Ethidium bromide (Et/Br) is the most commonly used stain for detecting DNA/RNA. The reason for this is its sensitivity and yields a low background and detection limit. The image below shows bands in gel with EtBr and how they fluoresce under UV light. But the major drawback to EtBr is that the it is a potent mutagen and solutions must Be handled with extreme caution and decontaminated pr...
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