100nm Methylated (methoxy-PEG5000-SH) Silver Nanoparticles Carboxyl Gold NanoUrchins 2E+13 (when dissolved to a

2E+13 (when dissolved to a final volume of 100ul)

20nm standard gold nanoparticles (100ml

Absorption max: 572nm

37E-12 * All concentrations as indicated at an optical density of 1 (OD=1

CytoGroup Inc

100nm Methylated (methoxy-PEG5000-SH) Silver Nanoparticles Carboxyl Gold NanoUrchins 2E+13 (when dissolved to aSilver nanoparticle core size: 100nm (+ 3nm) Size dispersity: CV <15% Surface composition: methoxy PEG5000 SH Absorption max: 480 520nm Concentration: 1mg ml Optical Density (OD): 46 Particles per ml: ~1. 8E+11 Formulation: Supplied in USP grade purified water Properties The protective inert PEGylated layer of Cytodiagnostics methylated silver nanoparticles make them ideal for use in applications that requires stringent control of non specific protein