Featured series 
Tag: X. Sunney Xie
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Nation & World
Tracking molecules at video rate
A novel type of biomedical imaging, made possible by advances in microscopy from scientists at Harvard University, is so fast and sensitive it can capture “video” of blood cells squeezing through capillaries.
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Nation & World
New label-free method tracks molecules and drugs in live cells
A new type of highly sensitive microscopy developed by Harvard researchers could greatly expand the limits of modern biomedical imaging, allowing scientists to track the location of minuscule metabolites and…
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Nation & World
Molecule by molecule, new assay shows real-time gene activity
Chemists at Harvard University have developed the first technique providing a real-time, molecule-by-molecule “movie” of protein production in live cells. Their direct observation of fluorescently tagged molecules in single cells…
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Nation & World
Researcher Sunney Xie interested in molecule as an individual
Sunney Xie is one of the world’s leading researchers in molecular imaging and in single-molecule reactions. Xie’s has devised a way to use laser beams to see collections of protein…