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@ARTICLE{Engelskirchen:893803,
      author       = {Engelskirchen, Sandra and Wellert, Stefan and Holderer,
                      Olaf and Frielinghaus, Henrich and Laupheimer, Michaela and
                      Richter, Sven and Nestl, Bettina and Nebel, Bernd and Hauer,
                      Bernhard},
      title        = {{S}urfactant {M}onolayer {B}ending {E}lasticity in {L}ipase
                      {C}ontaining {B}icontinuous {M}icroemulsions},
      journal      = {Frontiers in Chemistry},
      volume       = {8},
      issn         = {2296-2646},
      address      = {Lausanne},
      publisher    = {Frontiers Media},
      reportid     = {FZJ-2021-02842},
      pages        = {613388},
      year         = {2021},
      abstract     = {Lipase-catalyzed reactions offer many advantages among
                      which a high degree ofselectivity combined with the
                      possibility to convert even non-natural substrates are of
                      particular interest. A major drawback in the applicability
                      of lipases in the conversionof synthetically interesting,
                      non-natural substrates is the substantial insolubility of
                      suchsubstrates in water. The conversion of substrates,
                      natural or non-natural, by lipasesgenerally involves the
                      presence of a water–oil interface. In the present paper,
                      we exploit the fact that the presence of lipases, in
                      particular the lipase from Candidaantarctica B (CalB),
                      changes the bending elastic properties of a surfactant
                      monolayerin a bicontinuous microemulsion consisting of
                      D2O/NaCl -n-(d)-octane-pentaethyleneglycol monodecyl ether
                      (C10E5) in a similar manner as previously observed for
                      amphiphilic block-copolymers. To determine the bending
                      elastic constant, we have used twoapproaches, small angle
                      neutron scattering (SANS) and neutron spin echo
                      (NSE)spectroscopy. The time-averaged structure from SANS
                      showed a slight decrease inbending elasticity, while on
                      nanosecond time scales as probed with NSE, a stiffening has
                      been observed, which was attributed to adsorption/desorption
                      mechanisms of CalB atthe surfactant monolayer. The results
                      allow to derive further information on the influence of
                      CalB on the composition and bending elasticity of the
                      surfactant monolayer itself aswell as the underlying
                      adsorption/desorption mechanism.},
      cin          = {JCNS-FRM-II / JCNS-1 / JCNS-4 / MLZ},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4) / 632 - Materials – Quantum, Complex and
                      Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)J-NSE-20140101 /
                      EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33469526},
      UT           = {WOS:000608554200001},
      doi          = {10.3389/fchem.2020.613388},
      url          = {https://juser.fz-juelich.de/record/893803},
}