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@ARTICLE{Siglreitmeier:186425,
      author       = {Siglreitmeier, Maria and Wu, Baohu and Kollmann, Tina and
                      Neubauer, Martin and Nagy, Gergely and Schwahn, Dietmar and
                      Pipich, Vitaliy and Faivre, Damien and Zahn, Dirk and Fery,
                      Andreas and Cölfen, Helmut},
      title        = {{M}ultifunctional layered magnetic composites},
      journal      = {Beilstein journal of nanotechnology},
      volume       = {6},
      issn         = {2190-4286},
      address      = {Frankfurt, M.},
      publisher    = {Beilstein-Institut zur Förderung der Chemischen
                      Wissenschaften},
      reportid     = {FZJ-2015-00501},
      pages        = {134 - 148},
      year         = {2015},
      abstract     = {A fabrication method of a multifunctional hybrid material
                      is achieved by using the insoluble organic nacre matrix of
                      the Haliotis laevigata shell infiltrated with gelatin as a
                      confined reaction environment. Inside this organic scaffold
                      magnetite nanoparticles (MNPs) are synthesized. The amount
                      of MNPs can be controlled through the synthesis protocol
                      therefore mineral loadings starting from 15 wt $\%$ up to 65
                      wt $\%$ can be realized. The demineralized organic nacre
                      matrix is characterized by small-angle and very-small-angle
                      neutron scattering (SANS and VSANS) showing an unchanged
                      organic matrix structure after demineralization compared to
                      the original mineralized nacre reference. Light microscopy
                      and confocal laser scanning microscopy studies of stained
                      samples show the presence of insoluble proteins at the
                      chitin surface but not between the chitin layers. Successful
                      and homogeneous gelatin infiltration in between the chitin
                      layers can be shown. The hybrid material is characterized by
                      TEM and shows a layered structure filled with MNPs with a
                      size of around 10 nm. Magnetic analysis of the material
                      demonstrates superparamagnetic behavior as characteristic
                      for the particle size. Simulation studies show the potential
                      of collagen and chitin to act as nucleators, where there is
                      a slight preference of chitin over collagen as a nucleator
                      for magnetite. Colloidal-probe AFM measurements demonstrate
                      that introduction of a ferrogel into the chitin matrix leads
                      to a certain increase in the stiffness of the composite
                      material.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1 /
                      ICS-1},
      ddc          = {620},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)ICS-1-20110106},
      pnm          = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-551},
      experiment   = {EXP:(DE-MLZ)KWS1-20140101 / EXP:(DE-MLZ)KWS3-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000348939500002},
      doi          = {10.3762/bjnano.6.13},
      url          = {https://juser.fz-juelich.de/record/186425},
}