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discovered_02_2013

discovered 02 .13 research WWW.Hzdr.DE Six white CD-1 mice are scurrying through the litter in their cage, climbing the metal bars, nibbling away at the pellets they are being fed, and snuggling with each other. What they don't yet know is they're about to participate in a pivotal study. One that will save lives - those of mice and, one day, of men. As part of his dissertation, Mathias Kranz, Ph.D. student at the HZDR Research Site Leipzig, is currently investigating the degree of radioactivity that builds up within the bodies of mice whenever radioactive probes - called radiotracers - are used, and identifying in which organs specifically it accumulates. Eventually, these data will be extrapolated to the human magnitude. Radiotracers are chemical compounds that include a radioactive element of some sort, which can help scientists observe metabolic processes in living organisms. _Text . Sara Schmiedel Of mice and men: Leipzig researchers investigate radiation exposure in diagnostics // At the HZDR Research Site Leipzig, a device that is the first commercial one of its kind in Germany unites two different imaging processes: positron emission and magnetic resonance tomography (PET/MRI) for small animals. HOW MUCH IS TOO MUCH: Ph.D. student Mathias Kranz examines the degree of radiation exposure of individual organs during use of a radiotracer. Photo: André Künzelmann

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