20nm Methylated (methoxy-PEG5000-SH) Silver Nanoparticles

SKU: SM5K-20-25

$255.00

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Size: 0.5ML
Description Product Data Product Sheet & SDS

Silver nanoparticle core size: 20nm (+/- 3nm)

Size dispersity: CV <18%

Surface composition: methoxy-PEG5000-SH

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 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. 

 

20nm Silver nanoparticles UV-VIS Spectra

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*
20 390-410 4.6E+11 2.00E-02 <15% 4.19E+03 1.26E+03 0.3 4.39E-17 2.65E+07 7.64E-10

* 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)

 Product Sheet

 Safety Data Sheet (SDS)