1. Argonne National Laboratory

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    1. Mentioned In 5 Articles

    2. Interconnected Cavernous Structure of Bacterial Fruiting Bodies

      Interconnected Cavernous Structure of Bacterial Fruiting Bodies
      The formation of spore-filled fruiting bodies by myxobacteria is a fascinating case of multicellular self-organization by bacteria. The organization of Myxococcus xanthus into fruiting bodies has long been studied not only as an important example of collective motion of bacteria, but also as a simplified model for developmental morphogenesis. Sporulation within the nascent fruiting body requires signaling between moving cells in order that the rod-shaped self-propelled cells differentiate into spores ...
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    3. Enhanced mixing and spatial instability in concentrated bacterial suspensions

      High-resolution optical coherence tomography is used to study the onset of a large-scale convective motion in free-standing thin films of adjustable thickness containing suspensions of swimming aerobic bacteria. Clear evidence is found that beyond a threshold film thickness there exists a transition from quasi-two-dimensional collective swimming to three-dimensional turbulent behavior. The latter state, qualitatively different from bioconvection in dilute bacterial suspensions, is characterized by enhanced diffusivities of oxygen and bacteria ...
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  2. About Argonne National Laboratory

    Argonne National Laboratory

    Argonne National Laboratory, one of the U.S. Department of Energy's oldest and largest national laboratories for science and engineering research, employs roughly 2,900 employees, including about 1,000 scientists and engineers, three-quarters of whom hold doctoral degrees. Argonne's annual operating budget of around $630 million supports upwards of 200 research projects, which are broadly described below. Since 1990, Argonne has worked with more than 600 companies and numerous federal agencies and other organizations.