40nm Biotin Silver Nanoparticles

Silver nanoparticle core size: 40nm (+/- 3nm)

Size dispersity: CV <18%

Surface composition: Biotin-PEG5000-SH/methoxy-PEG-SH

Biotin surface density: 0.5/nm2

Absorption max: 410-425nm

Concentration: 1 mg/ml 

Optical Density (OD): 125

Particles per ml: ~2.8E+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 hindrance while still maintaining low non-specific protein binding. 

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.