Detecting Single Viruses, Nanoparticles in Real-Time

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Two herpes virus particles are shown; they were prepared for transmission electron microscopy by the negative stain technique.
Two researchers at the Institute of Optics, University of Rochester, New York, have developed a method to detect and recognize single viruses and other nanoparticles in one millisecond. Co-authors Filipp V. Ignatovich, a graduate student studying towards his PhD, and Professor Lukas Novotny published their findings on a new nanoparticle sensor in Physical Review Letters.


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