30nm Carboxylated (carboxyl-PEG5000-SH) Silver Nanoparticles

Silver nanoparticle core size: 30nm (+/- 3nm) Size dispersity: CV <18% Surface composition: carboxyl-PEG5000-SH/methoxy-PEG2000-SH Carboxyl surface density: 1/nm2 Absorption max: 400-410nm Concentration: 1mg/ml  Optical Density (OD): 125 Particles per ml: ~7.0E+12 Formulation: Supplied in USP grade purified water Properties The carboxyl functionalized silver nanoparticle surface allows for covalent conjugation of antibodies, proteins and other ligands using standard EDC/NHS coupling chemistry.  The precisely engineered silver nanoparticle surface with extended carboxyl groups maximizes conjugation efficiency by minimizing steric hindrance while still maintaining low non-specific protein binding. These features results in reliable and reproducible conjugates.  Storage Store product away from light at 4°C. Do NOT freeze.  When stored as specified the product is stable for at least three months.  Product Data   Diameter  Peak SPR Wavelength (nm) NPS/ml* Wt. Conc. (mg/ml)* Size Disp