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@ARTICLE{Gargiulo:56490,
      author       = {Gargiulo, G. and Bradford, S. and Simunek, J. and Ustohal,
                      P. and Vereecken, H. and Klumpp, E.},
      title        = {{T}ransport and {D}eposition of {M}etabolically {A}ctive
                      and {S}tationary {P}hase. {D}einococcus {R}adiodurans in
                      {U}nsaturated {P}orous {M}edia},
      journal      = {Environmental Science $\&$ Technology},
      volume       = {41},
      issn         = {0013-936X},
      address      = {Columbus, Ohio},
      publisher    = {American Chemical Society},
      reportid     = {PreJuSER-56490},
      pages        = {1265 - 1271},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Bioremediation is a cost-efficient cleanup technique that
                      involves the use of metabolically active bacteria to degrade
                      recalcitrant pollutants. To further develop this technique
                      it is important to understand the migration and deposition
                      behavior of metabolically active bacteria in unsaturated
                      soils. Unsaturated transport experiments were therefore
                      performed using Deinococcus radiodurans cells that were
                      harvested during the log phase and continuously supplied
                      with nutrients during the experiments. Additional
                      experiments were conducted using this bacterium in the
                      stationary phase. Different water saturations were
                      considered in these studies, namely 100 (only stationary
                      phase), 80, and $40\%.$ Results from this study clearly
                      indicated that the physiological state of the bacteria
                      influenced its transport and deposition in sands.
                      Metabolically active bacteria were more hydrophobic and
                      exhibited greater deposition than bacteria in the stationary
                      phase, especially at a water saturation of $40\%.$ The
                      breakthrough curves for active bacteria also had low
                      concentration tailing as a result of cell growth of retained
                      bacteria that were released into the liquid phase. Collected
                      breakthrough curves and deposition profiles were described
                      using a model that simultaneously considers both chemical
                      attachment and physical straining. New concepts and
                      hypotheses were formulated in this model to include
                      biological aspects associated with bacteria growth inside
                      the porous media.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4 / JARA-ENERGY / JARA-SIM},
      ddc          = {050},
      cid          = {I:(DE-Juel1)VDB793 / $I:(DE-82)080011_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Engineering, Environmental / Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000244161600035},
      doi          = {10.1021/es062854a},
      url          = {https://juser.fz-juelich.de/record/56490},
}