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@ARTICLE{Koenig:45561,
      author       = {Koenig, B. W. and Gawrisch, K.},
      title        = {{L}ipid ethanol interaction studied by {NMR} on bicelles},
      journal      = {The journal of physical chemistry / B},
      volume       = {109},
      issn         = {1520-6106},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PreJuSER-45561},
      pages        = {7540 - 7547},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The interaction of ethanol with phospholipids was studied
                      in bicelles at a physiologically relevant ethanol
                      concentration of 20 mM and a lipid content of 14 wt $\%$ by
                      high-resolution NMR. Transient association of ethanol with
                      magnetically aligned bicelles imparts a small degree of
                      anisotropy to the solute. This anisotropy allows detection
                      of residual (1)H-(1)H and (1)H-(13)C dipolar couplings,
                      which are superimposed on scalar couplings. Residual (2)H
                      NMR quadrupole splittings of isotope-labeled ethanol were
                      measured as well. The analysis of residual tensorial
                      interactions yielded information on the orientation and
                      motions of ethanol in the membrane-bound state. The fraction
                      of phosphatidylcholine-bound ethanol was determined
                      independently by gas chromatography and NMR. About $4\%$ of
                      ethanol is bound to phosphatidylcholine at a bicelle
                      concentration of 14 wt $\%$ at 40 degrees C. Free and bound
                      ethanol are in rapid exchange. The lifetime of ethanol
                      association with phosphatidylcholine membranes is of the
                      order of a few nanoseconds.},
      keywords     = {Chemistry, Physical: methods / Chromatography, Gas /
                      Dimyristoylphosphatidylcholine: chemistry / Ethanol:
                      chemistry / Lipid Bilayers / Lipids: chemistry / Magnetic
                      Resonance Spectroscopy / Molecular Conformation /
                      Phosphatidylcholines: chemistry / Phospholipids: chemistry /
                      Time Factors / Lipid Bilayers (NLM Chemicals) / Lipids (NLM
                      Chemicals) / Phosphatidylcholines (NLM Chemicals) /
                      Phospholipids (NLM Chemicals) /
                      Dimyristoylphosphatidylcholine (NLM Chemicals) / Ethanol
                      (NLM Chemicals) / J (WoSType)},
      cin          = {IBI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB58},
      pnm          = {Neurowissenschaften},
      pid          = {G:(DE-Juel1)FUEK255},
      shelfmark    = {Chemistry, Physical},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:16851866},
      UT           = {WOS:000228419100088},
      doi          = {10.1021/jp044980b},
      url          = {https://juser.fz-juelich.de/record/45561},
}