Fluorogenic dyes, autofluorescence, and genetically engineered autofluorescence can be used to identify cells.

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Fluorogenic dyes, autofluorescence, and genetically engineered autofluorescence are commonly used to identify cells. Fluorogenic dyes are often specific to certain types of cells or structures within cells, and can be activated by specific wavelengths of light. Autofluorescence refers to the natural fluorescent properties of certain molecules within cells, such as chlorophyll and flavins. Genetically engineered autofluorescence involves introducing genes for fluorescent proteins, such as green fluorescent protein (GFP), into cells. All of these methods can be used to identify and study cells in various contexts, including microscopy and flow cytometry.

Fluorogenic Dyes, Autofluorescence, and Genetically Engineered Autofluorescence Can Be Used