Dodecanoic acid-PEG2-NHS ester is an amphiphilic linker combining a hydrophobic C12 fatty acid with a PEG spacer and an NHS ester, enabling efficient amine coupling and stable incorporation into liposomes or lipid-based drug delivery systems. The fatty acid moiety facilitates lipid bilayer integration, while the PEG spacer enhances solubility and flexibility for optimized conjugation.
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