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To understand cell function, we need to be able to study them in their native environment, in vivo. While there are many techniques for studying cells in vitro, or in the laboratory setting, in vivo studies are much more difficult. A new study by a team of researchers at the Massachusetts Institute of Technology and Harvard Medical School used a unique quantum dotantibody conjugate to facilitate in vivo studies of bone marrow stem cells in mice. This study was reported in the Proceedings of the National Academy of Science.

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