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Developing Porous Ortho- and Pyrophosphate-Containing Glass Microspheres; Structural and Cytocompatibility Characterisation (2022)
Journal Article
Milborne, B., Murrell, L., Cardillo-Zallo, I., Titman, J., Briggs, L., Scotchford, C., …Ahmed, I. (2022). Developing Porous Ortho- and Pyrophosphate-Containing Glass Microspheres; Structural and Cytocompatibility Characterisation. Bioengineering, 9(11), Article 611. https://doi.org/10.3390/bioengineering9110611

Phosphate-based glasses (PBGs) are promising materials for bone repair and regeneration as they can be formulated to be compositionally similar to the inorganic components of bone. Alterations to the PBG formulation can be used to tailor their degrad... Read More about Developing Porous Ortho- and Pyrophosphate-Containing Glass Microspheres; Structural and Cytocompatibility Characterisation.

Yttrium doped phosphate-based glasses: structural and degradation analyses (2020)
Journal Article
Arafat, A., Samad, S. A., Titman, J. J., Lewis, A. L., Barney, E. R., & Ahmed, I. (2020). Yttrium doped phosphate-based glasses: structural and degradation analyses. Biomedical Glasses, 6(1), 34-49. https://doi.org/10.1515/bglass-2020-0004

This study investigates the role of yttrium in phosphate-based glasses in the system 45(P2O5)-25(CaO)-(30-x)(Na2O)-x(Y2O3) (0?x?5) prepared via melt quenching and focuses on their structural characterisation and degradation properties. The structural... Read More about Yttrium doped phosphate-based glasses: structural and degradation analyses.

Halide Mixing and Phase Segregation in Cs2AgBiX6 (X=Cl, Br, I) Double Perovskites from Cesium-133 Solid-State NMR and Optical Spectroscopy (2020)
Journal Article
Kubicki, D. J., Saski, M., MacPherson, S., Galkowski, K., Lewiński, J., Prochowicz, D., …Stranks, S. D. (2020). Halide Mixing and Phase Segregation in Cs2AgBiX6 (X=Cl, Br, I) Double Perovskites from Cesium-133 Solid-State NMR and Optical Spectroscopy. Chemistry of Materials, 32(19), 8129–8138. https://doi.org/10.1021/acs.chemmater.0c01255

All-inorganic double perovskites (elpasolites) are a promising potential alternatives to lead halide perovskites in optoelectronic applications. Although halide mixing is a well-established strategy for band gap tuning, little is known about halide m... Read More about Halide Mixing and Phase Segregation in Cs2AgBiX6 (X=Cl, Br, I) Double Perovskites from Cesium-133 Solid-State NMR and Optical Spectroscopy.

Low dimensional nanostructures of fast ion conducting lithium nitride (2020)
Journal Article
Tapia-Ruiz, N., Gordon, A. G., Jewell, C. M., Edwards, H. K., Dunnill, C. W., Blackman, J. M., …Gregory, D. H. (2020). Low dimensional nanostructures of fast ion conducting lithium nitride. Nature Communications, 11, Article 4492. https://doi.org/10.1038/s41467-020-17951-6

As the only stable binary compound formed between an alkali metal and nitrogen, lithium nitride is a material with remarkable properties and a model material for energy applications involving the transport of lithium ions. Following a materials desig... Read More about Low dimensional nanostructures of fast ion conducting lithium nitride.

Low dimensional nanostructures of fast ion conducting lithium nitride (2020)
Journal Article
Tapia-Ruiz, N., Gordon, A. G., Jewell, C. M., Edwards, H. K., Dunnill, C. W., Blackman, J. M., …Gregory, D. H. (2020). Low dimensional nanostructures of fast ion conducting lithium nitride. Nature Communications, 11(1), Article 4492. https://doi.org/10.1038/s41467-020-17951-6

© 2020, The Author(s). As the only stable binary compound formed between an alkali metal and nitrogen, lithium nitride possesses remarkable properties and is a model material for energy applications involving the transport of lithium ions. Following... Read More about Low dimensional nanostructures of fast ion conducting lithium nitride.

Catalytic nanosponges of acidic aluminosilicates for plastic degradation and CO2 to fuel conversion (2020)
Journal Article
Maity, A., Chaudhari, S., Titman, J. J., & Polshettiwar, V. (2020). Catalytic nanosponges of acidic aluminosilicates for plastic degradation and CO2 to fuel conversion. Nature Communications, 11(1), Article 3828 (2020). https://doi.org/10.1038/s41467-020-17711-6

The synthesis of solid acids with strong zeolite-like acidity and textural properties like amorphous aluminosilicates (ASAs) is still a challenge. In this work, we report the synthesis of amorphous “acidic aluminosilicates (AAS)”, which possesses Brø... Read More about Catalytic nanosponges of acidic aluminosilicates for plastic degradation and CO2 to fuel conversion.

Natural fluorapatite dissolution kinetics and Mn2+ and Cr3+ metal removal from sulfate fluids at 35 °C (2020)
Journal Article
Vandeginste, V., Cowan, C., Gomes, R. L., Hassan, T., & Titman, J. (2020). Natural fluorapatite dissolution kinetics and Mn2+ and Cr3+ metal removal from sulfate fluids at 35 °C. Journal of Hazardous Materials, 389, Article 122150. https://doi.org/10.1016/j.jhazmat.2020.122150

In light of the consequences of global warming and population growth, access to safe drinking water becomes an ever greater challenge, in particular in low to middle income countries in arid regions. Moreover, mining which may cause acid mine drainag... Read More about Natural fluorapatite dissolution kinetics and Mn2+ and Cr3+ metal removal from sulfate fluids at 35 °C.

The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses (2019)
Journal Article
Islam, M. T., Sharmin, N., Rance, G. A., Titman, J. J., Parsons, A. J., Hossain, K. M. Z., & Ahmed, I. (2020). The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 108(3), 674-686. https://doi.org/10.1002/jbm.b.34421

Varying formulations in the glass system of 40P2O5─(24 − x)MgO─(16 + x)CaO─(20 − y)Na2O─yTiO2 (where 0 ≤ x ≤ 22 and y = 0 or 1) were prepared via melt-quenching. The structure of the glasses was confirmed by X-ray diffraction (XRD), Fourier transform... Read More about The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses.

Ion exchange and binding in selenium remediation materials using DNP-enhanced solid-state NMR spectroscopy (2019)
Journal Article
Mais, M., Torroba, J., Barrow, N. S., Paul, S., & Titman, J. J. (2019). Ion exchange and binding in selenium remediation materials using DNP-enhanced solid-state NMR spectroscopy. Solid State Nuclear Magnetic Resonance, 98, 19-23. https://doi.org/10.1016/j.ssnmr.2019.01.004

Selenate-loaded selenium water remediation materials based on polymer fibres have been investigated by dynamic nuclear polarization (DNP) enhanced solid-state NMR. For carbon-13 a significant reduction in experiment time is obtained with DNP even whe... Read More about Ion exchange and binding in selenium remediation materials using DNP-enhanced solid-state NMR spectroscopy.

Mammalian cell-driven polymerisation of pyrrole (2018)
Journal Article
Sherman, H. G., Jain, A., Stolnik, S., Alexander, C., Rawson, F. J., & Hicks, J. (2018). Mammalian cell-driven polymerisation of pyrrole. ChemBioChem, 20(8), 1008-1013. https://doi.org/10.1002/cbic.201800630

A model cancer cell line was used to initiate polymerisation of pyrrole to form the conducting material polypyrrole. The polymerisation was shown to occur via cytosolic exudates rather than via membrane redox sites which normally control the oxidatio... Read More about Mammalian cell-driven polymerisation of pyrrole.

Dynamic nuclear polarisation enhanced solid-state nuclear magnetic resonance studies of surface modification of γ-alumina (2018)
Journal Article
Mais, M., Paul, S., Barrow, N. S., & Titman, J. J. (2018). Dynamic nuclear polarisation enhanced solid-state nuclear magnetic resonance studies of surface modification of γ-alumina. Johnson Matthey Technology Review, 62(3), 271-278. https://doi.org/10.1595/205651318x696765

Dynamic nuclear polarization (DNP) gives large (>100-fold) signal enhancements in solid-state NMR spectra via the transfer of spin polarization from unpaired electrons from radicals implanted in the sample. This means that the detailed information ab... Read More about Dynamic nuclear polarisation enhanced solid-state nuclear magnetic resonance studies of surface modification of γ-alumina.

Gallium incorporation into phosphate based glasses: bulk and thin film properties (2018)
Journal Article
Stuart, B. W., Grant, C. A., Stan, G. E., Popa, A. C., Titman, J. J., & Grant, D. M. (2018). Gallium incorporation into phosphate based glasses: bulk and thin film properties. Journal of the Mechanical Behavior of Biomedical Materials, 82, https://doi.org/10.1016/j.jmbbm.2018.03.041

The osteogenic ions Ca2+, P5+, Mg2+, and antimicrobial ion Ga3+ were homogenously dispersed into a 1.45 mum thick phosphate glass coating by plasma assisted sputtering onto CP grade titanium. The objective was to deliver therapeutic ions in orthopedi... Read More about Gallium incorporation into phosphate based glasses: bulk and thin film properties.

Structure of ancient glass by 29Si magic angle spinning NMR (2018)
Journal Article
Bradford, H., Ryder, A., Henderson, J., & Titman, J. J. (2018). Structure of ancient glass by 29Si magic angle spinning NMR. Chemistry - A European Journal, 24(29), 7474-7479. https://doi.org/10.1002/chem.201800483

29Si magic angle spinning (MAS) NMR spectroscopy is applied for the first time to the structural analysis of ancient glass samples obtained from archaeological excavations. The results show that it is possible to establish the distribution of Si envi... Read More about Structure of ancient glass by 29Si magic angle spinning NMR.

1H CSA parameters by ultrafast MAS NMR: measurement and applications to structure refinement (2017)
Journal Article
Miah, H. K., Cresswell, R., Iuga, D., & Titman, J. J. (2017). 1H CSA parameters by ultrafast MAS NMR: measurement and applications to structure refinement. Solid State Nuclear Magnetic Resonance, 87, 67-72. https://doi.org/10.1016/j.ssnmr.2017.02.002

A 1H anisotropic-isotropic chemical shift correlation experiment which employs symmetry-based recoupling sequences to reintroduce the chemical shift anisotropy in ?1 and ultrafast MAS to resolve 1H sites in ?2 is described. This experiment is used to... Read More about 1H CSA parameters by ultrafast MAS NMR: measurement and applications to structure refinement.

Organic matter chemistry controls greenhouse gas emissions from permafrost peatlands (2016)
Journal Article
Sjögersten, S., Caul, S., Daniell, T., Jurd, A., O'Sullivan, O., Stapleton, C., & Titman, J. J. (2016). Organic matter chemistry controls greenhouse gas emissions from permafrost peatlands. Soil Biology and Biochemistry, 98, https://doi.org/10.1016/j.soilbio.2016.03.016

Large tracts of arctic and subarctic peatlands are underlain by permafrost. These peatlands store large quantities of carbon (C), and are currently under severe threat from climate change. The aim of this study was to determine the size and organic c... Read More about Organic matter chemistry controls greenhouse gas emissions from permafrost peatlands.

Measuring 19F shift anisotropies and 1H–19F dipolar interactions with ultrafast MAS NMR (2015)
Journal Article
Martini, F., Miah, H. K., Iuga, D., Geppi, M., & Titman, J. J. (2015). Measuring 19F shift anisotropies and 1H–19F dipolar interactions with ultrafast MAS NMR. Journal of Magnetic Resonance, 259, https://doi.org/10.1016/j.jmr.2015.08.004

A new 19F anisotropic–isotropic shift correlation experiment is described that operates with ultrafast MAS, resulting in good resolution of isotropic 19F shifts in the detection dimension. The new experiment makes use of a recoupling sequence designe... Read More about Measuring 19F shift anisotropies and 1H–19F dipolar interactions with ultrafast MAS NMR.

Correlating structure with non-linear optical properties in xAs40Se60 x (1 ? x)As40S60 glasses (2015)
Journal Article
Barney, E. R., Abdel-Moneim, N. S., Towey, J. J., Titman, J., McCarthy, J. E., Bookey, H. T., …Seddon, A. B. (2015). Correlating structure with non-linear optical properties in xAs40Se60 x (1 − x)As40S60 glasses. Physical Chemistry Chemical Physics, 17(9), 6314-6327. https://doi.org/10.1039/c4cp05599c

A series of xAs40Se60·(100 − x)As40S60 glasses, where x = 0, 25, 33, 50, 67, 75 and 100 mol% As40Se60, has been studied using neutron and X-ray total scattering, Raman spectroscopy and 77Se MAS-NMR. The results are presented with measurements of non-... Read More about Correlating structure with non-linear optical properties in xAs40Se60 x (1 ? x)As40S60 glasses.

Porous macromolecular dihydropyridyl frameworks exhibiting catalytic and halochromic activity (2014)
Journal Article
Xiao, B., Easun, T. L., Dhakshinamoorthy, A., Cebula, I., Beton, P. H., Titman, J. J., …Schröder, M. (2014). Porous macromolecular dihydropyridyl frameworks exhibiting catalytic and halochromic activity. Journal of Materials Chemistry A, 2(46), 19889-19896. https://doi.org/10.1039/c4ta02521k

New porous macromolecular frameworks (PMFs) have been designed and prepared by the condensation of dialdehydes with aminoacrylonitriles. Two porous materials were prepared by reacting 3,3′-benzene-1,4-diylbis(3-aminoprop-2-enenitrile) with benzene-1,... Read More about Porous macromolecular dihydropyridyl frameworks exhibiting catalytic and halochromic activity.

The role of copper(ii) in the aggregation of human amylin (2014)
Journal Article
Sinopoli, A., Magrì, A., Milardi, D., Pappalardo, M., Pucci, P., Flagiello, A., …Grasso, G. (2014). The role of copper(ii) in the aggregation of human amylin. Metallomics, 6(10), 1841-1852. https://doi.org/10.1039/c4mt00130c

Amylin is the 37-residue peptide hormone produced by the islet ?-cells in the pancreas and the formation of amylin aggregates is strongly associated with ?-cells degeneration in type 2 diabetes, as demonstrated by more than 95% of patients exhibiting... Read More about The role of copper(ii) in the aggregation of human amylin.