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Biotin Iron Oxide Nanoparticles SHB is a group of water soluble iron oxide nanoparticles with amphiphilic polymer and biotin coating. SHB is very stable in most buffer solutions in the pH range of 4-10. SPP can be bind to streptavidin containing molecules with low nonspecific binding. Product Name Description Pricing SHB-10 Biotin Iron Oxide Nanoparticles, 10 nm Pricing SHB-20 Biotin Iron Oxide Nanoparticles, 20 nm Pricing SHB-30 Biotin Iron Oxide Nanoparticles, 30 nm Pricing