Transferrin - 15nm Gold ConjugateGold nanoparticle core size: 15nm Absorbance (lambda max.): 520nm Optical density: Available at OD=3 and OD=10, select in product options Conjugated protein: Holo Transferrin (from human serum) Working dilution: 1: 5 1: 100 Supplied in: 1XPBS (pH 7. 4), 20% glycerol (v v), 1% BSA Applications Transferrin gold conjugates are suitable for use in cell uptake studies and can be detected using light microscopy (requires silver enhancement), darkfield