Deborah O'Connell

Search results

• 2021

  Chemical kinetics and density measurements of OH in an atmospheric pressure He + O₂ + H₂O radiofrequency plasma

  Brisset, A. H. M. B., Gibson, A. R., Schröter, S., Niemi, K., Booth, J-P., Gans, T., O'Connell, D. & Wagenaars, E., 4 May 2021, In: Journal of Physics D: Applied Physics. 54, 28, 29 p., 285201.

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

  Open Access

  File
• 2020

  Biophysical characterization of DNA origami nanostructures reveals inaccessibility to intercalation binding sites

  Miller, H., Contera, S., Wollman, A. J. M., Hirst, A. M., Dunn, K., Schröter, S., O'Connell, D. & Leake, M. C., 23 Mar 2020, In: Nanotechnology. 31, 23, 10 p., 235605.

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

  Open Access

  File

• Reproducibility of `COST Reference Microplasma Jets'

  Riedel, F., Golda, J., Held, J., Davies, H., Van Der Woude, M., Niemi, K., Bredin, J., Gans, T., Schulz-von der Gathen, V. & O'Connell, D., 17 Sep 2020, In: Plasma Sources Science and Technology. 29, 9, p. 1-12 12 p., 095018.

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

  Open Access

  File

• The formation of atomic oxygen and hydrogen in atmospheric pressure plasmas containing humidity: picosecond two-photon absorption laser induced fluorescence and numerical simulations

  Schröter, S., Bredin, J., Gibson, A. R., West, A., Dedrick, J. P., Wagenaars, E., Niemi, K., Gans, T. & O'Connell, D., 15 Oct 2020, In: Plasma Sources Science and Technology. 29, 10, 17 p., 105001.

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

  Open Access

  File

• The spatial distribution of hydrogen and oxygen atoms in a cold atmospheric pressure plasma jet

  Klose, S. J., Ellis, J., Riedel, F., Schröter, S., Niemi, K., Semenov, I., Weltmann, K-D., Gans, T., O'Connell, D. & van Helden, J-P., 21 Dec 2020, In: Plasma Sources Science and Technology. 29, 12, 12 p., 125018.

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

  Open Access

  File
• 2019

  Disrupting the spatio-temporal symmetry of the electron dynamics in atmospheric pressure plasmas by voltage waveform tailoring

  Gibson, A. R., Donkó, Z., Alelyani, L. A. A., Bischoff, L., Hübner, G., Bredin, J., Doyle, S. J., Korolov, I., Niemi, K., Mussenbrock, T., Hartmann, P., Dedrick, J. P., Schulze, J., Gans, T. & O'Connell, D., 7 Jan 2019, In: Plasma Sources Science and Technology. 28, 1, 7 p., 01LT01.

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

  Open Access

  File

• Notch signalling is a potential resistance mechanism of progenitor cells within patient-derived prostate cultures following ROS-inducing treatments

  Packer, J. R., Hirst, A. M., Droop, A. P., Adamson, R., Simms, M. S., Mann, V. M., Frame, F. M., O'Connell, D. & Maitland, N. J., 17 Sep 2019, In: FEBS Letters. 18 p.

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

  Open Access

  File
• 2018

  Chemical kinetics in an atmospheric pressure helium plasma containing humidity

  Schröter, S., Wijaikhum, A., Gibson, A. R., West, A., Davies, H. L., Minesi, N., Dedrick, J. P., Wagenaars, E., de Oliveira, N., Nahon, L., Kushner, M. J., Booth, J-P., Niemi, K., Gans, T. & O'Connell, D., 26 Sep 2018, In: Physical Chemistry Chemical Physics. 20, 37, p. 24263-24286 24 p.

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

  Open Access

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• Experimental benchmark of kinetic simulations of capacitively coupled plasmas in molecular gases

  Donkó, Z., Derzsi, A., Korolov, I., Hartmann, P., Brandt, S., Schulze, J., Burger, B., Koepke, M., Bruneau, B., Johnson, E. V., Lafleur, T., Booth, J-P., Gibson, A. R., O'Connell, D. & Gans, T., Jan 2018, In: Plasma Physics and Controlled Fusion.

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

  Open Access

  File

• Numerical study of the influence of surface reaction probabilities on reactive species in an rf atmospheric pressure plasma containing humidity

  Schröter, S., Gibson, A. R., Kushner, M. . J., Gans, T. & O'Connell, D., Jan 2018, In: Plasma Physics and Controlled Fusion. 60, 1, p. 1-10 10 p.

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

  Open Access

  File

• Recent developments in surface science and engineering, thin films, nanoscience, biomaterials, plasma science, and vacuum technology

  Mozetič, M., Vesel, A., Primc, G., Eisenmenger-Sittner, C., Bauer, J., Eder, A., Schmid, G. H. S., Ruzic, D. N., Ahmed, Z., Barker, D., Douglass, K. O., Eckel, S., Fedchak, J. A., Hendricks, J., Klimov, N., Ricker, J., Scherschligt, J., Stone, J., Strouse, G., Capan, I., & 31 othersBuljan, M., Milošević, S., Teichert, C., Cohen, S. R., Silva, A. G., Lehocky, M., Humpoliček, P., Rodriguez, C., Hernandez-Montelongo, J., Mercier, D., Manso-Silván, M., Ceccone, G., Galtayries, A., Stana-Kleinschek, K., Petrov, I., Greene, J. E., Avila, J., Chen, C. Y., Caja-Munoz, B., Yi, H., Boury, A., Lorcy, S., Asensio, M. C., Bredin, J., Gans, T., O'Connell, D., Brendin, J., Reniers, F., Vincze, A., Anderle, M. & Montelius, L., 30 Aug 2018, In: THIN SOLID FILMS. 660, p. 120-160 41 p.

  Research output: Contribution to journal › Review article › peer-review
• 2017

  Absolute ozone densities in a radio-frequency driven atmospheric pressure plasma using two-beam UV-LED absorption spectroscopy and numerical simulations

  Wijaikhum, A., Schröder, D., Schröter, S., Gibson, A. R., Niemi, K., Friderich, J., Greb, A., Schulz-von der Gathen, V., O'Connell, D. & Gans, T., 17 Oct 2017, In: Plasma Sources Science & Technology, IoP Publishing. p. 1-27 27 p.

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

  Open Access

  File

• Controlled production of atomic oxygen and nitrogen in a pulsed radio-frequency atmospheric-pressure plasma

  Dedrick, J. P., Schröter, S., Niemi, K., Wijaikhum, A., Wagenaars, E., de Oliveira, N., Nahon, L., Booth, J-P., O'Connell, D. & Gans, T., 15 Nov 2017, In: Journal of Physics D: Applied Physics. 50, 45, p. 1-7 7 p., 455204.

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

  Open Access

  File

• Initiating radical reactions with non-thermal plasmas

  Gorbanev, Y., Leifert, D., Studer, A., O'Connell, D. & Chechik, V., 4 Apr 2017, In: Chemical Communications. 53, 26, p. 3685-3688 4 p.

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

  Open Access

  File

• Investigation of the radially resolved oxygen dissociation degree and local mean electron energy in oxygen plasmas in contact with different surface materials

  Tsutsumi, T., Greb, A., Gibson, A. R., Hori, M., O'Connell, D. & Gans, T., 10 Apr 2017, In: Journal of Applied Physics. 121, 14, p. 143301

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

  Open Access

  File

• Non-target Biomolecules Alter Macromolecular Changes Induced by Bactericidal Low-temperature Plasma

  Privat Maldonado, A., Gorbanev, Y., O'Connell, D., Vann, R. G. L., Chechik, V. & Van Der Woude, M., 11 Oct 2017, In: IEEE Transactions on Radiation and Plasma Medical Sciences.

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

  Open Access

  File

• Power coupling mode transitions induced by tailored voltage waveforms in capacitive oxygen discharges

  Derzsi, A., Bruneau, B., Gibson, A. R., Johnson, E. V., O'Connell, D., Gans, T., Booth, J-P. & Donkó, Z., 7 Feb 2017, In: Plasma sources science & technology. 26, 3, 16 p., 034002.

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

  Open Access

  File
• 2016

  Bridging the gap between global models and full fluid models: a fast 1D semi-analytical fluid model for electronegative plasmas

  Hurlbatt, R. A. D., O'Connell, D. & Gans, T., 14 Jun 2016, In: Plasma sources science & technology. 25, 4, p. 1-16 16 p., 045011.

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

  Open Access

  File

• Capacitively coupled hydrogen plasmas sustained by tailored voltage waveforms: excitation dynamics and ion flux asymmetry

  Bruneau, B., Diomede, P., Economou, DJ., Longo, S., Gans, T., O'Connell, D., Greb, A., Johnson, E. V. & Booth, J-P., 8 Jul 2016, In: Plasma sources science & technology. 25, 4, p. 1-9 9 p., 045019.

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

  Open Access

  File

• Concepts, Capabilities, and Limitations of Global Models: A Review

  Hurlbatt, R. A. D., Gibson, A. R., Schröter, S., Bredin, J., Foote, A., Grondein, P., O'Connell, D. & Gans, T., 7 Nov 2016, In: Plasma Processes and Polymers. p. 1-21 21 p.

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

  Open Access

  File

• Concepts and characteristics of the ‘COST Reference Microplasma Jet’

  Golda, J., Held, J., Redeker, B., Konkowski, M., Beijer, P., Sobota, A., Kroesen, G., Braithwaite, N. S. J., Reuter, S., Turner, M. M., Gans, T., O'Connell, D. & Schulz-von der Gathen, V., 20 Jan 2016, In: Journal of Physics D: Applied Physics. 49, p. 1-11 11 p., 084003.

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

  Open Access

  File

• Effect of gas properties on the dynamics of the electrical slope asymmetry effect in capacitive plasmas: comparison of Ar, H2 and CF4

  Bruneau, B., Lafleur, T., Gans, T., O'Connell, D., Greb, A., Korolov, I., Derzsi, A., Donko, Z., Brandt, S., Schüngel, E., Schulze, J., Diomede, P., Economou, DJ., Longo, S., Johnson, E. & Booth, J-P., 1 Feb 2016, In: Plasma sources science & technology. 25, 1, p. 1-6 6 p., 01LT02.

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

  Open Access

  File

• Electron power absorption dynamics in capacitive radio frequency discharges driven by tailored voltage waveforms in CF4

  Brandt, S., Berger, B., Schüngel, E., Korolov, I., Derzsi, A., Bruneau, B., Johnson, E. V., Lafleur, T., O'Connell, D., Koepke, M., Gans, T., Booth, J-P., Donko, Z. & Schulze, J., 29 Jun 2016, In: Plasma sources science & technology. 25, 4, p. 1-17 17 p., 045015.

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

  Open Access

  File

• Low temperature plasmas as emerging cancer therapeutics: the state of play and thoughts for the future

  Hirst, A. M., Frame, F. M., Arya, M., Maitland, N. J. & O'Connell, D., 2016, In: Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine. 11 p.

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

  Open Access

  File

• Non-Thermal Plasma in Contact with Water: The Origin of Species

  Gorbanev, Y., O'Connell, D. & Chechik, V., 24 Feb 2016, In: Chemistry : A European Journal. 22, 10, p. 3496-3505 10 p.

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

  Open Access

  File

• Reactions of nitroxide radicals in aqueous solutions exposed to non-thermal plasma: limitations of spin trapping of the plasma induced species

  Gorbanev, Y., Stehling, N., Chechik, V. & O'Connell, D., 31 Aug 2016, In: Plasma sources science & technology. 25, 5, 10 p., 055017.

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

  Open Access

  File

• Slope and amplitude asymmetry effects on low frequency capacitively coupled carbon tetrafluoride plasmas

  Bruneau, B., Korolov, I., Lafleur, T., Gans, T., O'Connell, D., Greb, A., Derzsi, A., Donko, Z., Brandt, S., Schüngel, E., Schulze, J., E, J. & Booth, J-P., 26 Apr 2016, In: Journal of Applied Physics. 119, p. 163301-1 - 163301-10 10 p., 163301.

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

  Open Access

  File

• Spatial Dependence of DNA Damage in Bacteria due to Low-Temperature Plasma Application as Assessed at the Single Cell Level

  Privat Maldonado, A., O'Connell, D., Welch, E., Vann, R. G. L. & Van Der Woude, M., 19 Oct 2016, In: Scientific Reports. 6, 10 p., 35646.

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

  Open Access

  File

• Tailored voltage waveform capacitively coupled plasmas in electronegative gases: frequency dependence of asymmetry effects

  Schüngel, E., Korolov, I., Bruneau, B., Derzsi, A., Johnson, E. V., O'Connell, D., Gans, T., Booth, J-P., Donko, Z. & Schulze, J., 31 May 2016, In: Journal of Physics D: Applied Physics. 49, 26, p. 1-15 15 p., 265203.

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

  Open Access

  File
• 2015

  Atomic oxygen and hydroxyl density measurements in an atmospheric pressure RF-plasma with water admixtures using UV and synchrotron VUV absorption spectroscopy

  Schröter, S., Foucher, M., Niemi, K., Dedrick, J. P., de Oliveira, N., Joyeux, D., Nahon, L., Wagenaars, E., Gans, T., Booth, J-P. & O'Connell, D., 2015, Proc 22nd ISPC. 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  Open Access

  File

• Electron dynamics and frequency coupling in a radio-frequency capacitively biased planar coil inductively coupled plasma system

  Zaka-ul-Islam, M., O'Connell, D., Graham, W. G. & Gans, T., 15 Jul 2015, In: Plasma sources science & technology. 24, 044007.

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

• Influence of surface conditions on plasma dynamics and electron heating in a radio-frequency driven capacitively coupled oxygen plasma

  Greb, A., Gibson, A. R., Niemi, K., O'Connell, D. & Gans, T., 26 Jun 2015, In: Plasma sources science & technology. 24, 4, 14 p., 044003.

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

• In Focus: Plasma Medicine

  Graves, D., Hamaguchi, S. & O'Connell, D., 2015, In: Biointerfaces, AVS Publications. 10, 2, p. 1-2 2 p.

  Research output: Contribution to journal › Editorial

• Low-temperature plasma treatment induces DNA damage leading to necrotic cell death in primary prostate epithelial cells

  Hirst, A. M., Simms, M. S., Mann, V. M., Maitland, N. J., O'connell, D. & Frame, F. M., 28 Apr 2015, In: British journal of cancer. 112, 9, p. 1536-1545 10 p.

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

• Strong Ionization Asymmetry in a Geometrically Symmetric Radio Frequency Capacitively Coupled Plasma Induced by Sawtooth Voltage Waveforms

  Bruneau, B., Gans, T., O'Connell, D., Greb, A., Johnson, E. V. & Booth, J-P., 26 Mar 2015, In: Physical Review Letters. 114, 12, 5 p., 125002.

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

  Afterglow chemistry of atmospheric-pressure helium–oxygen plasmas with humid air impurity

  Murakami, T., Niemi, K., Gans, T., O'Connell, D. & Graham, W. G., 1 Apr 2014, In: Plasma sources science & technology. 23, 2, 12 p., 025005.

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

• Energy resolved actinometry for simultaneous measurement of atomic oxygen densities and local mean electron energies in radio-frequency driven plasmas

  Greb, A., Niemi, K., O'Connell, D. & Gans, T., 11 Dec 2014, In: Applied Physics Letters. 105, 4 p., 234105.

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

  Open Access

  File

• Interactions of a non-thermal atmospheric pressure plasma effluent with PC-3 prostate cancer cells

  Gibson, A. R., McCarthy, H. O., Ali, A. A., O'Connell, D. & Graham, W. G., 8 Dec 2014, In: Plasma Processes and Polymers. 11, 12, p. 1142-1149 8 p.

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

• Low Temperature Plasma: A Novel Focal Therapy for Localized Prostate Cancer?

  Hirst, A. M., Frame, F. M., Maitland, N. J. & O'Connell, D., 13 Mar 2014, In: BioMed Research International. 2014, 878319.

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

  Open Access

  File

• Low temperature plasma causes double-strand break DNA damage in primary epithelial cells cultured from a human prostate Tumor

  Hirst, A. M., Frame, F. M., Maitland, N. J. & O'Connell, D., 1 Oct 2014, In: IEEE transactions on plasma science. 42, 10, p. 2740-2741 2 p., 6894576.

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

• Observations of a mode transition in a hydrogen hollow cathode discharge using phase resolved optical emission spectroscopy

  Dixon, S., Charles, C., Dedrick, J., Gans, T., O'Connell, D. & Boswell, R., 7 Jul 2014, In: Applied Physics Letters. 105, 1, 4 p., 014104.

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

• Phase Resolved Imaging of a Repetitive Extrusion of Hydrogen Plasma From a Hollow Cathode Source

  Dixon, S., Dedrick, J. P., Charles, C., Gans, T., O'Connell, D. & Boswell, R. W., 21 Oct 2014, In: IEEE transactions on plasma science. 42, 10, p. 2834-2835 2 p.

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

  Absolute atomic oxygen and nitrogen densities in radio-frequency driven atmospheric pressure cold plasmas: Synchrotron vacuum ultra-violet high-resolution Fourier-transform absorption measurements

  Niemi, K., O'Connell, D., de Oliveira, N., Joyeux, D., Nahon, L., Booth, J-P. & Gans, T., 2013, In: Applied Physics Letters. 103, 3, 4 p., 034102.

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

• Chemical kinetics and reactive species in atmospheric pressure helium–oxygen plasmas with humid-air impurities

  Murakami, T., Niemi, K., Gans, T., O'Connell, D. & Graham, W. G., Feb 2013, In: Plasma sources science & technology. 22, 1, p. 1-29 29 p., 015003.

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

• Comparison of a global model to semi-kinetic fluid simulations for atmospheric pressure radio-frequency plasmas

  Niemi, K., Gans, T. & O'Connell, D., Jun 2013, In: Plasma sources science & technology. 22, 3, p. 1-5 5 p., 032001.

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

• Direct optical measurements of reactive nitrogen species (RNS) in cold atmospheric-pressure plasma jets

  West, A. T., Niemi, K., O'Connell, D., Gans, T. & Wagenaars, E., Aug 2013, Proc 21st ISPC. p. 1-3 3 p. 106OR

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Formation of spatially periodic fronts of high-energy electrons in a radio-frequency driven surface microdischarge

  Dedrick, J. P., O'Connell, D., Gans, T., Boswell, R. W. & Charles, C., 25 Jan 2013, In: Applied Physics Letters. 102, 3, 4 p., 034109.

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

• Improved fluid simulations of radio-frequency plasmas using energy dependent ion mobilities

  Greb, A., Niemi, K., O'Connell, D., Ennis, G. J., MacGearailt, N. & Gans, T., May 2013, In: Physics of Plasmas. 20, 5, p. 1-9 9 p., 053502.

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

• Interacting kinetics of neutral and ionic species in an atmospheric-pressure helium–oxygen plasma with humid air impurities

  Murakami, T., Niemi, K., Gans, T., O'Connell, D. & Graham, W. G., Aug 2013, In: Plasma sources science & technology. 22, 4, p. 1-12 045010.

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

• Nanosecond optical imaging spectroscopy of an electrothermal radiofrequency plasma thruster plume

  Charles, C., Dedrick, J. P., Boswell, R., O'Connell, D. & Gans, T., 16 Sep 2013, In: Applied Physics Letters. 103, 12, 3 p., 124103.

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