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A Transilluminator is a device used for visualizing fluorescently labeled molecules such as nucleic acids or proteins within a gel matrix during gel electrophoresis experiments. It emits UV light that excites fluorescent dyes incorporated into the biomolecules, causing them to emit visible light that can be captured and analyzed using imaging systems. Transilluminators are available in various wavelengths and sizes to accommodate different fluorescent dyes and gel sizes. Key specifications include:

• Wavelength options: UV or blue light transilluminators with specific wavelengths suitable for excitation of common fluorescent dyes such as ethidium bromide or SYBR Green
• Filter options: Interchangeable filters or filter wheels for selecting specific wavelengths and optimizing fluorescence detection sensitivity
• Illumination area: Uniform illumination across the entire gel surface for consistent and reliable visualization of fluorescent bands
• Safety features: UV-blocking shields, protective covers, and automatic shut-off mechanisms to minimize UV exposure and ensure user safety
• Compatibility: Compatibility with electrophoresis systems, gel documentation systems, and imaging software for seamless integration into gel analysis workflows