20nm Carboxylated (carboxyl-PEG3000-SH) Silver Nanoparticles NHS-Activated Gold NanoUrchins or a Protein G-gold conjugate

or a Protein G-gold conjugate (not supplied with this kit)

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

20nm NHS-Activated Gold Nanoparticles (lyophilized) - 1 vial

Composition: Biotin Gold NanoUrchins

20nm Carboxylated (carboxyl-PEG3000-SH) Silver Nanoparticles NHS-Activated Gold NanoUrchins or a Protein G-gold conjugateSilver nanoparticle core size: 20nm (+ 3nm) Size dispersity: CV <18% Surface composition: carboxyl PEG3000 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