“…95 A model complex related to this system, bis(9-diazo-4,5-diaza£uorene)copper(II) nitrate, is an effective DNA photocleaving agent under anaerobic conditions using visible light, and represents a potential model for the action of kinamycin. 96 The application of copper radioisotopes in positron tomography and radionuclide therapy has become signi¢cantly more realistic with the development of new methods of production of the radionuclides 60 Cu and 61 Cu, 97 64 Cu 98 and 67 Cu 99 using modest-sized biomedical cyclotrons. This will greatly enhance the availability of these isotopes to the medical community.…”