50nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins Functionalized Gold Nanoparticles 30E-11 * All concentrations as

30E-11 * All concentrations as indicated at an optical density of 1 (OD=1

80nm Maleimide-Activated Gold NanoUrchins (lyophilized) - 3 vials

Absorption max: 410nm

57E+11 (when dissolved to a final volume of 100ul)

50nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins Functionalized Gold Nanoparticles 30E-11 * All concentrations asComposition: Carboxyl (carboxyl PEG thiol, 5kDa) Gold NanoUrchins Core Size: 50nm Absorption max: 560nm Optical Density (OD): 50 Particles per ml: 1. 76E+12 Carboxyl Surface Density: ~1 nm2 Formulation: Supplied in USP grade purified water Properties Cytodiagnostics PEGylated Gold NanoUrchins with carboxyl functional groups are made using a unique proprietary protocol resulting in particles with superior size distribution and shape compared to the