Biological free radicals; time-resolved electron paramagnetic resonance studies in organic photochemistry; radiation damage to DNA and related biomolecules; spin trapping - recent developments and applications; EPR and ENDOR studies of metalloproteins; pulsed ESR of microporous and mesoporous oxide materials; advanced EPR in millimetre bands and very high fields; electron transfer kinetics studied by by EPR/ESR and related methods.