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@ARTICLE{Oszlanczi:55820,
      author       = {Oszlanczi, E. and Bota, A. and Klumpp, E.},
      title        = {{L}ayer formations in the bacteria-membrane mimetic
                      {DPPE}-{DPPG}/water system induced by sulfadiazine},
      journal      = {Biophysical chemistry},
      volume       = {125},
      issn         = {0301-4622},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-55820},
      pages        = {334 - 340},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The effect of the frequently used antibiotic sulfadiazine
                      (SD) was studied on a bacteria membrane mimetic model system
                      by using differential scanning calorimetric (DSC), small-
                      and wide-angle X-ray scattering (SWAXS) and freeze-fracture
                      methods. The membrane model system consisted of
                      dipalmitoylphosphatidylethanolamine (DPPE, 0.8 molar ratio)
                      and dipalmitoylphosphatidylglycerol (DPPG, 0.2 molar ratio).
                      The SD molar ratio (relative to the lipids) was varied
                      between 10(-3) and 1. In the presence of SD, two transitions
                      between the gel and liquid crystalline phases appear at 60.5
                      degrees C and about at 65 degrees C. In the temperature
                      domain of the gel phase, the subcell of the chain packing is
                      strongly temperature dependent indicating the increased
                      dominance of the hydration forces during the first
                      transition and the location of SD molecules in the
                      neighbourhood of the polar lipid head groups. The second
                      transition is accompanied by the changes in the
                      nanometer-scale layer arrangements observed by SAXS and in
                      the mum-scale morphology observed by freeze-fracture. Above
                      the temperature of the second transition, the SD-induced
                      metastable structures undergo further formations to produce
                      a more homogeneous state favoured by the geometrical packing
                      of the cylindrical-shaped lipid molecules.},
      keywords     = {Bacteria: ultrastructure / Calorimetry, Differential
                      Scanning / Cell Membrane: chemistry / Freeze Fracturing /
                      Models, Biological / Phase Transition /
                      Phosphatidylethanolamines / Phosphatidylglycerols /
                      Sulfadiazine / Temperature / Water / X-Ray Diffraction /
                      Phosphatidylethanolamines (NLM Chemicals) /
                      Phosphatidylglycerols (NLM Chemicals) /
                      1,2-dipalmitoyl-3-phosphatidylethanolamine (NLM Chemicals) /
                      1,2-dipalmitoylphosphatidylglycerol (NLM Chemicals) /
                      Sulfadiazine (NLM Chemicals) / Water (NLM Chemicals) / J
                      (WoSType)},
      cin          = {ICG-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB793},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Biochemistry $\&$ Molecular Biology / Biophysics /
                      Chemistry, Physical},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:17046146},
      UT           = {WOS:000244219500013},
      doi          = {10.1016/j.bpc.2006.09.008},
      url          = {https://juser.fz-juelich.de/record/55820},
}