Bio sketch and research interests: Dr. Mikkelsen recieved a Ph.D. in biology in 1973 from the University of California at Santa Barbara. He went on to perform post-doctoral work at Tufts University School of Medicine from 1973-1978 in the field of membrane biochemistry. Prior to coming to VCU's medical center he served as an Associate Professor in the Departments of Physiology and Therapuetic Radiology at Tufts University School of Medicine. Dr. Mikkelsen's research investigates mechanisms of how cells sense cytoplasmic ionization events and then activate or, alternatively, inhibit either pro- or anti survival mechanisms.