40nm Methylated (methoxy-PEG2000-SH) Silver Nanoparticles

Silver nanoparticle core size: 40nm (+/- 3nm) Size dispersity: CV <18% Surface composition: methoxy-PEG2000-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.    Product Data 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