Popis: |
Flow cytometry is a technology that simultaneously measures and analyses multiple physical characteristics of single particles, usually cells, as they flow in a fluid stream through a beam of light. The properties measured include a particle’s relative size (represented by forward angle light scatter), relative granularity or internal complexity (represented by right-angle scatter), and relative fluorescence intensity. These characteristics are determined using an optical-to-electronic coupling system which records how the cell or particle scatters incident laser light and emits fluorescence. A wide range of dyes, which may bind or intercalate with different cellular components, can be used as labels for applications in a number of fields, including molecular biology, immunology, plant biology, marine biology and environmental microbiology. Interest in rapid methods and automation for prokaryotic cell studies in environmental microbiology has been growing over the past few years. |