Dr PETER HARVEY PETER.HARVEY@NOTTINGHAM.AC.UK
Assistant Professor
Paramagnetic 19F Chemical Shift Probes that Respond Selectively to Calcium or Citrate Levels and Signal Ester Hydrolysis
Harvey, Peter; Chalmers, Kirsten H.; De?Luca, Elena; Mishra, Anurag; Parker, David
Authors
Kirsten H. Chalmers
Elena De?Luca
Anurag Mishra
David Parker
Abstract
Paramagnetic magnetic resonance chemical shift probes containing a proximal CF3 group have been characterised. Different systems have been created that report reversible changes in calcium ion concentrations in the millimolar regime, signal the presence of citrate selectively in competitive aqueous media and allow the monitoring of remote ester/amide hydrolysis in relayed, irreversible transformations. Chemical shift non‐equivalence is amplified by the presence of the proximate lanthanide ion, with a mean separation between the CF3 group and the metal ion of 6.4 Å found for a thulium complex, in an X‐ray structure of the metal complex aqua adduct. The enhanced rate of longitudinal relaxation of the 19F nucleus allows faster data acquisition.
Citation
Harvey, P., Chalmers, K. H., De?Luca, E., Mishra, A., & Parker, D. (2012). Paramagnetic 19F Chemical Shift Probes that Respond Selectively to Calcium or Citrate Levels and Signal Ester Hydrolysis. Chemistry - A European Journal, 18(28), 8748-8757. https://doi.org/10.1002/chem.201200737
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 11, 2012 |
Online Publication Date | Jun 11, 2012 |
Publication Date | Jul 9, 2012 |
Deposit Date | Oct 24, 2019 |
Journal | Chemistry - A European Journal |
Print ISSN | 0947-6539 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 18 |
Issue | 28 |
Pages | 8748-8757 |
DOI | https://doi.org/10.1002/chem.201200737 |
Keywords | General Chemistry |
Public URL | https://nottingham-repository.worktribe.com/output/2829727 |
Publisher URL | https://onlinelibrary.wiley.com/doi/full/10.1002/chem.201200737 |
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