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J Chem Phys. 2018 Apr 14;148(14):144508. doi: 10.1063/1.5024348.

Anomalous surface behavior of hydrated guanidinium ions due to ion pairing.

The Journal of chemical physics

Victor Ekholm, Mario Vazdar, Philip E Mason, Erik Bialik, Marie-Madeleine Walz, Gunnar Öhrwall, Josephina Werner, Jan-Erik Rubensson, Pavel Jungwirth, Olle Björneholm

Affiliations

  1. Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
  2. Rudjer Boškovi? Institute, Bijeni?ka cesta 54, 10000 Zagreb, Croatia.
  3. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, CZ-16610 Prague 6, Czech Republic.
  4. Physical Chemistry, Department of Chemistry, Lund University, P.O. Box 124, SE-221 00 Lund, Sweden.
  5. Department of Cell and Molecular Biology, Computational Biology and Bioinformatics, Uppsala University, P.O. Box 596, SE-751 24 Uppsala, Sweden.
  6. MAX IV Laboratory, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden.

PMID: 29655316 DOI: 10.1063/1.5024348

Abstract

Surface affinity of aqueous guanidinium chloride (GdmCl) is compared to that of aqueous tetrapropylammonium chloride (TPACl) upon addition of sodium chloride (NaCl) or disodium sulfate (Na

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