5nm Standard Gold NanoparticlesComposition: Tannic acid stabilized gold colloid Core Size: 5nm Absorption max: 515 520nm Particles per ml: 5. 47E+13 Formulation: Supplied in 0. 1mM phosphate buffered saline (PBS) Intended use: Conjugate development by passive adsorption of proteins and other ligands to the gold nanoparticle surface. The resulting conjugate can be used in blotting, electron microscopy and immunohistochemistry applications. Properties Cytodiagnostics unconjugated