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  • Imaging agents light up two cancer biomarkers to give more complete picture of tumor

    Researcher Indrajit Srivastava holds solutions of nanoparticles that can target two cancer biomarkers, giving off two distinct signals when lit by one fluorescent wavelength.  This could give surgeons a more complete picture of a tumor and guide operating-room decisions. In the background is a microscopic scan of a tissue sample.  Photo by Fred Zwicky