5nm Carboxyl (carboxyl-PEG3000-SH) Gold Nanoparticles Organic Soluble Iron Oxide Nanoparticles Concentration: OD=40 (when dissolved to

Concentration: OD=40 (when dissolved to a final volume of 1ml)

(M-1cm-1) Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration* 60 540 1

Formulation: Supplied in USP grade pufiried water

Adsorption max: 670nm

50nm NHS-Activated Silver Nanoparticles (lyophilized) - 3 vials

5nm Carboxyl (carboxyl-PEG3000-SH) Gold Nanoparticles Organic Soluble Iron Oxide Nanoparticles Concentration: OD=40 (when dissolved toComposition: Carboxyl gold nanoparticles Core Size: 5nm Absorption max: 515 520nm Optical Density (OD): 50 Particles per ml: 2. 73E+15 Carboxyl Surface Density: ~1 nm2 Formulation: Supplied in USP grade purified water Properties Cytodiagnostics PEGylated Gold Nanoparticles with carboxyl functional groups are made using a unique proprietary protocol resulting in particles with superior size distribution and shape compared to the leading competitor and