He was elected Fellow of Trinity College Dublin in 2013. Carsten has obtained his Ph.D. degree in Biopharmaceutics from Saarland University. His research is focused on transport mechanisms and cell physiology of lung epithelial barriers and the development of advanced drug delivery systems for pulmonary administration. He has authored 1 book, 77 peer-reviewed publications, 11 book chapters and more than 220 abstracts and conference proceedings. In addition, Carsten has given over 100 invited oral presentations. He actively serves on the Editorial Boards of the American Journal of Physiology - Lung Cellular and Molecular Physiology, Drug Delivery Letters, Journal of Aerosol Medicine and Pulmonary Drug Delivery and Journal of Pharmaceutical Sciences.