10nm Methylated (methoxy-PEG5000-SH) Gold Nanoparticles Maleimide-Activated Gold NanoUrchins 28E-11 * All concentrations as

28E-11 * All concentrations as indicated at an optical density of 2

(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

90nm Maleimide-Activated Gold Nanoparticles (lyophilized) - 10 vials

Adsorption max: 526nm

10nm Methylated (methoxy-PEG5000-SH) Gold Nanoparticles Maleimide-Activated Gold NanoUrchins 28E-11 * All concentrations asComposition: Methyl (methoxy PEG5000 SH) gold nanoparticles Core Size: 10nm Absorption max: 515 520nm Optical Density (OD): 50 Particles per ml: 2. 99E+14 Formulation: Supplied in USP grade purified water Properties Cytodiagnostics Methyl (methoxy) Gold Nanoparticles are made using a unique proprietary protocol resulting in particles with superior size distribution and shape compared to the leading competitor. These non protein binding methylated gold