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@ARTICLE{Larsson:889932,
      author       = {Larsson, Johan and Sanchez-Fernandez, Adrian and Leung,
                      Anna E. and Schweins, Ralf and Wu, Baohu and Nylander, Tommy
                      and Ulvenlund, Stefan and Wahlgren, Marie},
      title        = {{M}olecular structure of maltoside surfactants controls
                      micelle formation and rheological behavior},
      journal      = {Journal of colloid and interface science},
      volume       = {581},
      number       = {Part B},
      issn         = {0021-9797},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-00538},
      pages        = {895 - 904},
      year         = {2021},
      abstract     = {HypothesisThe anomeric configuration (α or β) of
                      n-hexadecyl-d-maltopyranoside (C16G2) has been shown to
                      affect the morphology of the micelle, from elongated for
                      α-C16G2 to worm-like micelles for β-C16G2. The
                      entanglement of worm-like micelles often leads to strong
                      modifications of the rheological behavior of the system and,
                      as such, the anomeric configuration of C16G2 could also
                      provide the possibility of controlling this. Furthermore,
                      mixing these surfactants are hypothesized to result in mixed
                      micelles allowing to finely tune the rheology of a system
                      containing these sustainable surfactants.ExperimentsThe
                      rheology of α- and β-C16G2, and mixtures of those, was
                      determined by rotational and oscillatory rheology at
                      different temperatures and surfactant concentrations.
                      Micelle structure and composition for these systems were
                      characterized using contrast variation small-angle neutron
                      scattering and small-angle X-ray scattering. The results
                      from these were connected in order to elaborate a molecular
                      understanding of the rheological response of the
                      system.FindingsThe self-assembly of these surfactants have
                      been found to result in different rheological properties.
                      β-C16G2 show a high viscosity with a non-Newtonian
                      viscoelastic behavior, which was linked to the formation of
                      worm-like micelles. In contrast, α-C16G2 self-assembled
                      into short cylindrical micelles, resulting in a Newtonian
                      fluid with low viscosity. Furthermore, mixtures of these two
                      surfactants lead to systems with intermediate rheological
                      properties as a result of the formation of micelles with
                      intermediate morphology to those of the pure anomers. These
                      results also show that the rheological properties of the
                      system can be tuned to change the micelle morphology, which
                      in turn depends on the anomeric configuration of the
                      surfactant. Also, surfactant concentration, temperature of
                      the system, and micelle composition for surfactant mixtures
                      provide control over the rheological properties of the
                      system in a wide temperature range. Therefore, these results
                      open new possibilities in the development of sustainable
                      excipients for formulation technology, where the
                      characteristics of the system can be easily tailored through
                      geometric variations in the monomer structure whilst
                      maintaining the chemical composition of the system.},
      cin          = {JCNS-1 / JCNS-4 / JCNS-FRM-II / MLZ},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-1-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      pnm          = {6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (FZJ) (POF4-6G4) / 632 - Materials
                      – Quantum, Complex and Functional Materials (POF4-632)},
      pid          = {G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF4-6G4 /
                      G:(DE-HGF)POF4-632},
      experiment   = {EXP:(DE-MLZ)KWS3-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {32950938},
      UT           = {WOS:000604318400027},
      doi          = {10.1016/j.jcis.2020.08.116},
      url          = {https://juser.fz-juelich.de/record/889932},
}