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@ARTICLE{Rosendahl:15723,
      author       = {Rosendahl, I. and Siemens, J. and Groeneweg, J. and
                      Linzbach, E. and Laabs, V. and Herrmann, C. and Vereecken,
                      H. and Amelung, W.},
      title        = {{D}issipation and sequestration of the veterinary
                      antibiotic sulfadiazine and its metabolites under field
                      conditions},
      journal      = {Environmental Science $\&$ Technology},
      volume       = {45},
      issn         = {0013-936X},
      address      = {Columbus, Ohio},
      publisher    = {American Chemical Society},
      reportid     = {PreJuSER-15723},
      pages        = {5216 - 5222},
      year         = {2011},
      note         = {We thank Marisa Guttler for her great help in the lab, the
                      team of the Frankenforst agricultural research station for
                      providing their facilities for manure production, and
                      Herbert Rutzel for supporting the field work. We furthermore
                      thank Vetoquinol Biowet (Gorzow Wielkopolski, Poland) for
                      preparing the SDZ injection solution, and our colleagues of
                      the research unit FOR 566 for practical help during sampling
                      campaigns and inspiring discussions of the results. This
                      project was funded by the German Research Foundation (DFG)
                      within the Research Unit FOR 566 "Veterinary medicines in
                      soil: basic research for risk assessment" (AM 134/6-3).},
      abstract     = {Veterinary antibiotics introduced into the environment may
                      change the composition and functioning of soil microbial
                      communities and promote the spreading of antibiotic
                      resistance. Actual risks depend on the antibiotic's
                      persistence and (bio)accessibility, which may differ between
                      laboratory and field conditions. We examined the dissipation
                      and sequestration of sulfadiazine (SDZ) and its main
                      metabolites in soil under field conditions and how it was
                      influenced by temperature, soil moisture, plant roots, and
                      soil aggregation compared to controlled laboratory
                      experiments. A sequential extraction accounted for easily
                      extractable (CaCl₂-extractable) and sequestered
                      (microwave-extractable, residual) SDZ fractions. Dissipation
                      from both fractions was largely temperature-dependent and
                      could be well predicted from laboratory data recorded at
                      different temperatures. Soil moisture additionally seemed to
                      control sequestration, being accelerated in dry soil.
                      Sequestration, as indicated by increasing apparent
                      distribution coefficients and decreasing rates of kinetic
                      release into CaCl₂, governed the antibiotic's long-term
                      fate in soil. Besides, we observed spatial gradients of
                      antibiotic concentrations across soil aggregates and in the
                      vicinity of roots. The former were short-lived and
                      equilibrated due to aggregate reorganization, while
                      dissipation of the easily extractable fraction was
                      accelerated near roots throughout the growth period. There
                      was little if any impact of the plants on residual SDZ
                      concentrations.},
      keywords     = {Anti-Bacterial Agents: isolation $\&$ purification /
                      Biodegradation, Environmental / Environmental Monitoring /
                      Environmental Remediation: methods / Rhizosphere / Soil:
                      chemistry / Sulfadiazine: analogs $\&$ derivatives /
                      Sulfadiazine: isolation $\&$ purification / Veterinary
                      Drugs: analogs $\&$ derivatives / Veterinary Drugs:
                      isolation $\&$ purification / Zea mays: metabolism /
                      Anti-Bacterial Agents (NLM Chemicals) / Soil (NLM Chemicals)
                      / Veterinary Drugs (NLM Chemicals) / Sulfadiazine (NLM
                      Chemicals) / J (WoSType)},
      cin          = {IBG-3},
      ddc          = {050},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Engineering, Environmental / Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21595431},
      UT           = {WOS:000291422200024},
      doi          = {10.1021/es200326t},
      url          = {https://juser.fz-juelich.de/record/15723},
}