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PI Physik Instrumente - Revolution In Photonics Align LW LB 3/24

Kidney Cell Becomes Living Laser

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BOSTON, June 14, 2011 — A human embryonic kidney cell genetically engineered to include a light-emitting jellyfish protein forms a living laser capable of producing visible nanosecond pulses of light. Lasers have used synthetic gain medium materials to amplify light since their invention in the 1960s, but professor Seok-Hyun Yun and colleague Malte Gather of the Wellman Center for Photomedicine at Massachusetts General Hospital are instead using green fluorescent protein (GFP) as their gain material. Microscope image of a single-cell living laser in action. The irregular internal structure of the green...Read full article

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    Published: June 2011
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    AmericasBiophotonicsCommunicationsgain medium materialsGFPgreen fluorescent proteinhuman cellliving laserMalte GatherMassachusetts General HospitalMicroscopynanophotodynamic therapiesResearch & TechnologySeok-Hyun YunLasers

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