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@PHDTHESIS{Naaner:59532,
      author       = {Naaßner, Markus},
      othercontributors = {Schuphan, Ingolf},
      title        = {{M}etabolismus und {V}erhalten definierter
                      {N}onylphenolisomere in {B}elebtschlamm},
      address      = {Aachen},
      publisher    = {Publikationsserver der RWTH Aachen University},
      reportid     = {RWTH-CONV-121311},
      pages        = {107 S. : graph. Darst.},
      year         = {2004},
      note         = {Aachen, Techn. Hochsch., Diss., 2004},
      abstract     = {The aim of this work was to examine the fate of defined
                      nonylphenol-isomers in activated sewage sludge. This was
                      performed with the use of 14C-marked isomers which could
                      directly compared to each other . Moreover the behavior of
                      NP-solutions in water were analysed relating to absorption.
                      As a result silicone caoutchouc was a very good adsorbent
                      material for NP. In cooperation with Magnus Mergler a new
                      method for the determination of the xenoestrogens
                      4-nonylphenol and bisphenol A by high-performance liquid
                      chromatography and fluorescence detection after
                      derivatisation with dansyl chloride was developed. The
                      balance of the biodegradation in activated sewage sludge of
                      the two NP-Isomers
                      [14C(U)]-4-(3‘,5‘-Dimethyl-3‘-heptyl)phenol and
                      [14C(U)]-4-n-NP in semi-closed systems was determined. In
                      this experiments the Isomer with the linear alkyl side chain
                      was degraded aproximately ten times faster than the branched
                      isomer. Additional great diffrences of the rate of
                      mineralization and the concentration-time-profiles of
                      special fractions were shown. After the development of
                      special analysation methods the degradation of the isomers
                      of technically nonylphenol was examined. As a result all
                      isomer groups had diffrent degradation rates. A good
                      biodegradation for isomers with alpha-dimethyl-configuration
                      and a slow biodegradation for isomers with alpha-methyl-,
                      alpha-propyl-configuration were shown.},
      keywords     = {Belebtschlamm (SWD) / Nonylphenol (SWD) / Mikrobieller
                      Abbau (SWD)},
      cin          = {100000},
      ddc          = {570},
      cid          = {$I:(DE-82)100000_20140620$},
      typ          = {PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:hbz:82-opus-8707},
      url          = {https://publications.rwth-aachen.de/record/59532},
}