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@ARTICLE{Salamonczyk:821204,
      author       = {Salamonczyk, Miroslaw and Zhang, Jing and Portale, Giuseppe
                      and Zhu, Chenhui and Kentzinger, Emmanuel and Gleeson, James
                      T. and Jakli, Antal and De Michele, Cristiano and Dhont, Jan
                      K. G. and Sprunt, Samuel and Stiakakis, Emmanuel},
      title        = {{S}mectic phase in suspensions of gapped {DNA} duplexes},
      journal      = {Nature Communications},
      volume       = {7},
      issn         = {2041-1723},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2016-06442},
      pages        = {13358 -},
      year         = {2016},
      abstract     = {Smectic ordering in aqueous solutions of monodisperse stiff
                      double-stranded DNA fragments is known not to occur, despite
                      the fact that these systems exhibit both chiral nematic and
                      columnar mesophases. Here, we show, unambiguously, that a
                      smectic-A type of phase is formed by increasing the DNA’s
                      flexibility through the introduction of an unpaired
                      single-stranded DNA spacer in the middle of each duplex.
                      This is unusual for a lyotropic system, where flexibility
                      typically destabilizes the smectic phase. We also report on
                      simulations suggesting that the gapped duplexes (resembling
                      chain-sticks) attain a folded conformation in the smectic
                      layers, and argue that this layer structure, which we
                      designate as smectic-fA phase, is thermodynamically
                      stabilized by both entropic and energetic contributions to
                      the system’s free energy. Our results demonstrate that DNA
                      as a building block offers an exquisitely tunable means to
                      engineer a potentially rich assortment of lyotropic liquid
                      crystals.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / ICS-3 / JARA-SOFT},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)ICS-3-20110106 /
                      $I:(DE-82)080008_20150909$},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000387971800001},
      pubmed       = {pmid:27845332},
      doi          = {10.1038/ncomms13358},
      url          = {https://juser.fz-juelich.de/record/821204},
}