40nm Carboxyl (carboxyl-PEG5000-SH) Gold Nanoparticles Non-Functionalized Silver Nanoparticles 1E+12 (when dissolved to a

1E+12 (when dissolved to a final volume of 1ml)

These gold nanoparticles have a  narrow size distribution (CV of less than 12%)

Core Size: 3nm (+/-1nm)

(M-1cm-1) Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration* 10 515-520 5

40nm NHS-Activated Silver Nanoparticles (lyophilized) - 10 vials

40nm Carboxyl (carboxyl-PEG5000-SH) Gold Nanoparticles Non-Functionalized Silver Nanoparticles 1E+12 (when dissolved to aComposition: Carboxyl gold nanoparticles Core Size: 40nm Absorption max: 530nm Optical Density (OD): 50 Particles per ml: 3. 58E+12 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 are