5nm Biotin Gold Nanoparticles Purification:1 Spin Column (100kDa 0.5mL) Reaction Buffer - 1

Reaction Buffer - 1

70nm Maleimide-Activated Gold Nanoparticles (lyophilized) - 10 vials

92E-12 * All concentrations as indicated at an optical density of 1 (OD=1

20E-01 <8% 1

Surface functionality: NHS-ester (~ 1 NHS group/nm2) (5kDa PEG-spacer between gold surface and NHS-group)

5nm Biotin Gold Nanoparticles Purification:1 Spin Column (100kDa 0.5mL) Reaction Buffer - 1Composition: Biotin gold nanoparticles Core Size: 5nm Absorption max: 515 520nm Optical Density (OD): 50 Particles per ml: 2. 73E+15 Biotin Surface Density: ~0. 5 nm2 Formulation: Supplied in USP grade purified water Properties Cytodiagnostics Biotin Gold Nanoparticles are made using a unique proprietary protocol resulting in particles with superior size distribution and shape compared to the leading competitor. These gold nanoparticles have a narrow