70nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins iron oxide nanoparticles (mg/ml)* Size Dispersity (+/-nm) Particle

(mg/ml)* Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration* 50 410-430 2

12 conjugation optimization buffers (1

Particles per ml: 3

Concentration: OD=18 (when dissolved to a final volume of 1mll)

Features & Benefits

70nm Carboxyl (carboxyl-PEG5000-SH) Gold NanoUrchins iron oxide nanoparticles (mg/ml)* Size Dispersity (+/-nm) ParticleComposition: Carboxyl (carboxyl PEG thiol, 5kDa) Gold NanoUrchins Core Size: 70nm Absorption max: 600nm Optical Density (OD): 50 Particles per ml: 6. 0E+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