NGS Library quantification —the library product is quantified using a fluorescent dye with concentration determined by comparison to a DNA standard curve. SpectraMax Gemini XPS microplate reader Develop new fluorescence assays without having to purchase expensive filter sets. The top reading Gemini XPS microplate reader, with dual-monochromators, lets you experiment with a variety of fluorophores, and can even find the best excitation and emission wavelengths for your new assays. Multiple-point well scanning optimises cell-based assay sensitivity.