VOLKER STEGER / SCIENCE PHOTO LIBRARY VOLKER STEGER / SCIENCE PHOTO LIBRARY
Professor Luke P Lee, developer of the micro-CIA (microscale confocal imaging array), a tiny microscope. It is seen on one of the lenses (centre) of his glasses. The micro-CIA is a tiny confocal light microscope. It works by tagging specific molecules with dyes, and illuminating the sample with a laser. The laser causes the dyes to fluoresce, allowing the dyed molecules to be detected. This device could be used to detect specific cells or molecules in the environment (biological warfare agents, for instance) or to diagnose diseases from within the body. Lee works at the University of California at Berkeley, USA.
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