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Innovative dyes for science. Expert solutions for scientists.

Fluorescence-based reagents, kits, and more for life science research.

Featured products

6X GelRed® Prestain Loading Buffer with Tracking Dye

6X GelRed® Prestain Loading Buffers are DNA gel loading buffers containing GelRed® for one-step fluorescent staining and gel loading of DNA, with your choice of blue or orange tracking dyes.

TrueBlack® WB Blocking Buffer Kit

Buffer system optimized for fluorescence-based western provides superior specificity, sensitivity, and background suppression.

NucView® 488 Caspase-3 Assay Kit for Live Cells

Green fluorescent caspase-3/7 substrate for detecting apoptosis in intact cells by confocal microscopy, flow cytometry, or real-time live cell imaging.

MemBrite™ Fix Cell Surface Staining Kits

Wide choice of dye colors for covalent staining the surface of live cells to conveniently visualize cell boundaries in immunofluorescence experiments.

Mix-n-Stain™ CF® Dye Antibody Labeling Kits

Label your antibody with one of our superior CF® dyes in 30 minutes without a purification step. Labeling tolerates many common buffer components including BSA and ascites.

TrueBlack® Lipofuscin Autofluorescence Quencher

This unique reagent quenches lipofuscin autofluorescence in tissue sections for immunofluorescence staining and can also help to reduce autofluorescence from other sources like extracellular matrix.

AccuBlue® Broad Range RNA Quantitation Kit

An RNA-selective, fluorescent RNA quantitation kit with the widest linear range (5 ng–1000 ng RNA) of any RNA quantitation assay. Designed for use in a microplate reader or a Qubit® fluorometer.

AccuGreen™ High Sensitivity dsDNA Quantitation Kit

A fluorescent dsDNA quantitation kit with a linear range of 0.1-100 ng DNA. Designed for use with handheld fluorometers such as the Qubit® fluorometer from Thermo Fisher Scientific.