Comparison and evaluation of seven different bench-top flow cytometers with a modified six-plexed mycotoxin kit

Arpad Czeh, Abe Schwartz, Frank Mandy, Zsuzsanna Szoke, Balazs Koszegi, Szilvia Feher-Toth, Gyorgy Nagyeri, Pal Jakso, R. Katona, Agnes Kemeny, Gabor Woth, Gyorgy Lustyik

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Many bench-top flow cytometers (b-FCs) are compatible with microsphere-based multiplexed assays. Disciplines implementing b-FCs-based assays are expanding; they include monitoring and validating food quality. A multiplexed platform protocol was evaluated for poly-mycotoxin assays, which is compatible with a variety of b-FC models. The seven instruments included: BD FACSCalibur, BD FACSArray Bioanalyzer, Accuri C6, Partec CyFlow® Space, Beckman Coulter FC 500, Guava EasyCyte Mini, and Luminex 100 . Current reports related to the food industry describe fungal co-infections leading to poly-mycotoxin contamination in grain (Sulyok M, Berthiller F, Krska R, Schuhmacher R, Rapid Commun Mass Spectrom 2006;20:2649-2659). It is imperative to determine whether b-FC-based assays can replace traditional single-mycotoxin enzyme-linked immunosorbent assay (ELISA). A six-plexed poly-mycotoxin kit was tested on seven different b-FCs. The modified kit was initially developed for the BD FACSArray Bioanalyzer (BD Biosciences) (Czeh A, Mandy F, Feher-Toth S, Torok L, Mike Z, Koszegi B, Lustyik G, J Immunol Methods 2012;384:71-80). With the multiplexed platform, it is possible to identify up to six mycotoxin contaminants simultaneously at regional grain collection/transfer/inspection facilities. In the future, elimination of contaminated food threat may be better achieved with the inclusion of b-FCs in the food protection arsenal. A universal protocol, matched with postacquisition software, offers an effective alternative platform compared to using a series of ELISA kits. To support side-by-side evaluation of seven flow cytometers, an instrument-independent fluorescence emission calibration was added to the protocol. All instrument performances were evaluated for strength of agreement based on paired sets of evaluation to predicate method. The results suggest that all b-FCs were acceptable of performing with the multiplexed kit for five of six mycotoxins. For OTA, the detection sensitivity was consistent only for five of the seven instruments.

Original languageEnglish
Pages (from-to)1073-1084
Number of pages12
JournalCytometry Part A
Volume83
Issue number12
DOIs
Publication statusPublished - Dec 2013

Fingerprint

Mycotoxins
Enzyme-Linked Immunosorbent Assay
Psidium
Food
Food Quality
Mycoses
Food Industry
Coinfection
Microspheres
Calibration
Software
Fluorescence

Keywords

  • Antibodies bound to microspheres (ABμS)
  • Bench-top flow cytometry
  • Certified reference material (CRM)
  • Competitive fluorescent microsphere immunoassay (CFIA)
  • Fungal co-infections
  • Instrument independent cross-calibration (IICC)
  • Matrix effects
  • Morpho-spectral space
  • Mycotoxin biotransfer
  • Poly-mycotoxins

ASJC Scopus subject areas

  • Cell Biology
  • Histology
  • Pathology and Forensic Medicine

Cite this

Czeh, A., Schwartz, A., Mandy, F., Szoke, Z., Koszegi, B., Feher-Toth, S., ... Lustyik, G. (2013). Comparison and evaluation of seven different bench-top flow cytometers with a modified six-plexed mycotoxin kit. Cytometry Part A, 83(12), 1073-1084. https://doi.org/10.1002/cyto.a.22335

Comparison and evaluation of seven different bench-top flow cytometers with a modified six-plexed mycotoxin kit. / Czeh, Arpad; Schwartz, Abe; Mandy, Frank; Szoke, Zsuzsanna; Koszegi, Balazs; Feher-Toth, Szilvia; Nagyeri, Gyorgy; Jakso, Pal; Katona, R.; Kemeny, Agnes; Woth, Gabor; Lustyik, Gyorgy.

In: Cytometry Part A, Vol. 83, No. 12, 12.2013, p. 1073-1084.

Research output: Contribution to journalArticle

Czeh, A, Schwartz, A, Mandy, F, Szoke, Z, Koszegi, B, Feher-Toth, S, Nagyeri, G, Jakso, P, Katona, R, Kemeny, A, Woth, G & Lustyik, G 2013, 'Comparison and evaluation of seven different bench-top flow cytometers with a modified six-plexed mycotoxin kit', Cytometry Part A, vol. 83, no. 12, pp. 1073-1084. https://doi.org/10.1002/cyto.a.22335
Czeh, Arpad ; Schwartz, Abe ; Mandy, Frank ; Szoke, Zsuzsanna ; Koszegi, Balazs ; Feher-Toth, Szilvia ; Nagyeri, Gyorgy ; Jakso, Pal ; Katona, R. ; Kemeny, Agnes ; Woth, Gabor ; Lustyik, Gyorgy. / Comparison and evaluation of seven different bench-top flow cytometers with a modified six-plexed mycotoxin kit. In: Cytometry Part A. 2013 ; Vol. 83, No. 12. pp. 1073-1084.
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