40nm Methylated (methoxy-PEG5000-SH) Silver Nanoparticles

SKU: SM5K-40-25

$255.00

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Size: 0.5ML

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

Size dispersity: CV <18%

Surface composition: methoxy-PEG5000-SH

Absorption max: 410-425nm

Concentration: 1mg/ml 

Optical Density (OD): 125

Particles per ml: ~2.8E+12

Formulation: Supplied in USP grade purified water

Properties

The protective inert PEGylated layer of Cytodiagnostics methylated silver nanoparticles make them ideal for use in applications that requires stringent control of non-specific protein binding to the nanoparticle surface. 

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. 

 

40nm 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*
40 405-425 5.7E+10 2.00E-02 <15% 3.35E+04 5.03E+03 0.15 3.52E-16 2.12E+08 9.47E-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)