Dextran is a polysaccharides widely used in drug formulations, diagnositic reagent development and in-vivo and in-vitro imaging applications. Nanocs is a world leader in developing various dextran conjugates with different functionalities and tailored properties. Our fluorescently labeled dextrans cover a wide range of spectrum from UV region to near IR area. These fluorescent dextrans include dextrans labeled with courmarins, fluoresceins (FITC, FAM, etc.), rhodamines (Rhodamine B, Rhodamine 6G, Rhodamine 101, etc.), Cyanine dyes (Cy3, Cy5, Cy5.5, Cy7, Cy7.5), BODIPY dyes, alexa fluor dyes and many other fluorophores such as Sun Fluor dyes. We also provide chemically activated dextran conjugates modified by amines, maleimides, NHS, vinylsulfone, azides, DBCO, alkynes and many others.