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@INPROCEEDINGS{Mohanakumar:892583,
      author       = {Mohanakumar, Shilpa and Wiegand, Simone},
      title        = {{H}ow {H}ofmeister series influence the thermodiffusion of
                      salts in water?},
      reportid     = {FZJ-2021-02180},
      year         = {2021},
      abstract     = {Thermal gradients induce a motion of solute molecules
                      towards hot or cold regions. The motion of solutes in a
                      solvent induced by a thermal gradient is termed
                      thermodiffusion. Soret coefficient is used to quantify the
                      ratio of the established concentration gradient to the
                      thermal gradient. This has become an important tool to
                      monitor protein-ligand binding , as it is very sensitive to
                      the nature of solute-water interactions. Buffers, which are
                      used to stabilize the proteins, are multicomponent mixtures
                      with different kinds of salts. Hence to obtain a better
                      understanding of protein-ligand systems, the first step is
                      the investigation of salt solutions. We investigated aqueous
                      solutions of five potassium salts: potassium chloride,
                      potassium bromide, potassium thiocyanate, potassium acetate
                      and potassium carbonate where the corresponding anions cover
                      the full Hofmeister range. We study the thermophoresis of
                      all salt solutions between 15 to 45oC in a molality range
                      between 1 – 5 mol/kg using thermal diffusion forced
                      Rayleigh scattering. We examine, in particular, whether the
                      correlations found for non-ionic solutes are carried over to
                      ionic solutes. Our results are discussed in the context with
                      the ionic and hydrogen bonding contributions to
                      thermophoresis. This study shows how sensitive the
                      thermophoretic phenomenon is to the ion species and its
                      position in the Hofmeister series and how a change of the
                      ion influences thermophoretic properties.},
      month         = {May},
      date          = {2021-05-10},
      organization  = {Bunsentagung 2021, Juelich (Germany),
                       10 May 2021 - 12 May 2021},
      subtyp        = {Other},
      cin          = {IBI-4},
      cid          = {I:(DE-Juel1)IBI-4-20200312},
      pnm          = {524 - Molecular and Cellular Information Processing
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-524},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/892583},
}