Caroline Elizabeth Helen Dessent

Search results

• 2025

  Fragmentation and Isomerization Pathways of Natural and Synthetic Cannabinoids Studied via Higher Collisional Energy Dissociation Profiles

  Selwe, K. P., Shaikh, A. S. A., Uleanya, K. O. & Dessent, C. E. H., Feb 2025, In: MOLECULES. 30, 3, 717.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2024

  N-Aromatic Complexation in Tetraphenyl Porphyrin Iron (III)-Pyridine: Evidence of Spin-Flip via Gas-Phase Electronic Spectroscopy

  Uleanya, K. O., Wilson, S. A. & Dessent, C. E. H., 18 Sept 2024, (E-pub ahead of print) In: ChemPhysChem. 11 p., e202400669.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Nontargeted Screening of Contaminants of Emerging Concern in the Glen Valley Wastewater Treatment Plant, Botswana

  Selwe, K. P., Sallach, J. B. & Dessent, C. E. H., 1 Jan 2024, In: Environmental Toxicology and Chemistry. 43, 1, p. 52-61 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Suspect and non-targeted screening of chemical pollutants in Botswana's aquatic environments

  Selwe, K. P., Head, C. R., Phokedi, G. N., Andersen, J. E. T., Sallach, J. B. & Dessent, C. E. H., Sept 2024, In: Emerging Contaminants. 10, 3, 11 p., 100377.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2023

  A Resource to Support Decolonization of the Undergraduate Chemistry Curriculum

  Uleanya, K. O., Furfari, S. K., Jones, L. C., Selwe, K. P., Milner, A. B. & Dessent, C. E. H., 11 Jul 2023, In: JOURNAL OF CHEMICAL EDUCATION. 100, 7, 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Laser Interfaced Mass Spectrometry of the Sunscreen Molecule Octocrylene Demonstrates that Protonation Does Not Impact Photostability

  Anstöter, C. S., Wong, N. G. K., Selwe, K. P. & Dessent, C. E. H., 8 Sept 2023, (E-pub ahead of print) In: Chemphotochem. 8 p., e202300133.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photodissociative decay pathways of the flavin mononucleotide anion and its complexes with tryptophan and glutamic acid

  Uleanya, K., Dessent, C. E. H. & Anstoter, C. S., 3 Nov 2023, In: Physical chemistry chemical physics : PCCP. 23, p. 30697-30707 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2022

  Decolonizing the Undergraduate Chemistry Curriculum: An Account of How to Start

  Dessent, C. E. H., Dawood, R. A., Jones, L. C., Matharu, A. S., Smith, D. K. & Uleanya, K. O., 1 Jan 2022, In: JOURNAL OF CHEMICAL EDUCATION. 99, p. 5-9 5 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

• Emerging contaminant exposure to aquatic systems in the Southern African Development Community

  Selwe, K. P., Thorn, J. P. R., Desrousseaux, A. O. S., Dessent, C. E. H. & Sallach, J. B., Feb 2022, In: Environmental Toxicology and Chemistry. 41, 2, p. 382-395 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Illuminating the Effect of the Local Environment on the Performance of Organic Sunscreens: Insights From Laser Spectroscopy of Isolated Molecules and Complexes

  Wong, N. G. K. & Dessent, C. E. H., 12 Jan 2022, In: Frontiers in Chemistry. 9, 9, 812098.

  Research output: Contribution to journal › Review article › peer-review

  Open Access

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• Photochemical Degradation of the UV Filter Octyl Methoxy Cinnamate Probed via Laser-Interfaced Mass Spectrometry

  Wong, N. G. K., Sereli, M., Anstöter, C. S. & Dessent, C. E. H., 12 Dec 2022, In: MOLECULES. 27, 24, 10 p., 8796.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photostability of the Deprotonated Forms of the UV Filters Homosalate and Octyl Salicylate: Molecular Dissociation versus Electron Detachment Following UV Excitation

  Dessent, C. E. H., Wong, N., Anstoter, C. S. & Rankine, C., 27 Jun 2022, In: Physical Chemistry Chemical Physics. p. 17068 17076 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Probing the electronic relaxation pathways and photostability of the synthetic nucleobase Z via laser interfaced mass spectrometry.

  Whitaker, W., Moncrieff, K. E., Anstöter, C. S., Wong, N. G. K., Berenbeim, J. A. & Dessent, C. E. H., 23 Nov 2022, In: Physical chemistry chemical physics : PCCP. 24, 45, p. 27836-27846 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• What Makes a Professional Chemist? Embedding Equality, Diversity, and Inclusion into Chemistry Skills Training for Undergraduates

  Jones, L., Sarju, J. P., Dessent, C. E. H., Matharu, A. S. & Smith, D. K., Jan 2022, In: JOURNAL OF CHEMICAL EDUCATION. 99, p. 480-486

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2021

  A “one pot” mass spectrometry technique for characterizing solution- and gas-phase photochemical reactions by electrospray mass spectrometry

  Cercola, R., Wong, N., Rhodes, C., Olijnyk, L., Mistry, N. S., Hall, L., Berenbeim, J., Lynam, J. M. & Dessent, C. E. H., 28 May 2021, In: RSC Advances. 11, p. 19500-19507 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Investigating the mapping of chromophore excitations onto the electron detachment spectrum: Photodissociation spectroscopy of iodide ion-thiouracil clusters

  Uleanya, K. O. & Dessent, C. E. H., 14 Jan 2021, In: Physical Chemistry Chemical Physics. 23, 2, p. 1021-1030 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Linking Electronic Relaxation Dynamics and Ionic Photofragmentation Patterns for the Deprotonated UV Filter Benzophenone-4

  Wong, N., Rankine, C. & Dessent, C. E. H., 15 Mar 2021, In: JOURNAL OF PHYSICAL CHEMISTRY LETTERS. 12, 11, p. 2831-2836 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Measurement of the Population of Electrosprayed Deprotomers of Coumaric Acids Using UV–Vis Laser Photodissociation Spectroscopy

  Wong, N., Rankine, C. & Dessent, C. E. H., 3 Aug 2021, In: Journal of Physical Chemistry A. 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photodegradation of Riboflavin under Alkaline Conditions: What Can Gas-Phase Photolysis Tell Us about What Happens in Solution?

  Wong, N., Rhodes, C. & Dessent, C. E. H., 3 Oct 2021, (E-pub ahead of print) In: MOLECULES. 26, 19, 16 p., 6009.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2020

  Direct Measurement of the Visible to UV Photodissociation Processes for the PhotoCORM TryptoCORM

  Dessent, C. E. H., Cercola, R., Wong, N., Lynam, J. M., Fairlamb, I. J. S., Hammarback, A., Garand, E., Fischer, K. & Sherman, S., 10 Apr 2020, (E-pub ahead of print) In: Chemistry : A European Journal.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Observation of Enhanced Dissociative Photochemistry in the Non-Native Nucleobase 2-Thiouracil

  Dessent, C. E. H., Cercola, R., Uleanya, K., Wong, N., Nikolova, M. & Matthews, E., 10 Jul 2020, In: MOLECULES. 25, 14, 17 p., 3157.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photoproducts of the Photodynamic Therapy Agent Verteporfin Identified via Laser Interfaced Mass Spectrometry

  Furlan, C., Berenbeim, J. A. & Dessent, C. E. H., 12 Nov 2020, In: Molecules (Basel, Switzerland). 25, 22, 13 p., 5280.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Sodium cationization can disrupt the intramolecular hydrogen bond that mediates the sunscreen activity of oxybenzone

  Berenbeim, J. A., Wong, N. G. K., Cockett, M. C. R., Berden, G., Oomens, J., Rijs, A. M. & Dessent, C. E. H., 16 Sept 2020, In: Physical Chemistry Chemical Physics. 22, 35, p. 19522-19531 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Unravelling the Keto–Enol Tautomer Dependent Photochemistry and Degradation Pathways of the Protonated UVA Filter Avobenzone

  Berenbeim, J., Wong, N., Cockett, M. C. R., Burden, G., Oomens, J., Rijs, A. & Dessent, C. E. H., 25 Mar 2020, (E-pub ahead of print) In: Journal of Physical Chemistry A. 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2019

  Direct Observation of Photochemical Free Radical Production from the Sunscreen 2‐Phenylbenzimidazole‐5‐Sulfonic Acid via Laser‐Interfaced Mass Spectrometry

  Wong, N. G. K., Berenbeim, J. & Dessent, C. E. H., 12 Aug 2019, (E-pub ahead of print) In: Chemphotochem. 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Electron detachment dynamics of the iodide-guanine cluster: does ionization occur from the iodide or from guanine? does ionization occur from the iodide or from guanine?

  Cercola, R., Uleanya, K. O. & Dessent, C. E. H., 20 Oct 2019, (E-pub ahead of print) In: Molecular Physics.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Exotic Systems: General Discussion

  Dessent, C. E. H., Johnson, M., Gerber, B., Wester, R., Asmis, K., Avdonin, I., Bieske, E., Gatchell, M., Bull, J., Sarre, P., Gaigeot, M.-P., Chou, C.-W., Mabbs, R., Jordan, K., Beyer, M. K., McCaslin, L., Krylov, A., Schlemmer, S., McCoy, A. B. & Verlet, J. & 4 others, Meir, Z., Simons, J., Gabelica , V. & Willitsch, S., 9 Jul 2019, In: FARADAY DISCUSSIONS. p. 601-622 22 p.

  Research output: Contribution to journal › Comment/debate › peer-review

• Going large(r): General Discussion

  Ahmed, M., Daly, S., Dessent, C. E. H., Dopfer, O., Gabelica , V., Gaigeot, M.-P., Gatchell, M., Gerber, B., Gibbard , J., Johnson, C. W., Johnson, M., Jordan, K., Krylov, A., Lovelock, K., Mayer, M., McCaslin, L., McCoy, A. B., Neumark, D., Nielsen, S. B. & Oomens, J. & 10 others, Rijs, A., Rizzo , T., Roithová, J., Simons, J., Stockett, M., Trevitt, A., Verlet, J., Wang, X. B., Wester, R. & Xantheas, S., 9 Jul 2019, In: FARADAY DISCUSSIONS. p. 476-513 38 p.

  Research output: Contribution to journal › Comment/debate › peer-review

• Mapping the intrinsic absorption properties and photodegradation pathways of the protonated and deprotonated forms of the sunscreen oxybenzone

  Wong, N. G. K., Berenbeim, J., Hawkridge, M., Matthews, E. & Dessent, C. E. H., 17 Jan 2019, (E-pub ahead of print) In: Physical Chemistry Chemical Physics. 1-11, 11

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Near-threshold electron transfer in anion-nucleobase clusters: Does the identity of the anion matter?

  Cercola, R., Matthews, E. & Dessent, C. E. H., 24 Mar 2019, (E-pub ahead of print) In: Molecular Physics. 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Pushing resolution in frequency and time: general discussion

  Simons, J., Johnson, M., Asmis, K., McCoy, A. B., Daly, S., Wester, R., Rijs, A., Sarre, P., Gaigeot, M.-P., Mabbs, R., Jordan, K., Dessent, C. E. H., Neumark, D., Chou, C.-W., Gerber, B., Dopfer, O., Oomens, J., Krylov, A., Schlemmer, S. & Willitsch, S. & 9 others, Verlet, J., Wild, R. J., Gatchell, M., Stockett, M., Roithová, J., Beyer, M. K., Xantheas, S., Gibbard , J. & Dohnal, P., 1 Jul 2019, In: FARADAY DISCUSSIONS. p. 290-321 32 p.

  Research output: Contribution to journal › Comment/debate › peer-review
• 2018

  Observation of Near-Threshold Resonances in the Flavin Chromophore Anions Alloxazine and Lumichrome

  Matthews, E. & Dessent, C. E. H., 2 Oct 2018, In: JOURNAL OF PHYSICAL CHEMISTRY LETTERS. 9, 20, p. 6124-6130 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photoexcitation of iodide ion-pyrimidine clusters above the electron detachment threshold: Intracluster electron transfer versus nucleobase-centred excitations

  Matthews, E., Cercola, R., Mensa-Bonsu, G., Neumark, D. M. & Dessent, C. E. H., 28 Feb 2018, In: Journal of Chemical Physics. 148, 8, 084304.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Protomer-Dependent Electronic Spectroscopy and Photochemistry of the Model Flavin Chromophore Alloxazine

  Dessent, C. E. H., Matthews, E. & Cercola, R., 14 Aug 2018, In: MOLECULES. 23, 8, 17 p., 2036.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2017

  Experiment and theory confirm that UV laser photodissociation spectroscopy can distinguish protomers formed via electrospray

  Matthews, E. & Dessent, C. E. H., 14 Jul 2017, In: Physical chemistry chemical physics : PCCP. 19, 26, p. 17434-17440 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photoexcitation of Adenosine 5'-Triphosphate Anions in Vacuo: Probing the Influence of Charge State on the UV Photophysics of Adenine

  Cercola, R., Matthews, E. & Dessent, C. E. H., 8 Jun 2017, In: Journal of Physical Chemistry B. 121, 22, p. 5553-5561 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2016

  Locating the Proton in Nicotinamide Protomers via Low-Resolution UV Action Spectroscopy of Electrosprayed Solutions

  Dessent, C. E. H. & Matthews, E., 24 Nov 2016, In: Journal of Physical Chemistry A. 120, 46, p. 9209-9216 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• Photodissociation dynamics of the iodide-uracil (I-U) complex

  Li, W. L., Kunin, A., Matthews, E., Yoshikawa, N., Dessent, C. E. H. & Neumark, D. M., 29 Jul 2016, (E-pub ahead of print) In: Journal of Chemical Physics. 145, 4, 8 p., 044319.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• UV laser photoactivation of hexachloroplatinate bound to individual nucleobases: In vacuo as molecular level probes of a model photopharmaceutical

  Matthews, E., Sen, A., Yoshikawa, N., Bergström, E. & Dessent, C. E. H., 14 Jun 2016, In: Physical Chemistry Chemical Physics. 18, 22, p. 15143-15152 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

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• 2015

  Communication: Evidence for dipole-bound excited states in gas-phase I- · MI (M = Na, K, Cs) anionic salt microclusters

  Harvey, A. J. A., Yoshikawa, N., Wang, J. G. & Dessent, C. E. H., 14 Sept 2015, In: Journal of Chemical Physics. 143, 10, 101103.

  Research output: Contribution to journal › Article › peer-review

• Electron Detachment as a Probe of Intrinsic Nucleobase Dynamics in Dianion-Nucleobase Clusters: Photoelectron Spectroscopy of the Platinum II Cyanide Dianion Bound to Uracil, Thymine, Cytosine, and Adenine

  Sen, A., Hou, G. L., Wang, X. B. & Dessent, C. E. H., 5 Aug 2015, In: Journal of Physical Chemistry B. 119, 35, p. 11626-11631 6 p.

  Research output: Contribution to journal › Article › peer-review

• Photoelectron spectroscopy of hexachloroplatinate-nucleobase complexes: Nucleobase excited state decay observed via delayed electron emission

  Sen, A., Matthews, E. M., Hou, G. L., Wang, X. B. & Dessent, C. E. H., 1 Jan 2015, In: Journal of Chemical Physics. 143, 18, p. 1-9 9 p., 184307.

  Research output: Contribution to journal › Article › peer-review

• UV laser spectroscopy of mass-selected ionic liquid building blocks in the gas-phase

  Harvey, A. J. A., Sen, A., Yoshikawa, N. & Dessent, C. E. H., 1 Aug 2015, In: Chemical Physics Letters. 634, p. 216-220 5 p.

  Research output: Contribution to journal › Article › peer-review
• 2014

  Communication: Photoactivation of nucleobase bound platinum^II metal complexes: Probing the influence of the nucleobase

  Sen, A. & Dessent, C. E. H., 28 Dec 2014, In: Journal of Chemical Physics. 141, 24, 241101.

  Research output: Contribution to journal › Article › peer-review

• Mapping the UV photophysics of platinum metal complexes bound to nucleobases: Laser spectroscopy of isolated Uracil·pt(CN)₄^2- and Uracil·Pt(CN)₆^2- complexes

  Sen, A. & Dessent, C. E. H., 2 Oct 2014, In: JOURNAL OF PHYSICAL CHEMISTRY LETTERS. 5, 19, p. 3281-3285 5 p.

  Research output: Contribution to journal › Article › peer-review

• Solvent evaporation versus proton transfer in nucleobase-Pt(CN) _4,6 ^2- dianion clusters: A collisional excitation and electronic laser photodissociation spectroscopy study

  Sen, A., Luxford, T. F. M., Yoshikawa, N. & Dessent, C. E. H., 7 Aug 2014, In: Physical Chemistry Chemical Physics. 16, 29, p. 15490-15500 11 p.

  Research output: Contribution to journal › Article › peer-review
• 2013

  Complexation of anions to gas-phase amino acids: Conformation is critical in determining if the global minimum is canonical or zwitterionic

  Walker, M., Sen, A., Harvey, A. J. A. & Dessent, C. E. H., 19 Nov 2013, In: Chemical Physics Letters. 588, p. 43-46 4 p.

  Research output: Contribution to journal › Article › peer-review

• Complexation of carboxylate anions with the arginine gas-phase amino acid: Effects of chain length on the geometry of extended ion binding

  Luxford, T. F. M., Milner, E. M., Yoshikawa, N., Bullivant, C. & Dessent, C. E. H., 9 Jul 2013, In: Chemical Physics Letters. 577, p. 1-5

  Research output: Contribution to journal › Article › peer-review

• Performance of M06, M06-2X, and M06-HF density functionals for conformationally flexible anionic clusters: M06 functionals perform better than B3LYP for a model system with dispersion and ionic hydrogen-bonding interactions

  Harvey, A. J. A., Sen, A., Dessent, C. E. H. & Walker, M., 27 Nov 2013, In: Journal of Physical Chemistry A. 117, 47, p. 12590-12600

  Research output: Contribution to journal › Article › peer-review
• 2012

  Collision-Induced Dissociation of Halide Ion-Arginine Complexes: Evidence for Anion-Induced Zwitterion Formation in Gas-Phase Arginine

  Milner, E. M., Nix, M. G. D. & Dessent, C. E. H., 19 Jan 2012, In: Journal of Physical Chemistry A. 116, 2, p. 801-809 9 p.

  Research output: Contribution to journal › Article › peer-review