Medicinal inorganic chemistry, coordination chemistry of biological and medical relevance, coordination chemistry of the early transition metals, the lanthanides, and the actinides, main group bioinorganic chemistry (particularly group 13), role of metal ions in Alzheimer’s Disease and other neurological dysfunctions, metal complexes as nuclear medicine imaging and therapeutic agents, and as antitumour agents, technetium and rhenium chemistry, radiopharmaceutical chemistry, vanadium compounds as anti-diabetic agents, lanthanide coordination and bioinorganic chemistry