New transilluminators with high-performance blue light LEDs are available for gel documentation purposes. Blue light transilluminators are an interesting alternative to ultraviolet (UV) tables as there is no risk of sample damage during illumination, which is important for processing samples following gel documentation. The transilluminators also benefit users, as there is no risk of UV exposure. Blue light excitation can be used with fluorescent dyes for nucleic acid or for protein stains that have an excitation wavelength around 470 nm.
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