20nm Carboxylated (carboxyl-PEG5000-SH) Silver Nanoparticles QC Validation Kit:No Validation Kit Pre-Adsorbed: Yes - Mouse serum

Pre-Adsorbed: Yes - Mouse serum adsorbed

30nm standard gold nanoparticles (100ml

40nm NHS-Activated Gold Nanoparticles (lyophilized) - 10 vials

No activation or manipulation of the gold nanourchins is required prior to conjugation

25E-11 * All concentrations as indicated at an optical density of 1 (OD=1

20nm Carboxylated (carboxyl-PEG5000-SH) Silver Nanoparticles QC Validation Kit:No Validation Kit Pre-Adsorbed: Yes - Mouse serumSilver 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