100nm Carboxyl (carboxyl-PEG3000-SH) Gold NanoUrchins OPTIONAL:No Validation Kit 4E+11 (when dissolved to a

4E+11 (when dissolved to a final volume of 100ul)

20nm Protein A Gold Conjugate (2 ml

30nm NHS-Activated Gold Nanoparticles (lyophilized) - 10 vials

Absorption max: 558-562nm

100nm Carboxyl (carboxyl-PEG3000-SH) Gold NanoUrchins OPTIONAL:No Validation Kit 4E+11 (when dissolved to aComposition: Carboxyl (carboxyl PEG thiol, 3kDa) Gold NanoUrchins Core Size: 100nm Absorption max: 670nm Optical Density (OD): 50 Particles per ml: 1. 92E+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