Our dPEG®x-biotin acid products are amine-reactive biotinylation reagents designed for the biotin labeling of any molecule containing a free amine. Unlike our NHS and TFP ester products, these compounds require functionalization with an alkylating agent or carbodiimide activation to conjugate with an amine. However, these highly water-soluble, high-purity biotinylation reagents label biomolecules rapidly and completely. Moreover, unlike traditional hydrophobic biotinylation reagents (e.g., LC biotin), biotinylated conjugates do not aggregate and precipitate.
Four lengths of dPEG®x-biotin acid reagents are available (4, 12, 24, and 48 units). These lengths facilitate a wide variety of applications that take advantage of the biotin-streptavidin binding reaction. Try any of these products today and discover the dPEG® difference!
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