Dylight fluorescent dyes conjugated to antibodies from Jackson ImmunoResearch (JIR) are brighter and more photostable than comparable fluorescent dyes from other companies. JIR specialises in secondary antibody production and offer competitive prices for DyLight conjugates. The company offers over 250 secondary antibodies conjugated to four Dylight fluorescent dyes: Dylight 488, Dylight 549, Dylight 594 and Dylight 649.