1 Introduction.- 2 Fluorescence cytometry for the rapid analysis of food microorganisms.- 2.1 Introduction.- 2.2 Optical analysis.- 2.2.1 Flow cytometry.- 2.2.2 Confocal scanning cytometry.- 2.3 Light sources for optical cytometry.- 2.4 Parameters measurable by optical techniques.- 2.4.1 Fluorescent labelling techniques.- 2.5 Research studies.- 2.5.1 Identification of bacteria by light scatter and nucleic acid staining.- 2.5.2 Identification of bacteria...