  • Mara Mirasoli
  • Barbara Roda
  • Francesca Bonvicini
  • Carolina Colliva
  • Pierluigi Reschiglian
Review Article

Abstract

Foodborne illnesses caused by pathogenic bacteria represent a widespread and growing problem to public health, and there is an obvious need for rapid detection of food pathogens. Traditional culture-based techniques require tedious sample workup and are time-consuming. It is expected that new and more rapid methods can replace current techniques. To enable large scale screening procedures, new multiplex analytical formats are being developed, and these allow the detection and/or identification of more than one pathogen in a single analytical run, thus cutting assay times and costs. We review here recent advancements in the field of rapid multiplex analytical methods for foodborne pathogenic bacteria. A variety of strategies, such as multiplex polymerase chain reaction assays, microarray- or multichannel-based immunoassays, biosensors, and fingerprint-based approaches (such as mass spectrometry, electronic nose, or vibrational spectroscopic analysis of whole bacterial cells), have been explored. In addition, various technological solutions have been adopted to improve detectability and to eliminate interferences, although in most cases a brief pre-enrichment step is still required. This review also covers the progress, limitations and future challenges of these approaches and emphasizes the advantages of new separative techniques to selectively fractionate bacteria, thus increasing multiplexing capabilities and simplifying sample preparation procedures.

Figure

New analytical formats are under development to allow multiplexed detection of foodborne pathogens, thus cutting assay times and costs and enabling large scale screening procedures. A variety of analytical strategies are being explored to reach this goal. This review covers the recent progresses, limitations and future challenges of these approaches

Keywords

Food safety Pathogenic bacteria Multiplex assays Rapid assays Biosensors 

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Aldo Roda
    • 1
    • 2
    Email author
  • Mara Mirasoli
    • 1
    • 2
  • Barbara Roda
    • 3
  • Francesca Bonvicini
    • 4
  • Carolina Colliva
    • 1
  • Pierluigi Reschiglian
    • 3
  1. 1.Analytical and Bioanalytical Chemistry Laboratory, Department of Pharmaceutical SciencesUniversity of BolognaBolognaItaly
  2. 2.National Institute of Biostructure and Biosystems, N.I.B.BInteruniversity ConsortiumRomeItaly
  3. 3.Department of Chemistry “G. Ciamician”University of BolognaBolognaItaly
  4. 4.Microbiology Section, Department of Haematology and Oncological Sciences “L. e A. Seragnoli”University of BolognaBolognaItaly

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