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@ARTICLE{Csiszar:50645,
      author       = {Csiszar, A. and Koglin, E. and Meier, R. and Klumpp, E.},
      title        = {{T}he phase transition behavior of
                      1,2-dipalmitoyl-sn-glycero-3-phosphocholine ({DPPC}) model
                      membrane influenced by 2,4-dichlorophenol $\–$ an
                      {FT}-{R}aman {S}pectroscopy {S}tudy},
      journal      = {Chemistry and physics of lipids},
      volume       = {139},
      issn         = {0009-3084},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-50645},
      pages        = {115 - 124},
      year         = {2006},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The effect of 2,4-dichlorophenol (DCP) on the structures
                      and phase transitions of fully hydrated
                      1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) liposomes
                      was studied using FT-Raman spectroscopy. Whereas the Raman
                      frequency shifts of the most frequently investigated bands
                      of C-C and C-H stretching regions only indicate the main
                      phase transition (P(beta')-L(alpha)) of the pure DPPC/water
                      system, the Raman shift of C-H scissoring vibration at 1440
                      cm(-1) was found to be able to reveal the pretransition
                      (L(beta')-P(beta')) as well. Analyzing the spectral
                      parameters of the trans band at 1128 cm(-1), which does not
                      overlap with DCP vibrational modes, a continuous decrease of
                      trans conformations was found with increasing DCP
                      concentration at 26 degrees C accompanying the phase
                      transitions L(beta')-P(beta') and P(beta')-L(alpha). The
                      intensity ratio of the symmetrical and asymmetrical
                      methylene stretching bands (at 2850 cm(-1) and 2880 cm(-1)),
                      defined as the disorder parameter by Levin [Levin, I.W.,
                      1985. Two types of hydrocarbon chain interdigitation in
                      sphingomielin bilayers. Biochemistry 24, 6282-6286],
                      indicated that in the interdigitated phase (L(I)) the order
                      is markedly high and comparable with that of L(beta). Both
                      the phase transition P(beta')-L(alpha) in the DCP/DPPC molar
                      ratio range of 10/100-50/100 and the phase transition
                      L(I)-L(alpha) led to a significant increase of disordered
                      chains and the presence of DCP molecules induced a more
                      disordered chain region than that observed in the L(alpha)
                      phase of DPPC. Nevertheless, it was found that the L(alpha)
                      phase with DCP contains approximately the same amount of
                      trans conformers than that without DCP.},
      keywords     = {1,2-Dipalmitoylphosphatidylcholine: chemistry / Chemistry,
                      Physical / Chlorophenols: chemistry / Membranes, Artificial
                      / Phase Transition / Physicochemical Phenomena / Sensitivity
                      and Specificity / Spectrum Analysis, Raman: methods /
                      Temperature / Chlorophenols (NLM Chemicals) / Membranes,
                      Artificial (NLM Chemicals) / 2,4-dichlorophenol (NLM
                      Chemicals) / 1,2-Dipalmitoylphosphatidylcholine (NLM
                      Chemicals) / J (WoSType)},
      cin          = {ICG-IV / ISG-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB50 / I:(DE-Juel1)VDB421},
      pnm          = {Terrestrische Umwelt / Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK407 / G:(DE-Juel1)FUEK414},
      shelfmark    = {Biochemistry $\&$ Molecular Biology / Biophysics},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16413520},
      UT           = {WOS:000235590400004},
      doi          = {10.1016/j.chemphyslip.2005.11.005},
      url          = {https://juser.fz-juelich.de/record/50645},
}