Recent Publications
(A full list of publications since 1979 can be found here.)


Enantioselective cellular localisation of europium(III) coordination complexes, Chem. Sci., 2017, in press, 10.1039/C7SC04422D, (with A.T. Frawley, H.V. Linford, M. Starck and R. Pal ).

Rationalisation of anomalous pseudo-contact shifts and their solvent dependence in a series of C3-symmetric lanthanide complexes, J. Am. Chem. Soc., 2017, 139, 14166-14172 (with M. Vonci, K. Mason, E.A. Suturina, A.T. Frawley, S.G. Worswick, I. Kuprov, E.J.L. McInnes and N.F. Chilton).

Beyond Bleaney's Theory: Experimental and Theoretical Analysis of Periodic Trends in Lanthanide Induced Chemical Shift, Angew. Chem. Int. Ed., 2017, 56, 12215-12218 (with E.A. Suturina, K. Mason, C.F.G.C. Geraldes, I. Kuprov).

Selectively switching on europium emission in drug site one of human serum albumin, Chem. Commun., 2017, 53, 6724-6727 (with S. Shuvaev and R. Pal).

Equilibrium, kinetic and structural properties of gallium(III) and some divalent metal complexes formed with the new DATAm and DATA5m ligands, Chem. Eur. J., 2017, 23, 10358-10371 (with E. Farkas, J. Nagel, B.P. Waldron, I. Tóth, E. Brücher, F. Rösch and Z. Baranyai).

Responsive, Water Soluble Europium(III) Luminescence Probes, Chem. Eur. J., 2017, 23, 9974-9988 (with S. Shuvaev and M. Starck).

Simultaneous triple imaging with two PARASHIFT probes: encoding anatomical, pH and temperature information using magnetic resonance shift imaging, Chem. Eur. J., 2017, 23, 7976-7989 (with K.N.A. Finney, A.C. Harnden, N.J. Rogers, P.K. Senanayake, A.M. Blamire and D. O'Hogain).

PARASHIFT Probes: Solution NMR and X-ray structural studies of macrocylic ytterbium and yttrium complexes, Inorg. Chem., 2017, 56, 4028-4038 (with K. Mason, N.J. Rogers, E.A. Suturina, I.Kuprov, J.A. Aguilar, A.S. Batsanov and D.S. Yufit).

A new paramagnetically shifted imaging probe for MRI, Magn. Reson. Med., 2017, 77, 1307-1317 (with P.K. Senanayake, N.J. Rogers, K.N.A. Finney, P. Harvey, A.M. Funk, J.I. Wilson, D. O'Hogain, R. Maxwell and A.M. Blamire).

Induced europium circularly polarized luminescence monitors reversible drug binding to native alpha-1-acid glycoprotein, ChemMedChem, 2017, 12, 271-277 (with L. Jennings, R.S. Waters and R. Pal).

Selective signalling of sialic acid in solution by circularly polarised luminescence spectroscopy using a dynamically racemic europium(III) complex, RSC Adv., 2017, 7, 4531-4540 (with E.R. Neil).


Lactate and Citrate Probes, R. Pal and D. Parker, US Patent, US 9448225, granted 20/10/2016; European Patent, EP 2391610 A0, granted 26/10/16.

Responsive Luminescent Lanthanide Complexes, J. Yu, R. Pal and D. Parker, European Patent, EP 1885817, granted 11/05/2016.

'Rare Earth Coordination Chemistry in Action: Exploring the Optical and Magnetic Properties of the Lanthanides in Bioscience While Challenging Current Theories', in Handbook on the Physics and Chemistry of Rare Earths, volume 50, Amsterdam: Elsevier 2016, pp. 269-299, edited by Jean-Claude G. Bünzli and Vitalij K. Pecharsky, ISBN: 978-0-444-63851-9.

Very bright, enantiopure europium(III) complexes allow time-gated chiral contrast imaging, Chem. Commun., 2016, 52, 13349-13352 (with A.T. Frawley and R. Pal).

Induced europium CPL for the selective signalling of phosphorylated amino-acids and O-phosphorylated hexapeptides, Dalton Trans., 2016, 45, 8355-8366 (with E.R. Neil, M.A. Fox and R. Pal).

DATATOC: a novel conjugate for kit-type 68Ga labelling of TOC at ambient temperature, EJNMMI Radiopharmacy and Chemistry, 2016, 1, 1-12 (with J. Seemann, B. Waldron and F. Roesch).

Electromagnetic susceptibility anisotropy and its importance for paramagnetic NMR and optical spectroscopy in lanthanide coordination chemistry, Dalton Trans., 2016, 45, 6782-6800 (with O.A. Blackburn, R.M. Edkins, S. Faulkner, A.M. Kenwright, N.J. Rogers and S. Shuvaev).

Another challenge to paramagnetic relaxation theory: a study of paramagnetic proton NMR relaxation in closely related series of pyridine-derivatised dysprosium complexes, Phys. Chem. Chem. Phys., 2016, 18, 4370-4375 (with N.J. Rogers, K.N.A. Finney and P.K. Senanayake).

Structural Control of Cell Permeability with Highly Emissive Europium(III) Complexes Permits Different Microscopy Applications, Chem. Eur. J., 2016, 22, 570-580 (with M. Starck and R. Pal).


Wavelength-dependent optoacoustic imaging probes for NMDA receptor visualisation, Chem. Commun., 2015, 51, 15149-15152 (with N. Sim, S. Gottschalk, R. Pal, M. Delbianco, O. Degtyaruk, D. Razansky, G.G. Westmeyer, V. Ntziachristos and A. Mishra).

Chiral probe development for circularly polarised luminescence: comparative study of structural factors determining the degree of induced CPL with four heptacoordinate europium(III) complexes, Dalton Trans., 2015, 44, 14937-14951 (with E.R. Neil, M.A. Fox, R. Pal, L.-O. Palsson and B.A. O'Sullivan).

Challenging lanthanide relaxation theory: erbium and thulium complexes that show NMR relaxation rates faster than dysprosium and terbium analogues, Phys. Chem. Chem. Phys., 2015, 17, 16507-16511 (with A.M. Funk, P. Harvey, K.N.A. Finney, M.A. Fox, A.M. Kenwright, N.J. Rogers and P.K. Senanayake).

Approaching 'Kit-Type' Labelling with 68Ga: The DATA Chelators, ChemMedChem, 2015, 10, 1019-1026 (with J. Seemann, B.P. Waldron and F. Roesch).

Critical design features for the targeted molecular imaging of cell surface receptors, Chem. Soc. Rev., 2015, 44, 2122-2134 (with N. Sim).

Critical analysis of the limitations of Bleaney's theory of magnetic anisotropy in paramagnetic lanthanide coordination complexes, Chem. Sci., 2015, 6, 1655-1662 (with A.M. Funk, K.N.A. Finney, P. Harvey, A.M. Kenwright, E.R. Neil, N.J. Rogers and P.K. Senanayake).

Optimizing the high-field relaxivity by self-assembling of macrocyclic Gd(III) complexes, Dalton Trans., 2015, 44, 4910-4917 (with D. Lawson, A. Barge, E. Terreno, S. Aime and M. Botta).

EuroTracker® dyes: design, synthesis, structure and photophysical properties of very bright europium complexes and their use in bioassays and cellular optical imaging , Dalton Trans., 2015, 44, 4791-4803 (with S.J. Butler, M. Delbianco, L. Lamarque, B.K. McMahon, E.R. Neil, R. Pal, J.W. Walton and J.M. Zwier).


Magnetic resonance and optical imaging probes for NMDA receptors on the cell surface of neurons: synthesis and evaluation in cellulo, Org. Biomol. Chem., 2014, 12, 9389-9404 (with N. Sim, R. Pal, J. Engelmann, A. Mishra and S. Gottschalk).

Selective ion pair recognition of citrate and zinc ions in water by ratiometric luminescence signaling, RSC Adv., 2014, 4, 37649-37654 (with B. K. McMahon).

Synthesis of meta and para-substituted aromatic sulfonate derivatives of polydentate phenylazaphosphinate ligands: enhancement of the water solubility of emissive europium (III) EuroTracker® dyes , Org. Biomol. Chem., 2014, 12, 8061-8071 (with M. Delbianco and L. Lamarque).

Bright, Highly Water-Soluble Triazacyclononane Europium Complexes to Detect Ligand Binding with Time-Resolved FRET Microscopy, Angew. Chem. Int. Ed., 2014, 53, 10718-10722 (with M. Delbianco, V. Sadovnikova, E. Bourrier, G. Mathis, L. Lamarque and J.M. Zwier).

Comparative Analysis of Conjugated Alkynyl Chromophore–Triazacyclononane Ligands for Sensitized Emission of Europium and Terbium, Chem. Eur. J., 2014, 20, 8636-8646 (with M Soulié, F. Latzko, E. Bourrier, V. Placide, S.J. Butler, R. Pal, J.W. Walton, P.L. Baldeck, B. Le Guennic, C. Andraud, J.M. Zwier, L. Lamarque and O. Maury).

Induced circularly polarized luminescence arising from anion or protein binding to racemic emissive lanthanide complexes, Methods Appl. Fluoresc., 2014, 2, 024007 (with R. Carr, R.S. Puckrin, B.K. McMahon, R. Pal and L.O. Palsson).

Utility of tris(4-bromopyridyl) europium complexes as versatile intermediates in the divergent synthesis of emissive chiral probes, Dalton Trans., 2014, 43, 5721-5730 (with S.J. Butler, M. Delbianco, N.H. Evans, A.T. Frawley, R. Pal, R.S. Puckrin and D.S. Yufit).

Synthesis, stereocontrol and structural studies of highly luminescent chiral tris-amidepyridyl-triazacyclononane lanthanide complexes, Dalton Trans., 2014, 43, 5490-5504 (with E.R. Neil, A.M. Funk and D.S. Yufit).

Emissive europium complexes that stain the cell walls of healthy plant cells, pollen tubes and roots, RSC Adv., 2014, 4, 9356-9366 (with A.J. Palmer, S.H. Ford, S.J. Butler, T.J. Hawkins, P.J. Hussey, R. Pal and J.W. Walton).

EuroTracker dyes: highly emissive europium complexes as alternative organelle stains for live cell imaging, Chem. Sci., 2014, 5, 1750-1756 (with S.J. Butler, L. Lamarque and R.Pal).

Microscopic Visualization of Metabotropic Glutamate Receptors on the Surface of Living Cells Using Bifunctional Magnetic Resonance Imaging Probes, ACS Chem. Neurosci., 2014, 5 (2), 128-137 (with A. Mishra, R. Mishra S. Gottschalk, R. Pal, N. Sim, J. Engelmann and M. Goldberg).

Characterisation and evaluation of paramagnetic fluorine labelled glycol chitosan conjugates for 19F and 1H magnetic resonance imaging, J. Biol. Inorg. Chem., 2014, 19 (2), 215-227 (with E. De Luca, P. Harvey, K.H. Chalmers, A. Mishra, P.K. Senanayake, J.I. Wilson, M. Botta, M. Fekete and A. M. Blamire).


Complete stereocontrol in the synthesis of macrocyclic lanthanide complexes: direct formation of enantiopure systems for circularly polarised luminescence applications, Dalton Trans., 2013, 42, 15610-15616 (with N.H. Evans, R. Carr, M. Delbianco, R. Pal and D.S. Yufit).

Direct and selective tagging of cysteine residues in peptides and proteins with 4-nitropyridyl lanthanide complexes, Chem. Commum., 2013, 49, 9104-9106 (with K.L. Gempf, S. Butler and A.M. Funk).

Moving the goal posts: enhancing the sensitivity of PARASHIFT proton magnetic resonance imaging and spectroscopy, Chem. Sci., 2013, 4, 4251-4258 (with P. Harvey, A. Blamire, J.I. Wilson, K.N.A. Finney, A.M. Funk and P.K. Senanayake ).

Comparative in vitro studies of MR imaging probes for metabotropic glutamate subtype-5 receptor targeting, Org. Biomol. Chem., 2013, 11, 6131-6141 (with S. Gottschalk, J. Engelmann, G.A. Rolla, M. Botta and A. Mishra).

Responsive MR-imaging probes for N-methyl-D-aspartate receptors and direct visualisation of the cell-surface receptors by optical microscopy, Chem. Sci., 2013, 4, 3148-3153 (with N. Sim, A. Mishra, R. Pal, S. Gottschalk. and J. Engelmann).

Bright Mono-aqua Europium Complexes Based on Triazacyclononane That Bind Anions Reversibly and Permeate Cells Efficiently, Chem. Eur. J., 2013, 19, 9511-9517 (with S.J. Butler, B.K. McMahon, R. Pal and J.W. Walton).

Crystallographic and solution NMR structural analyses of four hexacoordinated gallium(III) complexes based on ligands derived from 6-amino-perhydro-1,4-diazepine, Dalton Trans., 2013, 42, 8001-8008 (with B.P. Waldron and D.S. Yufit).

A bright and responsive europium probe for determination of pH change within the endoplasmic reticulum of living cells, Chem. Commun., 2013, 49, 5363-5365 (with B.K. McMahon and R. Pal).

Conformational analysis and synthetic approaches to polydentate perhydro-diazepine ligands for the complexation of gallium(III), Org. Biomol. Chem., 2013, 11, 2827-2838 (with B.P. Waldron).

Very bright europium complexes that stain cellular mitochondria, Chem. Commun., 2013, 49, 1600-1602 (with J.W. Walton, A. Bourdolle, S.J. Butler, M. Soulie, M. Delbianco, B.K. McMahon, R. Pal, H. Puschmann, J.M. Zwier, L. Lamarque, O. Maury and C. Andraud).

Structure and stability of hexadentate complexes of ligands based on AAZTA for efficient PET labelling with gallium-68, Chem. Commun., 2013, 49, 579-581 (with B.P. Waldron, C. Burchardt, D.S. Yufit, M. Zimny and F. Roesch).

Experimental Measurement and Theoretical Assessment of Fast Lanthanide Electronic Relaxation in Solution with Four Series of Isostructural Complexes, J. Phys. Chem. A, 2013, 117, 905-917 (with A.M. Funk, P.H. Fries, P. Harvey and A.M. Kenwright).

Anion binding in water at lanthanide centres: from structure and selectivity to signalling and sensing, Chem. Soc. Rev., 2013, 42, 1652-1666 (with S.J. Butler).

Boosting 19F MRI-SNR-efficient detection of paramagnetic contrast agents using ultra-fast sequences, Magn. Reson. Med., 2013, 69, 1056-1062 (with F. Schmid, C. Holtke and C. Faber).


Lanthanide complexes as chiral probes exploiting circularly polarized luminescence, Chem. Soc. Rev., 2012, 41, 7673-7686 (with R. Carr and N. H. Evans).

Luminescence and upconversion from thulium(III) species in solution, Phys. Chem. Chem. Phys., 2012, 14, 13378-13384 (with O.A. Blackburn, M. Tropiano, T.J. Sorensen, J. Thom, A. Beeby, L.M. Bushby, L.S. Natrajan and S. Faulkner).

Live cell imaging of lysosomal pH changes with pH responsive ratiometric lanthanide probes, Chem. Commun., 2012, 48, 8520-8522 (with D.G. Smith, B.K. McMahon and R. Pal).

Measuring equilibrium bicarbonate concentrations directly in cellular mitochondria and in human serum using europium/terbium emission intensity ratios, Chem. Eur. J., 2012, 18, 11604-11613 (with D.G. Smith and R. Pal).

Paramagnetic 19F chemical shift probes probes that respond selectively to calcium or citrate levels and signal ester hydrolysis, Chem. Eur. J., 2012, 18, 8748-8757 (with P. Harvey, A. Mishra, K.H. Chalmers and E. De Luca).

Isostructural series of chiral nine-coordinate lanthanide complexes based on triazacyclononane, Inorg. Chem., 2012, 51, 8042-8056 (with J.W. Walton, R. Carr, N.H. Evans, A.M. Funk, A.M. Kenwright, D.S. Yufit, M. Botta, S. De Pinto, and K-L. Wong).

A chiral probe for alpha-acid glycoprotein and alpha-1-antitrypsin based on europium luminescence, Dalton Trans., 2012, 41, 13154-13158 (with R. Carr, L. Di Bari, S. Lo Piano, R. D. Peacock and J. M. Sanderson).

Lanthanide complexes as paramagnetic probes for 19F magnetic resonance, Eur. J. Inorg. Chem., 2012, 2015-2022 (with P. Harvey and I. Kuprov).

Responsive imaging probes for metabotropic glutamate receptors, Chem. Sci., 2012, 3, 131-135 (with A. Mishra, J. Engelmann and S. Gottschalk).


Structure, resolution and chiroptical analysis of stable lanthanide complexes of a pyridylphenylphosphinate triazacyclononane ligand, Chem. Commun., 2011, 47, 12289-12291 (with J. W. Walton, L. Di Bari, G. Pescitelli, H. Puschmann and D.S. Yufit).

Rapid and accurate analysis of citrate in low-volume seminal fluid samples using a time-gated and ratiometric measurement of europium luminescence, J. Pharmaceut. Biomed. Anal., 2011, 56, 352– 358 (with R. Pal and A. Beeby).

Enantioselective binding of a lanthanide(III) complex to human serum albumin studied by 1H NMR STD techniques, Org. Biomol. Chem., 2011, 9, 5047-5050 (with D. M. Dias, J.M.C. Teixeira, I. Kuprov, E.J. New, and C.F.G.C. Geraldes).

Evidence for the optical signalling of changes in bicarbonate concentration within the mitochondrial region of living cells, Chem. Commun., 2011, 47, 7347-7349 (with D.G. Smith, Ga-Lai Law, B.S. Murray, R. Pal and Ka-Leung Wong).

19F-Lanthanide complexes With increased sensitivity for 19F-MRI: Optimization of the MR aquisition, Magn. Reson. Med., 2011, 66, 931-936 (with K.H. Chalmers, A.M. Kenwright and A.M. Blamire).

Critical design factors for optical imaging with metal coordination complexes, Aust. J. Chem., 2011, 64, 239-243.

Critical in vitro evaluation of responsive MRI contrast agents for calcium and zinc, Chem. Eur. J., 2011, 17, 1529 – 1537 (with A. Mishra and N.K. Logothetis).

Strategies to enhance signal intensity with paramagnetic fluorine-labelled lanthanide complexes as probes for 19F magnetic resonance, Dalton Trans., 2011, 40, 904-913 (with K.H. Chalmers and M. Botta).


Comparative study of the luminescence properties and relative stability of a series of europium(III) complexes bearing one to four coordinated azaxanthone group, Eur. J. Inorg. Chem., 2010, 25, 3961-3966 (with J.W. Walton and L. L. Lamarque).

Synthesis and comparative anion binding profiles of two di-aqua Eu(III) complexes, Dalton Trans., 2010, 39, 9897-9903 (with D. Imperio, G.B. Giovenzana, Ga-lai Law, and J.W. Walton).

Definition of the uptake mechanism and sub-cellular localisation profile of emissive lanthanide complexes as cellular optical probes, Chemical Science, 2010, 1, 111-118 (with E.J. New and A. Congreve).

Synthesis, Chirality and Complexation Phenomena of Two Diastereoisomeric Dinuclear Lanthanide(III) Complexes, Eur. J. Inorg. Chem., 2010, 18, 2663-2672 (with B.S. Murray, C.M.G. dos Santos and R.D. Peacock).

Observation of the selective staining of chromosomal DNA in dividing cells using a luminescent terbium(III) complex, Chem. Commun., 2010, 46, 2391-2393 (with Ga-Lai Law, C. Man and J.W. Walton).

Design Principles and Theory of Paramagnetic Fluorine-Labelled Lanthanide Complexes as Probes for 19F Magnetic Resonance: A Proof-of-Concept Study, Chem. Eur. J., 2010, 16, 134-148 (with K.H. Chalmers, E. De Luca, N.H.M. Hogg, A.M. Kenwright, I. Kuprov, M. Botta, J.I. Wilson and A. Blamire).

Development of responsive lanthanide probes for cellular applications, Cur. Opin. Chem. Bio., 2010, 14, 238-246 (with E.J. New, D.G. Smith and J.W. Walton).


Responsive and reactive terbium complexes with an azaxanthone sensitiser and one naphthyl group: applications in ratiometric oxygen sensing in vitro and in regioselective cell killing, Chem. Commun., 2009, 7321-7323 (with G. Law, R. Pal, L.O. Palsson and Ka-Leung Wong).

The mechanism of quenching of the lanthanide excited state for optical probes using sensitised emission, Dalton Trans., 2009, 8481-8484 (with Ga-Lai Law, S.L. Richardson and Ka-Leung Wong).

The mechanism of cell uptake for luminescent lanthanide optical probes: the role of macropinocytosis and the effect of enhanced membrane permeability on compartmentalisation, Org. Biomol. Chem., 2009, 7, 851-855 (with E.J. New).

Cell-Penetrating Metal Complex Optical Probes: Targeted and Responsive Systems Based on Lanthanide Luminescence, Acc. Chem. Res., 2009, 42, 925-937 (with C.P. Montgomery, B.S. Murray, E.J. New and R.Pal).

A europium luminescence assay of lactate and citrate in biological fluids, Org. Biomol. Chem., 2009, 7, 1525-1528 (with R. Pal and L.C. Costello).

Electron-capture dissociation and collision-induced dissociation of lanthanide metal-ligand complexes and lanthanide metal-ligand complexes bound to phosphopeptides, Eur. J. Mass Spectrom., 2009, 2, 145-155 (with J.A. Mosely and B.S. Murray).

Variation of water exchange dynamics with ligand structure and stereochemistry in lanthanide complexes based on 1,4-diazepine derivatives, Org. Biomol. Chem., 2009, 7, 1120-1131 (with E.M. Elemento, S. Aime, E. Gianolio and L. Lattuada).

Comparative study of the constitution and chiroptical properties of emissive terbium and europium complexes with a common tetraazatriphenylene sensitiser; the nature of the sensitiser determines quenching sensitivity and cellular uptake, Dalton Trans., 2009, 672-679 (with E.J. New and R.D. Peacock).


Enantioselective regulation of a metal complex in reversible binding to serum albumin: dynamic helicity inversion signalled by circularly polarised luminescence, Chem. Commun., 2008, 4261-4263 (with C.P. Montgomery, E.J. New and R.D. Peacock).

The nature of the sensitiser substituent determines quenching sensitivity and protein affinity and influences the design of emissive lanthanide complexes as optical probes for intracellular use, Org. Biomol. Chem., 2008, 6, 2256-2258 (with F. Kielar, Ga-Lai Law and E.J. New).

Two-photon microscopy study of the intracellular compartmentalisation of emissive terbium complexes and their oligo-arginine and oligo-guanidinium conjugates, Chem. Commun., 2008, 2435-2437 (with F. Kielar, A. Congreve, Ga-lai Law, E.J. New, Ka-Leung Wong, P. Castreno and J. de Mendoza).

19F NMR based pH probes: lanthanide(III) complexes with pH-sensitive chemical shifts, Chem. Commun., 2008, 2514-2516 (with A.M. Kenwright, I. Kuprov, E. De Luca, S.U. Pandya, P.K. Senanayake and D.G. Smith).

Critical evaluation of five emissive europium(III) complexes as optical probes: correlation of cytotoxicity, anion and protein affinity with complex structure, stability and intracellular localisation profile, Org. Biomol. Chem., 2008, 6, 2085-2094 (with B.S. Murray, E.J. New and R. Pal).

A ratiometric optical imaging probe for intracellular pH based on modulation of europium emission, Org. Biomol. Chem., 2008, 6, 1020-1033 (with R. Pal).


Enantioselective catalysis of the Henry reaction by a chiral macrocyclic ytterbium complex in aqueous media, Org. Biomol. Chem., 2007, 5, 3842-3846 (with S.U. Pandya and R.S. Dickins).

Two-photon absorption and photoluminescence of europium based emissive probes for bioactive systems , Dalton Trans., 2007, 5726-5734 (with L.-O. Pålsson, R. Pal, B.S. Murray and A. Beeby).

Effective and efficient sensitisation of terbium luminescence at 355 nm with cell permeable pyrazoyl-1-azaxanthone macrocyclic complexes , Chem. Commun., 2007, 3841-3842 (with C.P. Montgomery and L. Lamarque). HTML of this article with enhanced links here

A mechanistic study of the dynamic quenching of the excited state of europium(III) and terbium(III) macrocyclic complexes by charge- or electron transfer , Org. Biomol. Chem., 2007, 5, 2975-2982 (with F .Kielar, C.P. Montgomery, E.J. New, R.A. Poole, S.L. Richardson and P.A. Stenson).

Responsive fluorinated lanthanide probes for 19F magnetic resonance spectroscopy, Chem. Commun., 2007, 2923-2925 (with P.K. Senanyake, A.M. Kenwright and S.K. van der Hoorn).

Identification of emissive lanthanide complexes suitable for cellular imaging that resist quenching by endogenous anti-oxidants, Org. Biomol. Chem., 2007, 5, 2055-2062 (with R.A. Poole, C.P. Montgomery, E.J. New, A. Congreve and M. Botta).

A single component ratiometric pH probe with long wavelength excitation of europium emission, Chem. Commun., 2007, 474-476 (with R. Pal).


Synthesis and characterisation of dimeric eight-coordinate lanthanide(III) complexes of a macrocyclic tribenzylphosphinate ligand, Dalton Trans., 2006, 5423-5428 (with P.K. Senanayake, A.L. Thompson, J.A.K. Howard, M. Botta).

A ratiometric and non-enzymatic luminescence assay for uric acid: differential quenching of lanthanide excited states by anti-oxidants, Chem. Commun., 2006, 4084-4086 (with R.A. Poole, F. Kielar, S.L. Richardson, P.A. Stenson).

On the role of the counter-ion in defining water structure and dynamics: order, structure and dynamics in hydrophilic and hydrophobic gadolinium salt complexes, Dalton Trans., 2006, 5605-5616 (with A.L. Thompson, D.A. Fulton, J.A.K. Howard, S.U. Pandya, H. Puschmann, P.K. Senanayake, P.A. Stenson, A. Badari, M. Botta, S. Avedano and S. Aime).

A cationic lanthanide complex binds selectively to phosphorylated tyrosine sites, aiding NMR analysis of the phosphorylated insulin receptor peptide fragment, Org. Biomol. Chem., 2006, 4, 3166-3171 (with P. Atkinson and B.S. Murray).

Structural characterisation of a diprotonated ligand lanthanide complex—a key intermediate in lanthanide ion association and complex dissociation pathways, Dalton Trans., 2006, 3291-3293 (with P.A. Stenson and A.L. Thompson).

Engineering emissive lanthanide complexes for molecular imaging and sensing, Dalton Trans., 2006, 2757-2766 (with S.U. Pandya and J. Yu).

Azaxanthones and azathioxanthones are effective sensitisers for europium and terbium luminescence, Org. Biomol. Chem., 2006, 4, 1707-1722 (with P. Atkinson, K.S. Findlay, F. Kielar, R. Pal, R.A. Poole, H. Puschmann, S.L. Richardson, P.A. Stenson, A.L. Thompson and J. Yu).

Glycoconjugates of gadolinium complexes for MRI applications, Chem. Commun., 2006, 1064-1066 (with D.A. Fulton, E.M. Elemento, S. Aime, L. Chaabane and M. Botta).

A Europium Complex That Selectively Stains Nucleoli of Cells, J. Am. Chem. Soc., 2006, 128(7), 2294-2299 (with J. Yu, R. Pal, R.A. Poole and M.J. Cann).


Synthesis of a europium complex for anion-sensing involving regioelective substitution of cyclen, Eur. J. Org. Chem., 2005, 4249-4252 (with Junhua Yu).

A pH-insensitive ratiometric chemosensor for citrate using europium luminescence, Chem. Commun., 2005, 3141-3143 (with Junhua Yu).

Signalling reversible anion binding in aqueous media, chapter 8 in Contemporary Macrocyclic Chemistry: Current Trends and Future Perspectives ed. K. Gloe, Springer, New York, 2005, 121-137 (with R. S. Dickins).

Synthesis and characterisation of highly emissive and kinetically stable lanthanide complexes suitable for usage in cellulo, Org. Biomol. Chem., 2005, 3, 1013-1024 (with R. A. Poole, G. Bobba, J-C. Frias, and M.J. Cann).

NMR and luminescence binding studies of ytterbium, thulium and europium macrocyclic complexes with phosphorus(V) oxyanions, Helv. Chim. Acta, 2005, 88, 391-405 (with P. Atkinson, Y. Bretonniere and G. Muller).

Efficient relaxivity enhancement in dendritic gadolinium complexes; effective motional coupling in medium MW conjugates, Chem. Commun., 2005, 474-476 (with D. Fulton, M. O’Halloran, K. Senanayake, M. Botta and S. Aime).