Gel Doc, also known as Gel Documentation System, Gel Image System or Gel Imager, is widely used in molecular biology laboratories for the imaging and documentation of nucleic acid and protein polyacrylamide or agarose gels typically stained with ethidium bromide or other fluorophores such as SYBR Green. Generally, a Gel Doc is composed of an ultraviolet (UV) light transilluminator, a hood to shield external light sources and a camera for image capturing.
The new gerneration imger provide the user with an extended applications covering fluorescence and chemiluminescence which camera cooled -60 degree C. The famous brands are Royal Biotech, Vilber Lourmat, Syngene, Kodak, Alpha Innotech, GE, DNR, Bio-Rad.