Strategene Transilluminator 2040EV

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The Stratagene 2040EV transilluminator with high-frequency electronic ballasts and variable intensity control can be used for viewing and photographing agarose or polyacrylamide gels (up to 20 x 40cm) used to separate DNA or RNA fragments. These fragments can be stained using either ethidium bromide or acridine orange. Both stains produce visible fluorescence when exposed to Ultraviolet light.
The outout intensity is continuously variable - from 100% to virtually 0% - greatly reducing the risk of photonicking and photobleahing DNA or RNA gels, allowing the user to adjust the signal for maximum dynamic range. The 312nm wavelength bulbs in the 2040EV transilluminator also function at the optimal wavelength for excitation of ethidium bromide.