abstract |
Polymer complexes comprising a ligand containing carboxyl, phosphonyl and/or phenol groups and alkylated amine units, at least one ion of an element having an atomic number of 21 - 29, 31, 32, 38, 39, 42 - 44, 49 or 57 - 83, and, if desired, cations of inorganic and/or organic bases, amino acids or amino acid amides, are valuable diagnostic and therapeutic agents. |