60nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins silver nanoparticle conjugation (M-1cm-1) Size Dispersity (+/-nm) Particle

(M-1cm-1) Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration* 80 553 7

Particles per ml: 1

Core Size: 70nm

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

Linker size: 5 kDa

60nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins silver nanoparticle conjugation (M-1cm-1) Size Dispersity (+/-nm) ParticleComposition: Carboxyl (carboxyl PEG thiol, 5kDa) 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