Glossary Term: Fluorescent Marker

Fluorescent labelling is the process of covalently attaching a fluorophore to another molecule, such as a protein or nucleic acid. This is generally accomplished using a reactive derivative of the fluorophore that selectively binds to a functional group contained in the target molecule. The most commonly labelled molecules are antibodies, proteins, amino acids and peptides which are then used as specific probes for detection of a particular target. Fluorescent labels are generally used for detection of a protein or other labeled molecule via a fluorescence microscope, flow cytometer or some other fluorescence reading instrument. These can be useful in localization of a target within a cell, flow cytometry (FACS) analysis, western blot assays, and other immunoanalytical methods.

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Created: 2019-06-24 09:06:19 PDT (-0700)
Last modified: 2019-06-24 09:06:19 PDT (-0700)