20nm Biotin Silver Nanoparticles
Silver nanoparticle core size: 20nm (+/- 3nm)
Size dispersity: CV <18%
Surface composition: Biotin-PEG5000-SH/methoxy-PEG-SH
Biotin surface density: 0.5/nm2
Absorption max: 398-410nm
Concentration: 1 mg/ml
Optical Density (OD): 125
Particles per ml: ~2.3E+13
Formulation: Supplied in USP grade purified water
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.
Store product away from light at 4°C. Do NOT freeze.
When stored as specified the product is stable for at least three months.