Nanocs offers a variety of fluorescently labeled and other functional poly-L-lysine conjugates, which include Fluorescein (FITC) polylysine, Rhodamine polylysine, Cy3 polylysine, Cy5 polylysine, Cy5.5 polylysine, Alexa fluor and Biotin polylysine and many other multifunctional poylysine products. If you have needs for any special conjugated poly-L-lysine products not listed here, please call us and let we make for you!