60nm Carboxyl (carboxyl-PEG3000-SH) Gold NanoUrchins NHS-Activated Gold NanoUrchins Concentration: OD=20 (when dissolved to

Concentration: OD=20 (when dissolved to a final volume of 1ml)

70nm NHS-Activated Gold NanoUrchins (lyophilized) - 3 vials

Functional group: carboxyl terminated

40nm NHS-Activated Silver Nanoparticles (lyophilized) - 3 vials

60nm Carboxyl (carboxyl-PEG3000-SH) Gold NanoUrchins NHS-Activated Gold NanoUrchins Concentration: OD=20 (when dissolved toComposition: Carboxyl (carboxyl PEG thiol, 3kDa) Gold NanoUrchins Core Size: 60nm Absorption max: 585nm Optical Density (OD): 50 Particles per ml: 9. 8E+11 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