Alumni 10 Center Dr, Bethesda, MD, 20814, US 301-496-2557 301-480-6964 Advanced Microscopy and Biophotonics The Laboratory of Advanced Microscopy and Biophotonics, led by Dr. Jay R. Knutson, uses optical physics and fluorescence to create better instruments for examining the inner workings of cells and the macromolecular (proteins, lipids, and DNA) complexes within. The Science