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@ARTICLE{McKenzie:1043160,
      author       = {McKenzie, Iain and DiPasquale, Mitchell and Dziura,
                      Maksymilian and Gutberlet, Thomas and Hartwig, Nathan A. and
                      Karner, Victoria L. and Scheuermann, Robert and Marquardt,
                      Drew},
      title        = {{N}anoscale dynamics in model phospholipid biomembranes
                      probed by muon spin resonance spectroscopy: {T}he effects of
                      membrane composition and temperature on acyl chain and
                      cholesterol motion},
      journal      = {Chemistry and physics of lipids},
      volume       = {270},
      issn         = {0009-3084},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2025-02776},
      pages        = {105496 -},
      year         = {2025},
      abstract     = {The physical properties of lipid bilayers are known to
                      depend on their composition, but there has recently been
                      controversy about whether cholesterol (chol) does or does
                      not stiffen biomembranes containing unsaturated
                      phospholipids. Herein, avoided level crossing muon spin
                      resonance (ALC-𝜇SR) spectroscopy has been used to probe
                      the local dynamics in model biomembranes composed of the
                      saturated phospholipid
                      1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC), the
                      unsaturated phospholipids
                      1-palmitoyl-2-oleoyl-glycero-3-phosphocholine (POPC) and
                      1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), and the
                      sterol chol. The presence of chol significantly stiffens the
                      acyl chains in lipid mixtures as evident from the reduction
                      of the amplitude of restricted reorientational motion in the
                      acyl chain at the C9-C10 position and the increase of the
                      torsional barrier for rotation about the bonds in the acyl
                      chain. Swapping POPC for DOPC slightly increases the
                      amplitude of restricted reorientational motion and decreases
                      the torsional barrier of the acyl chains, but the magnitude
                      of the effect is much smaller than the inclusion of chol.},
      cin          = {JCNS-2 / JCNS-HBS / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-HBS-20180709
                      / $I:(DE-82)080009_20140620$},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {40451379},
      UT           = {WOS:001508527500001},
      doi          = {10.1016/j.chemphyslip.2025.105496},
      url          = {https://juser.fz-juelich.de/record/1043160},
}