20nm Carboxylated (carboxyl-PEG5000-SH) Silver Nanoparticles QC Validation Kit:No Validation Kit 4E+12 (when dissolved to a

4E+12 (when dissolved to a final volume of 100ul)

Surface functionality: NHS-ester (~ 1 NHS group/nm2) (5kDa PEG-spacer between silver surface and NHS-group)

Ideal for conjugation of antibodies for use in lateral flow and blotting applications

Absorption max: 390-400nm

30nm standard gold nanoparticles (100ml

20nm Carboxylated (carboxyl-PEG5000-SH) Silver Nanoparticles QC Validation Kit:No Validation Kit 4E+12 (when dissolved to aSilver nanoparticle core size: 20nm (+ 3nm) Size dispersity: CV <18% Surface composition: carboxyl PEG5000 SH methoxy PEG2000 SH Carboxyl surface density: 1 nm2 Absorption max: 398 410nm Concentration: 1mg ml Optical Density (OD): 125 Particles per ml: ~2. 3E+13 Formulation: Supplied in USP grade purified water Properties The carboxyl functionalized silver nanoparticle surface allows for covalent conjugation of antibodies, proteins and other ligands