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Electrochemically grafted single molecule junctions exploiting a chemical protection strategy (2016)
Journal Article
Liang, J., Smith, R. E., Vezzoli, A., Xie, L., Milan, D. C., Davidson, R., …Nichols, R. J. (2016). Electrochemically grafted single molecule junctions exploiting a chemical protection strategy. Electrochimica Acta, 220, 436-443. https://doi.org/10.1016/j.electacta.2016.10.095

Diazonium grafted oligo(phenylene ethynylene) (OPE) monolayers suitable for single molecule conductance studies have been prepared. The surface-bound OPE is prepared from the amino tolan, 4-(2-(4-(2-(triisopropylsilyl)ethynyl)phenyl)ethynyl)benzamine... Read More about Electrochemically grafted single molecule junctions exploiting a chemical protection strategy.

Guidelines for measurement of luminescence spectra and quantum yields of inorganic and organometallic compounds in solution and solid state (IUPAC Technical Report) (2016)
Journal Article
Ishida, H., Bünzli, J., & Beeby, A. (2016). Guidelines for measurement of luminescence spectra and quantum yields of inorganic and organometallic compounds in solution and solid state (IUPAC Technical Report). Pure and Applied Chemistry, 88(7), 701-711. https://doi.org/10.1515/pac-2014-0706

Guidelines for measuring the luminescence of inorganic compounds, metal complexes, and organometallic compounds are described. Common textbooks and manuals describing luminescence measurements are usually targeted for organic compounds, and are not a... Read More about Guidelines for measurement of luminescence spectra and quantum yields of inorganic and organometallic compounds in solution and solid state (IUPAC Technical Report).

Illuminators' Pigments in Lancastrian England (2016)
Journal Article
Beeby, A., Gameson, R., & Nicholson, C. (2016). Illuminators' Pigments in Lancastrian England. Manuscripta, 60(2), 143-164. https://doi.org/10.1484/j.mss.5.111916

The pigments used in four high-status, datable, late medieval English manuscripts are identified by scientific methods. The palette and painting techniques of the illuminators responsible are studied individually then comparatively.

The use of organolithium reagents for the synthesis of 4-aryl-2-phenylpyridines and their corresponding iridium(III)complexes (2016)
Journal Article
Davidson, R., Hsu, Y., Batchelor, T., Yufit, D., & Beeby, A. (2016). The use of organolithium reagents for the synthesis of 4-aryl-2-phenylpyridines and their corresponding iridium(III)complexes. Dalton Transactions, 45(28), 11496-11507. https://doi.org/10.1039/c6dt01461e

A versatile palladium-free route for the synthesis of 4-aryl-substituted phenylpyridines (ppy), starting from tert-butyl 4-oxopiperidine-1-carboxylate, is reported. Reaction with an aryllithium, followed by trifluoroacetic acid dehydration/deprotecti... Read More about The use of organolithium reagents for the synthesis of 4-aryl-2-phenylpyridines and their corresponding iridium(III)complexes.

Single-Molecule Conductance of Viologen–Cucurbit[8]uril Host–Guest Complexes (2016)
Journal Article
Zhang, W., Gan, S., Vezzoli, A., Davidson, R., Milan, D., Luzyanin, K., …Niu, L. (2016). Single-Molecule Conductance of Viologen–Cucurbit[8]uril Host–Guest Complexes. ACS Nano, 10(5), 5212-5220. https://doi.org/10.1021/acsnano.6b00786

The local molecular environment is a critical factor which should be taken into account when measuring single-molecule electrical properties in condensed media or in the design of future molecular electronic or single molecule sensing devices. Supram... Read More about Single-Molecule Conductance of Viologen–Cucurbit[8]uril Host–Guest Complexes.

Anisotropic lanthanide-based nano-clusters for imaging applications (2016)
Journal Article
Yang, X., Wang, S., King, T. L., Kerr, C. J., Blanchet, C., Svergun, D., …Huang, S. (2016). Anisotropic lanthanide-based nano-clusters for imaging applications. Faraday Discussions, 191, 465-479. https://doi.org/10.1039/c6fd00018e

We have developed a new class of lanthanide nano-clusters that self-assemble using flexible Schiff base ligands. Cd–Ln and Ni–Ln clusters, [Ln8Cd24(L1)12(OAc)39Cl7(OH)2] (Ln = Nd, Eu), [Eu8Cd24(L1)12(OAc)44], [Ln8Cd24(L2)12(OAc)44] (Ln = Nd, Yb, Sm)... Read More about Anisotropic lanthanide-based nano-clusters for imaging applications.

Cross-Conjugated Systems Based On An (E)-Hexa-3-en-1,5-diyne-3,4-diyl Skeleton: Spectroscopic and Spectroelectrochemical Investigations (2015)
Journal Article
Gluyas, J., Manici, V., Gückel, S., Vincent, K., Yufit, D., Howard, J., …Low, P. (2015). Cross-Conjugated Systems Based On An (E)-Hexa-3-en-1,5-diyne-3,4-diyl Skeleton: Spectroscopic and Spectroelectrochemical Investigations. Journal of Organic Chemistry, 80(22), 11501-11512. https://doi.org/10.1021/acs.joc.5b02240

A series of cross-conjugated compounds based on an (E)-4,4′-(hexa-3-en-1,5-diyne-3,4-diyl)bis(N,N-bis(4-methoxyphenyl)aniline) skeleton (1–6) have been synthesized. The linear optical absorption properties can be tuned by modification of the substitu... Read More about Cross-Conjugated Systems Based On An (E)-Hexa-3-en-1,5-diyne-3,4-diyl Skeleton: Spectroscopic and Spectroelectrochemical Investigations.

Controlled intracellular generation of reactive oxygen species in human mesenchymal stem cells using porphyrin conjugated nanoparticles (2015)
Journal Article
Lavado, A., Chauhan, V., Zen, A., Giuntini, F., Jones, D., Boyle, R., …Aylott, J. (2015). Controlled intracellular generation of reactive oxygen species in human mesenchymal stem cells using porphyrin conjugated nanoparticles. Nanoscale, 7(34), 14525-14531. https://doi.org/10.1039/c5nr00795j

Nanoparticles capable of generating controlled amounts of intracellular reactive oxygen species (ROS), that advance the study of oxidative stress and cellular communication, were synthesized by functionalizing polyacrylamide nanoparticles with zinc(I... Read More about Controlled intracellular generation of reactive oxygen species in human mesenchymal stem cells using porphyrin conjugated nanoparticles.

Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes (2015)
Journal Article
Davidson, R., Liang, J., Milan, D., Mao, B., Nichols, R., Higgins, S., …Low, P. (2015). Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes. Inorganic Chemistry, 54(11), 5487-5494. https://doi.org/10.1021/acs.inorgchem.5b00507

The ligands 4′-(4-(methylthio)phenyl)-2,2′:6′,2″-terpyridine (L1), 4′-((4-(methylthio)phenyl)ethynyl)- 2,2′:6′,2″-terpyridine (L2), and bis(tridentate) bridging ligand 2,3,5,6-tetra(pyridine-2-yl)pyrazine (tpp) were used to prepare the complexes [Ru(... Read More about Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes.

Applying green chemistry to the photochemical route to artemisinin (2015)
Journal Article
Amara, Z., Bellamy, J., Horvath, R., Miller, S., Beeby, A., Burgard, A., …George, M. (2015). Applying green chemistry to the photochemical route to artemisinin. Nature Chemistry, 7(6), 489-495. https://doi.org/10.1038/nchem.2261

Artemisinin is an important antimalarial drug, but, at present, the environmental and economic costs of its semi-synthetic production are relatively high. Most of these costs lie in the final chemical steps, which follow a complex acid- and photo-cat... Read More about Applying green chemistry to the photochemical route to artemisinin.

Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)](+) (2015)
Journal Article
Davidson, R., Wilson, L., Duckworth, A., Yufit, D., Beeby, A., & Low, P. (2015). Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)](+). Dalton Transactions, 44(25), 11368-11379. https://doi.org/10.1039/c5dt01278c

The ethynyl-phenylene substituted 2,2′:6′,2′′-terpyridine (tpy) derivatives, 4-(phenyl-ethynyl)-2,2′:6′,2′′-terpyridine (L1), 4-(methoxyphenyl-ethynyl)-2,2′:6′,2′′-terpyridine (L2), 4-(tolyl-ethynyl)-2,2′:6′,2′′-terpyridine (L3) and 4-(nitrophenyl-et... Read More about Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)](+).

Dual-Modal Magnetic Resonance/Fluorescent Zinc Probes for Pancreatic β-Cell Mass Imaging (2015)
Journal Article
Stasiuk, G. J., Minuzzi, F., Sae-Heng, M., Rivas, C., Juretschke, H., Piemonti, L., …Long, N. J. (2015). Dual-Modal Magnetic Resonance/Fluorescent Zinc Probes for Pancreatic β-Cell Mass Imaging. Chemistry - A European Journal, 21(13), 5023-5033. https://doi.org/10.1002/chem.201406008

Despite the contribution of changes in pancreatic β-cell mass to the development of all forms of diabetes mellitus, few robust approaches currently exist to monitor these changes prospectively in vivo. Although magnetic-resonance imaging (MRI) provid... Read More about Dual-Modal Magnetic Resonance/Fluorescent Zinc Probes for Pancreatic β-Cell Mass Imaging.

Sub-μs time resolution in wide-field time-correlated single photon counting microscopy obtained from the photon event phosphor decay (2015)
Journal Article
Hirvonen, L. M., Petrášek, Z., Beeby, A., & Suhling, K. (2015). Sub-μs time resolution in wide-field time-correlated single photon counting microscopy obtained from the photon event phosphor decay. New Journal of Physics, 17(2), https://doi.org/10.1088/1367-2630/17/2/023032

Fast frame rate complementary metal–oxide–semiconductor cameras in combination with photon counting image intensifiers can be used for microsecond resolution wide-field fluorescence lifetime imaging with single photon sensitivity, but the time resolu... Read More about Sub-μs time resolution in wide-field time-correlated single photon counting microscopy obtained from the photon event phosphor decay.

Pigments of the Earliest Northumbrian Manuscripts (2015)
Journal Article
Gameson, R., Beeby, A., Duckworth, A., & Nicholson, C. (2015). Pigments of the Earliest Northumbrian Manuscripts. Scriptorium (Gent), 69, 33-59

This article reports the findings of a campaign of non-destructive pigment analysis on a group of seventh- and eighth-century Northumbrian manuscripts, including the Durham Gospels. Integrating this critical mass of new information with the previousl... Read More about Pigments of the Earliest Northumbrian Manuscripts.

Design and synthesis of fluorescent 7-deazaadenosine nucleosides containing pi-extended diarylacetylene motifs (2014)
Journal Article
De Ornellas, S., Slattery, J., Edkins, R., Beeby, A., Baumann, C., & Fairlam, I. (2015). Design and synthesis of fluorescent 7-deazaadenosine nucleosides containing pi-extended diarylacetylene motifs. Organic and Biomolecular Chemistry, 13(1), 68-72. https://doi.org/10.1039/c4ob02081b

C-modified 7-deazaadenosines containing a diphenylacetylene moiety have been synthesised using cross-coupling approaches. The C-modified nucleosides exhibit remarkable fluorescence properties, including high quantum yields. Solvatochromic studies sho... Read More about Design and synthesis of fluorescent 7-deazaadenosine nucleosides containing pi-extended diarylacetylene motifs.

Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorption (2014)
Journal Article
Ji, L., Edkins, R., Sewell, L., Beeby, A., Batsanov, A., Fucke, K., …Marder, T. (2014). Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorption. Chemistry - A European Journal, 20(42), 13618-13635. https://doi.org/10.1002/chem.201402273

Quadrupolar oligothiophene chromophores composed of four to five thiophene rings with two terminal (E)-dimesitylborylvinyl groups (4 V–5 V), and five thiophene rings with two terminal aryldimesitylboryl groups (5 B), as well as an analogue of 5 V wit... Read More about Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorption.

Photocrystallisation of the 2C-2'C dimer of a triphenylimidazolyl radical (2014)
Journal Article
Edkins, R., Probert, M., Robertson, C., Howard, J., Beeby, A., & Robertson, C. (2014). Photocrystallisation of the 2C-2'C dimer of a triphenylimidazolyl radical. RSC Advances, 4(11), 5351-5356. https://doi.org/10.1039/c3ra43892a

The structure of an unusual dimerisation mode of a triphenylimidazolyl radical has been elucidated, revealing a relatively long C–C bond. The diffraction-quality single crystals were produced under continuous irradiation by photocrystallisation in an... Read More about Photocrystallisation of the 2C-2'C dimer of a triphenylimidazolyl radical.

Experimental and Theoretical Studies of the Photophysical Properties of 2- and 2,7-Functionalized Pyrene Derivatives (2011)
Journal Article
Crawford, A., Dwyer, A., Liu, Z., Steffen, A., Beeby, A., Pålsson, L., …Marder, T. (2011). Experimental and Theoretical Studies of the Photophysical Properties of 2- and 2,7-Functionalized Pyrene Derivatives. Journal of the American Chemical Society, 133(34), 13349-13362. https://doi.org/10.1021/ja2006862

Pyrene derivatives substituted at the 2- and 2,7-positions are shown to display a set of photophysical properties different from those of derivatives substituted at the 1-position. It was found that, in the 2- and 2,7-derivatives, there was little in... Read More about Experimental and Theoretical Studies of the Photophysical Properties of 2- and 2,7-Functionalized Pyrene Derivatives.