Determination of molecular hydration in solution <i>via </i>changes in magnetic anisotropy
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Giansiracusa, Marcus J.
Vonci, Michele
Whyatt, Yasmin L.
Williams, Carys
Mason, Kevin
Parker, David
McInnes, Eric J. L.
Chilton, Nicholas F.
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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 Er III DOTA derivative coordinates water, while its methylphosphinate analogue does not.
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Chemical Communications
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