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@ARTICLE{Fabozzi:863318,
      author       = {Fabozzi, Antonio and Russo Krauss, Irene and Vitiello, Rosa
                      and Fornasier, Marco and Sicignano, Luca and King, Stephen
                      and Guido, Stefano and Jones, Christopher and Paduano, Luigi
                      and Murgia, Sergio and D'Errico, Gerardino},
      title        = {{B}ranched alkyldimethylamine oxide surfactants: {A}n
                      effective strategy for the design of high concentration/low
                      viscosity surfactant formulations},
      journal      = {Journal of colloid and interface science},
      volume       = {552},
      issn         = {0021-9797},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-03398},
      pages        = {448 - 463},
      year         = {2019},
      abstract     = {HypothesisThe rational design of branched-tail surfactants
                      is a suitable strategy to obtain low-viscosity
                      surfactant-rich isotropic aqueous mixtures with negligible
                      effects on biodegradability. This opens a way to the design
                      of concentrated (“water-free”) surfactant formulations,
                      highly attractive for their ecological and economic
                      benefits.ExperimentsThe aggregation behaviour of
                      N,N-dimethyl-2-propylheptan-1-amine oxide (C10DAO-branched)
                      in aqueous mixtures is investigated across the entire
                      composition range by polarized optical microscopy, small
                      angle X-ray and neutron scattering, electron paramagnetic
                      resonance, and pulse-gradient stimulated echo nuclear
                      magnetic resonance. The humidity scanning quartz crystal
                      microbalance with dissipation monitoring technique is
                      validated as a tool for the fast screening of surfactants
                      phase behaviour. Furthermore, the shear viscosities and
                      viscoelastic moduli of the systems are determined by
                      rheological measurements.FindingsWith respect to the linear
                      isomer, C10DAO-branched presents a much lower tendency to
                      form lyotropic liquid crystalline phases. Except for a
                      narrow composition and temperature range in which a lamellar
                      structure is observed, C10DAO-branched aqueous mixtures are
                      isotropic liquids whose microstructure changes, with
                      increasing concentration, from micellar solutions to
                      unstructured dispersions of hydrated surfactant molecules.
                      Low-viscosity was found for all these mixtures, including
                      the most concentrated ones. Thus, the introduction of a
                      single short side-chain in the tail is demonstrated to be an
                      effective approach to increase the active concentration in
                      surfactant formulations.},
      cin          = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1 / MLZ},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31151022},
      UT           = {WOS:000481566500047},
      doi          = {10.1016/j.jcis.2019.05.052},
      url          = {https://juser.fz-juelich.de/record/863318},
}