Related Experiment Video
Updated: Jan 16, 2026

06:45
Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains
Published on: January 18, 2014
9.0K
Performance qualification of impedance flow cytometry as a rapid in-process control proxy for Colony-forming units in
Peter Lüttge Jordal1, Marcos González Díaz1, Frederik Aalund1
1SBT Instruments A/S, Symfonivej 37, DK-2730 Herlev, Denmark.
Journal of Microbiological Methods
|October 1, 2025
Abstract
None:
Impedance flow cytometry (IFC) was evaluated against colony-forming units (CFU) for six bacterial genera. Across exponential, deceleration, and stationary phases, IFC correlated near-perfectly with CFU method (R2 ≈ 1). Divergence occurred in death stage. IFC supports decision-making on when to transfer and harvest bacteria in active fermentation processes.
Keywords:
Colony-forming unitsFermentationImpedance flow cytometryPerformance qualificationReal-timeValidation
