Alkyne-PEG-COOH (MW 40000)
https://www.abfrontier.com/shop/cell25sk40116-alkyne-peg-cooh-mw-40000-82469
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Alkyne-PEG-COOH (MW 40000) is a heterobifunctional PEG crosslinker that can be used to attach functional PEG to biomolecules, particles, and other material surfaces. The carboxyl group can react with the amine group to form a stable amide bond.
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