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Research

Dr Geoffrey Akien

Experimental Officer (NMR)

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  1. 2024
  2. Published

    An alkaline ferrocyanide non-enzymatic electrochemical sensor for creatinine detection

    Bajpai, S., Akien, G. R. & Toghill, K. E., 31/01/2024, In: Electrochemistry Communications. 158, 107624.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    Selective Transesterification to Control Copolymer Microstructure in the Ring-Opening Copolymerization of Lactide and ε-Caprolactone by Lanthanum Complexes

    Beament, B., Britton, D., Malcomson, T., Akien, G. R., Halcovitch, N. R., Coogan, M. P. & Platel, R. H., 8/01/2024, In: Inorganic Chemistry. 63, 1, p. 280–293

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. 2023
  5. Published

    Synthesis of Diverse Allylsilanes Employing Brønsted Acid Catalyzed Reductive Functionalization

    Leonard, E., Akien, G., Britten, T., Kazi, N., Roberts, D. & McLaughlin, M., 21/11/2023, In: Advanced Synthesis & Catalysis. 365, 22, p. 3872-3875 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. Published

    Fluorine-based Zn salan complexes

    Essien, N. B., Galvácsi, A., Kállay, C., Al-Hilaly, Y., González-Méndez, R., Akien, G. R., Tizzard, G. J., Coles, S. J., Besora, M. & Kostakis, G. E., 7/04/2023, In: Dalton Transactions. 52, 13, p. 4044-4057 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  7. Published

    Chiral Co<sub>3</sub>Y Propeller-Shaped Chemosensory Platforms Based on <sup>19</sup>F-NMR

    Audsley, G., Carpenter, H., Essien, N. B., Lai-Morrice, J., Al-Hilaly, Y., Serpell, L. C., Akien, G. R., Tizzard, G. J., Coles, S. J., Ulldemolins, C. P. & Kostakis, G. E., 13/02/2023, In: Inorganic Chemistry. 62, 6, p. 2680-2693 14 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    Hydrogen bond templated synthesis of catenanes and rotaxanes from a single isophthalic acid derivative

    Barlow, S. R., Akien, G. R. & Evans, N. H., 14/01/2023, In: Organic and Biomolecular Chemistry . 21, 2, p. 402-414 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. 2022
  10. Published

    Electrochemically Enhanced Delivery of Pemetrexed from Electroactive Hydrogels

    Au-Yong, S., Firlak, M., Draper, E., Municoy, S., Ashton, M., Akien, G., Halcovitch, N., Baldock, S., Martin-Hirsch, P., Desimone, M. & Hardy, J., 16/11/2022, In: Polymers. 14, 22, 19 p., 4953.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. 2021
  12. Published

    Photochemical Oxidation of Pt(IV)Me3(1,2-diimine) Thiolates to Luminescent Pt(IV) Sulfinates

    Mala, B., Murtagh, L., Farrow, C., Akien, G., Halcovitch, N., Allinson, S., Platts, J. A. & Coogan, M., 17/05/2021, In: Inorganic Chemistry. 60, 10, p. 7031-7043 13 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. 2020
  14. Published

    An amide hydrogen bond templated [1]rotaxane displaying a peptide motif - demonstrating an expedient route to synthetic mimics of lasso peptides

    Young, M. J., Akien, G. R. & Evans, N. H., 21/07/2020, In: Organic and Biomolecular Chemistry . 18, 27, p. 5203-5209 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Electroactive Silk Fibroin Films for Electrochemically Enhanced Delivery of Drugs

    Mousavi, S., Harper, G., Municoy, S., Ashton, M., Townsend, D., Alsharif, G., Oikonomou, V., Au-Yong, S., Murdock, B., Akien, G., Halcovitch, N., Baldock, S., Fazilati, M., Kolosov, O., Robinson, B., Desimone, M. & Hardy, J., 1/06/2020, In: Macromolecular Materials and Engineering. 305, 6, 7 p., 2000130.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. 2019
  17. Published

    Factors affecting the nucleus-independent chemical shift in NMR studies of microporous carbon electrode materials

    Cervini, L., Lynes, O. D., Akien, G. R., Kerridge, A., Barrow, N. S. & Griffin, J. M., 1/09/2019, In: Energy Storage Materials. 21, p. 335-346 12 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    Accelerated acquisition in pure-shift spectra based on prior knowledge from 1H NMR

    Shchukina, A., Kaźmierczak, M., Kasprzak, P., Davy, M., Akien, G., Butts, C. & Kazimierczuk, K., 18/07/2019, In: Chemical Communications. 55, 64, p. 9563-9566 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. Published

    An efficient preparation of 1,2-dihydropyridazines through a Diels-Alder/palladium-catalysed elimination sequence

    Britten, T. K., Akien, G. R., Kemmitt, P. D., Halcovitch, N. R. & Coote, S. C., 30/05/2019, In: Tetrahedron Letters. 60, 22, p. 1498-1500 3 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  20. 2018
  21. Published

    Epigallocatechin-3-gallate remodels apolipoprotein A-I amyloid fibrils into soluble oligomers in the presence of heparin

    Townsend, D., Hughes, E., Akien, G., Stewart, K. L., Radford, S. E., Rochester, D. & Middleton, D. A., 17/08/2018, In: Journal of Biological Chemistry. 293, 33, p. 12877-12893 17 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    Enhanced process development using automated continuous reactors by self-optimisation algorithms and statistical empirical modelling

    Jeraal, M. I., Holmes, N., Akien, G. R. & Bourne, R. A., 21/06/2018, In: Tetrahedron. 74, 25, p. 3158-3164 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. Published

    Dinucleating Schiff base ligand in Zn/4f coordination chemistry: synthetic challenges and catalytic activity evaluation

    Sampani, S. I., Aubert, S., Cattoen, M., Griffiths, K., Abdul-Sada, A., Akien, G. R., Tizzard, G. J., Coles, S. J., Arseniyadis, S. & Kostakis, G. E., 7/04/2018, In: Dalton Transactions. 47, 13, p. 44786-4493 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  24. Published

    Self-assembly of singlet-emitting double-helical silver dimers: the curious coordination chemistry and fluorescence of bisquinolylpyridone

    Farrow, C., Halcovitch, N. R., Akien, G. R., Platts, J. A. & Coogan, M. P., 21/03/2018, In: Dalton Transactions. 47, 11, p. 3906-3912 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    Rapid and simultaneous synthesis of a hydrogen bond template [3]rotaxane and its related [2]rotaxane molecular shuttle

    Evans, N. H. & Akien, G. R., 02/2018, In: Supramolecular Chemistry. 30, 2, p. 158-164 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. 2017
  27. Published

    3d/4f Coordination Clusters as Cooperative Catalysts for Highly Diastereoselective Michael Addition Reactions

    Griffiths, K., Tsipis, A. C., Kumar, P., Townrow, O. P. E., Abdul-Sada, A., Akien, G. R., Baldansuren, A., Spivey, A. C. & Kostakis, G. E., 21/08/2017, In: Inorganic Chemistry. 56, 16, p. 9563-9573 11 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  28. Published

    Intensified and safe ozonolysis of fatty acid methyl esters in liquid CO2 in a continuous reactor

    Lundin, M. D., Danby, A. M., Akien, G. R., Venkitasubramanian, P., Martin, K. J., Busch, D. H. & Subramaniam, B., 07/2017, In: AIChE Journal. 63, 7, p. 2819-2826 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Rapid multistep kinetic model generation from transient flow data

    Hone, C. A., Holmes, N., Akien, G. R., Bourne, R. A. & Muller, F. L., 1/04/2017, In: Reaction Chemistry and Engineering. 2, 2, p. 103-108 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  30. 2016
  31. Published

    [N,N-Bis(2-hy­droxy­eth­yl)di­thio­carbamato-[kappa]2S,S']bis­(tri­phenyl­phosphane-[kappa]P)copper(I) chloro­form monosolvate: crystal structure, Hirshfeld surface analysis and solution NMR measurements

    Tan, S. L., Yeo, C. I., Heard, P. J., Akien, G. R., Halcovitch, N. R. & Tiekink, E. R. T., 12/2016, In: Acta Crystallographica Section E: Crystallographic Communications. 72, 12, p. 1799-1805 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  32. Published

    Self-optimisation of the final stage in the synthesis of EGFR kinase inhibitor AZD9291 using an automated flow reactor

    Holmes, N., Akien, G. R., Blacker, A. J., Woodward, R. L., Meadows, R. E. & Bourne, R. A., 1/08/2016, In: Reaction Chemistry and Engineering. 1, 4, p. 366-371 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    Atomic details of the interactions of Glycosaminoglycans with amyloid-β fibrils

    Stewart, K., Hughes, E., Yates, E., Akien, G. R., Huang, T-Y., Lima, M., Rudd, T., Guerrini, M., Hung, S-C., Radford, S. & Middleton, D. A., 13/07/2016, In: Journal of the American Chemical Society. 138, 27, p. 8328-8331 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  34. Published

    Tetranuclear Zn/4f coordination clusters as highly efficient catalysts for Friedel–Crafts alkylation

    Griffiths, K., Kumar, P., Akien, G. R., Chilton, N. F., Abdul-Sada, A., Tizzard, G. J., Coles, S. J. & Kostakis, G. E., 25/06/2016, In: Chemical Communications. 52, 50, p. 7866-7869 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  35. Published

    Online quantitative mass spectrometry for the rapid adaptive optimisation of automated flow reactors

    Holmes, N., Akien, G. R., Savage, R. J. D., Stanetty, C., Baxendale, I. R., Blacker, A. J., Taylor, B. A., Woodward, R. L., Meadows, R. E. & Bourne, R. A., 2016, In: Reaction Chemistry and Engineering. 2016, 1, p. 96-100 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  36. 2015
  37. Published

    Liquid CO2 as a safe and benign solvent for the ozonolysis of fatty acid methyl esters

    Akien, G. R., Lundin, M. D., Danby, A. M., Binder, T. P., Busch, D. H. & Subramaniam, B., 7/12/2015, In: ACS Sustainable Chemistry and Engineering. 3, 12, p. 3307-3314 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  38. Published

    Dinuclear Lanthanide (III) Coordination Polymers in a Domino Reaction

    Loukopoulos, E., Griffiths, K., Akien, G., Kourkomelis, N., Abdul-Sada, A. & Kostakis, G. E., 6/11/2015, In: Inorganics. 3, 4, p. 448-466 9 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  39. Published

    Continuous hydroformylation with phosphine-functionalized polydimethylsiloxane rhodium complexes as nanofilterable homogeneous catalysts

    Xie, Z., Akien, G. R., Sarkar, B. R., Subramaniam, B. & Chaudhari, R. V., 14/10/2015, In: Industrial and Engineering Chemistry Research. 54, 43, p. 10656-10660 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  40. Published

    Definition and application of ethanol equivalent: sustainability performance metrics for biomass conversion to carbon-based fuels and chemicals

    Csefalvay, E., Akien, G. R., Qi, L. & Horvath, I. T., 1/01/2015, In: Catalysis Today. 239, p. 50-55 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  41. 2014
  42. Published

    Supercritical fluids and gas-expanded liquids as tunable media for multiphase catalytic reactions

    Subramaniam, B., Chaudhari, R. V., Chaudhari, A. S., Akien, G. R. & Xie, Z., 1/08/2014, In: Chemical Engineering Science. 115, p. 3-18 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  43. Published

    Catalytic conversion of fructose, glucose, and sucrose to 5-(hydroxymethyl)furfural and levulinic and formic acids in gamma-valerolactone as a green solvent

    Qi, L., Mui, Y. F., Lo, S. W., Lui, M. Y., Akien, G. R. & Horvath, I. T., 05/2014, In: ACS Catalysis. 4, 5, p. 1470-1477 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  44. Published

    Generation and characterization of the pyranosyl and furanosyl oxocarbenium ions from 2-deoxyaldoses

    Akien, G. & Subramaniam, B., 20/03/2014.

    Research output: Contribution to conference - Without ISBN/ISSN › Abstract › peer-review

  45. 2013
  46. Published

    Direct observation of the fructofuranosyl oxocarbenium ion: a critical intermediate in the valorization of carbohydrates

    Akien, G. & Subramaniam, B., 10/04/2013.

    Research output: Contribution to conference - Without ISBN/ISSN › Abstract › peer-review

  47. Published

    Mechanistic studies on the dehydration of glucose to 5-hydroxymethylfurfural and xylose to furfural

    Akien, G., Qi, L. & Horvath, I. T., 10/04/2013.

    Research output: Contribution to conference - Without ISBN/ISSN › Abstract › peer-review

  48. 2012
  49. Published

    Sustainable catalytic reaction engineering with gas-expanded liquids

    Subramaniam, B. & Akien, G. R., 1/08/2012, In: Current Opinion in Chemical Engineering. 1, 3, p. 336-341 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  50. Published

    Synthesis in Green Solvents

    Orha, L., Akien, G. & Horvath, I. T., 15/04/2012, Handbook of Green Chemistry: Online. Wiley-VCH, Vol. 7.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter (peer-reviewed) › peer-review

  51. Published

    Molecular mapping of the acid catalysed dehydration of fructose

    Akien, G. R., Qi, L. & Horvath, I. T., 2012, In: Chemical Communications. 48, 47, p. 5850-5852 3 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  52. 2011
  53. Published

    Self-optimizing continuous reactions in supercritical carbon dioxide

    Parrott, A. J., Bourne, R. A., Akien, G. R., Irvine, D. J. & Poliakoff, M., 11/04/2011, In: Angewandte Chemie International Edition. 50, 16, p. 3788-3792 5 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  54. Published

    Sustainable synthesis of gamma-valerolactone

    Horvath, I. T., Qi, L. & Akien, G. R., 27/03/2011, In: Abstracts of Papers of the American Chemical Society. 241, 1 p.

    Research output: Contribution to Journal/Magazine › Meeting abstract › peer-review

  55. 2010
  56. Published

    Detecting phase transitions in supercritical mixtures: an enabling tool for greener chemical reactions

    Ke, J., Sanchez-Vicente, Y., Akien, G. R., Novitskiy, A. A., Comak, G., Bagratashvili, V. N., George, M. W. & Poliakoff, M., 8/10/2010, In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 466, 2122, p. 2799-2818 20 p.

    Research output: Contribution to Journal/Magazine › Literature review › peer-review

  57. Published

    Pressure drop as a simple method for locating phase transitions in continuous flow high pressure reactors

    Akien, G. R., Skilton, R. A. & Poliakoff, M., 19/05/2010, In: Industrial and Engineering Chemistry Research. 49, 10, p. 4974-4980 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  58. Published

    Continuous heterogeneous catalytic oxidation of primary and secondary alcohols in scCO(2)

    Chapman, A. O., Akien, G. R., Arrowsmith, N. J., Licence, P. & Poliakoff, M., 2010, In: Green Chemistry. 12, 2, p. 310-315 6 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  59. Published

    Conversion of carbohydrates to liquid fuels

    Akien, G., Qi, L. & Horváth, I. T., 2010, Thermochemical Conversion of Biomass to Liquid Fuels and Chemicals. Crocker, M. (ed.). Cambridge: RSC Publishing, p. 365-381 17 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Chapter (peer-reviewed) › peer-review

  60. Published

    The continuous catalytic debenzylation of 1,4-Dibenzyloxybenzene with H-2 in THF expanded with high pressure CO2

    Akien, G. R., Legeay, J-C., Wells, A. & Poliakoff, M., 2010, In: Organic Process Research and Development. 14, 5, p. 1202-1208 7 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  61. 2009
  62. Published

    A critical look at reactions in class I and II gas-expanded liquids using CO2 and other gases

    Akien, G. R. & Poliakoff, M., 2009, In: Green Chemistry. 11, 8, p. 1083-1100 18 p.

    Research output: Contribution to Journal/Magazine › Literature review › peer-review

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