Biotin-S-S-PEG-silane, MW 2,000 is a cleavable reagent for introduction of a biotin moiety to silane with hydroxyl (OH) functional group. PEG spacer arm provides better solubility to the labeled molecules in aqueous media. The disulfide bond in this linker can be cleaved using reducing agents such as DTT, BME, and TCEP.
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