50nm Biotin Silver Nanoparticles

SKU: SB5K-50-25

$255.00

Size: 0.5ML

Silver nanoparticle core size: 50nm (+/- 3nm)

Size dispersity: CV <18%

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

Biotin surface density: 0.5/nm2

Absorption max: 415-430nm

Concentration: 1 mg/ml 

Optical Density (OD): 125

Particles per ml: ~1.4E+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. 

 

50nm silver nanoparticles UV-VIS spectrum

Diameter  Peak SPR Wavelength (nm) NPS/ml* Wt. Conc. (mg/ml)* Size Dispersity (+/-nm) Particle Volume (nm3) Surface Area (nm2) Surface/Volume Ratio Particle Mass (g) Molar Mass (g/mol) Molar Concentration*
50 410-430 2.9E+10 2.00E-02 <12% 6.54E+04 7.85E+03 0.12 6.87E-16 4.13E+08 4.28E-11

* All concentrations as indicated at an optical density of 2.5 (OD=2.5, i.e. absorbance at peak SPR wavelength with a 1cm pathlength)