DSPE-PEG-TCO, MW 2,000 is a large PEG-lipid with a DSPE group and a trans-cyclooctyne moiety. DSPE is a phospholipid known for spontaneously forming micelles in aqueous media. DSPE-PEG conjugates are commonly used in the development of lipid nanoparticles in drug delivery. TCO is a click chemistry handle that is used with tetrazine-containing compounds for highly efficient labeling.
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