Was involved in developing the cryo section method introduced by Tokuyasu for immunolabeling at the electron microscopy level. Used this technique extensively to map the compartments of the biosynthetic (ER-Golgi) and endocytic pathways. Broad experience in working with different viral infection models, especially the pox virus vaccinia. For the past 20 years focused on phagocytosis of latex beads (model system) and of mycobacteria, including M.tuberculosis. Since my move to Oslo in Feb 2009 we have focused on the development of nanoparticle based therapies against tuberculosis, and against pathogens of commercial fish, using the zebrafish as an infection model.