Abstract
An IgG mouse monoclonal antibody (10F05) against polyethylene glycol has been generated. The antibody reacts with PEG regardless of the linker used for PEG attachment, and is able to recognize a PEGylated peptide in plasma at concentrations as low as 3 pg/mL. The antibody is readily purified in substantial quantities. The PEG IgG will find significant utility in the sensitive detection of PEG derivitives during the pharmacokinetic characterization of PEGylated compounds.
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