Dye Antibody Labeling Kit is for labeling antibodies with NHS ester or maleimide with popular dyes, such as fluorescein, Alexa Fluor 488, Cy3, Cy5, Cyanine 650, Alexa Fluor 647, and 800CW. The conjugates are widely used in flow cytometry, immunohistochemistry, immunocytochemistry and western blotting. BroadPharm's MagicLink™ dye labeling kits include active reagent, protein concentrator, reaction buffer. Scientists can follow the easy protocol to get the desired conjugates in less than 1 hour. BroadPharm's MagicLink™ Chemistry is a conjugation method of choice. Easy - Convenient - Reproducible