definiens: , with a correlative meaning or to, means the CONJUGATION of REAGENTS ( including without limitati on CONJUGATION through linking groups ) with or to other materials, including, but not limited to proteins, peptides, oligonucleotides, biomolecules, small molecules, therapeutic agents ( including THERAPEUTIC AGENT ), diagnostic agents, imaging agents, implanted devices, and equi pment . shall include the synthesis, derivatization, characterization, and mo dification of PEG for such purposes, together with the synthesis, derivatization, characterization, an d modification of the raw materials and intermediates for the manufacture of REAGENTS, or p roducts ( including without limitation the SELECTED PRODUCT ) incorporating such REAGENTS by me ans of CONJUGATION ( but excluding, in the case of PEGYLATED therapeutic age nts ( including the SELECTED PRODUCT ), all physical components of such products other than the attached REAGENT and the chemical linkage by which such REAGENT is attached to such p roducts ) . For clarity, PEGYLATION shall not include the attachment or association of REAGENTS w ith or to other materials by means other than CONJUGATION