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@ARTICLE{Sieme:1021665,
      author       = {Sieme, Daniel and Rezaei-Ghaleh, Nasrollah},
      title        = {{W}ater dynamics in eutectic solutions of sodium chloride
                      and magnesium sulfate: implications for life in {E}uropa's
                      subsurface ocean and ice shell},
      journal      = {Physical chemistry, chemical physics},
      volume       = {26},
      number       = {1},
      issn         = {1463-9076},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2024-00921},
      pages        = {105 - 115},
      year         = {2024},
      abstract     = {Liquid water is essential for life as we know it and the
                      coupling between water and biomolecular dynamics is crucial
                      for life processes. Jupiter's moon Europa is a good
                      candidate for searching for extraterrestrial life in our
                      outer solar system, mainly because a liquid water salty
                      ocean in contact with a rocky seafloor underlies its ice
                      shell. Little, however, is known about the chemical
                      composition of the subglacial ocean of Europa or the brine
                      pockets within its ice shell and their impacts on water
                      dynamics. Here, we employ 1H, 17O, 23Na and 35Cl NMR
                      spectroscopy, especially NMR spin relaxation and diffusion
                      methods, and investigate the mobility of water molecules and
                      ions in eutectic solutions of magnesium sulfate and sodium
                      chloride, two salts ubiquitously present on the surface of
                      Europa, over a range of temperatures and pressures pertinent
                      to Europa's subglacial ocean. The NMR data demonstrate the
                      more pronounced effect of magnesium sulfate compared with
                      sodium chloride on the mobility of water molecules. Even at
                      its much lower eutectic temperature, the sodium chloride
                      solution retains a relatively large level of water mobility.
                      Our results highlight the higher potential of a sodium
                      chloride-rich than magnesium sulfate-rich Europa's ocean to
                      accommodate life and support life origination within the
                      eutectic melts of Europa's ice shell.},
      cin          = {IBI-7},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBI-7-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {38054803},
      UT           = {WOS:001114430900001},
      doi          = {10.1039/D3CP03455K},
      url          = {https://juser.fz-juelich.de/record/1021665},
}