Flow cytometry is a technology based on laser analysis and sorting of cells. This technology uses a laser light source to generate scattering and fluorescent signals, and a detector such as photodiodes or photomultiplier tubes reads these signals. These signals are then converted into electronic signals and analyzed by a computer. According to their fluorescence or light scattering properties, the particles, molecules or cells can be individually quantified and qualitatively characterized. It can also perform cell sorting, that is, physically separate specific subpopulations from a heterogeneous population.