30nm Biotin Silver Nanoparticles Standard Silver Nanoparticles 93E-09 * All concentrations as

93E-09 * All concentrations as indicated at an optical density of 1 (OD=1

Freezing causes irreversible aggregation of the gold nanoparticles

(mg/ml)* Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration* 80 440-480 7

30nm standard silver nanoparticles (100ml

30nm Biotin Silver Nanoparticles Standard Silver Nanoparticles 93E-09 * All concentrations asSilver nanoparticle core size: 30nm (+ 3nm) Size dispersity: CV <18% Surface composition: Biotin PEG5000 SH methoxy PEG SH Biotin surface density: 0. 5 nm2 Absorption max: 400 410nm Concentration: 1 mg ml Optical Density (OD): 125 Particles per ml: ~7. 0E+12 Formulation: Supplied in USP grade purified water Properties The precisely engineered silver nanoparticle surface with extended biotin groups maximizes streptavidin binding by minimizing steric