Dr. Timmins research interests included involved studying free radicals in drug action and toxicity, in cancer causation, in innate immunity, the use of stable isotope labeled compounds for use diagnosis and treatment of infectious disease, and as taggants for counterfeit medicine detection. He has over 60 publications and holds 6 patents. He co-founded Avisa Pharma that has risen over $8 million to date, to commercialize breath test diagnostics.