Ethidium bromide is a sensitive fluorescent stain for visualizing DNA in agarose and polyacrylamide gels. It is excited with a standard 302 nm UV transilluminator and emits a red-orange signal that can be photographed with Polaroid film or with a CCD-based gel documentation system.
Ethidium Bromide Solution
Bio-Rad premixed ethidium bromide solution eliminates preparation steps and minimizes exposure to hazardous ethidium bromide. Ethidium bromide solution is supplied as a 10 mg/ml solution in 10 ml bottles.