Determination of molecular hydration in solution via changes in magnetic anisotropy

Marcus J. Giansiracusa, Michele Vonci, Yasmin L. Whyatt, Carys Williams, Kevin Mason, David Parker*, Eric J. L. McInnes*, Nicholas F. Chilton*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review


The hydration behaviour of coordination complexes is important for understanding their roles as bio-imaging agents. Determination of hydration is difficult, and various optical and NMR-based techniques have been used. Here we use EPR spectroscopy to unambiguously demonstrate that a t-butyl-pyridyl-functionalised ErIII DOTA derivative coordinates water, while its methylphosphinate analogue does not.

Original languageEnglish
Pages (from-to)4531-4534
Number of pages4
JournalChemical Communications
Issue number30
Publication statusPublished - 18 Apr 2023

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Metals and Alloys
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Chemistry(all)
  • Catalysis


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