Nanopoint Inc., a Honolulu-based biotech company developing a better microscope, has hired Michael Powell, a researcher in the fields of catalytic antibodies, electrochemiluminescence and cell-based assays, as its chief scientist. Powell co-founded Odyssey Thera Inc., a developer of new technology for the imaging of signal transduction pathways in live cells, and he set up the US arm of Britain-based Smart Holograms Inc., a biosensor company. He also previously worked at life science firms Boehringer Mannheim and Roche Diagnostics.