
Overview
Background
After completing my undergraduate and postgraduate studies at the University of Newcastle, I held a Postdoctoral Fellowship at the University of Basel (Switzerland) from 1990-2. I returned to Australia in 1993 to take up an Australian Research Council Postdoctoral Fellowship at the Australian National University (Canberra) from 1993-4. I joined The University of Queensland in 1994.
Availability
- Professor Paul Bernhardt is:
- Available for supervision
- Media expert
Fields of research
Qualifications
- Doctor of Philosophy, University of Newcastle
Research interests
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Protein Electrochemistry
This research involves incorporating redox active enzymes with electrochemical systems such that the enzyme functions natively whilst in communication with an electrode (rather than with a natural electron transfer partner). We are currently investigating a number of systems, most from the molybdenum enzyme family that catalyse oxygen transfer reactions of both organic and inorganic substrates.
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Copper Complexes as Atom Transfer Radical Catalysts
Atom transfer radical polymerisation (ATRP) is one of the most widely used 'controlled' radical polymerisation techniques and has resulted in polymers with well defined molecular weights and architectures. Our work is focused on complexes that catalyse this process by generating organic radicals from the simple reaction between a Cu(I) complex and an alkyl halide initiator. We can probe this atom transfer reaction with cyclic voltammetry and we have gained new insight to this interesting and fundamentally important reaction. This has now progressed to developing electrocatalytic synthetic methods for C-C bond formation reactions in collaboration with Prof. Craig Williams (SCMB).
Research impacts
My research interests include all aspects of coordination chemistry; particularly its relevance to the areas of electrochemistry, bioinorganic chemistry, spectroscopy and catalysis.
In recent years some of the areas in which we have been, and continue to be, actively involved include:
- Enzyme electrochemistry (collaborations with several UQ and international groups).
- Invesitigation of copper complexes that are active in atom transfer radical polymerisation catalysis
- Transition metal-mediated organic oxidation and reduction reactions
Works
Search Professor Paul Bernhardt’s works on UQ eSpace
2018
Journal Article
NMR, X-Ray Crystal Structure Studies and Mechanism for Formation of a Novel Di-gallium Complex and 5-Methoxy-4,5,6-triphenyl-4,5-dihydro-1,2,4-triazene-3(2H)-thione
Venkatachalam, T. K., Bernhardt, Paul V., Pierens, G. K. and Reutens, D. C. (2018). NMR, X-Ray Crystal Structure Studies and Mechanism for Formation of a Novel Di-gallium Complex and 5-Methoxy-4,5,6-triphenyl-4,5-dihydro-1,2,4-triazene-3(2H)-thione. Journal of Chemical Crystallography, 49 (3), 131-138. doi: 10.1007/s10870-018-0745-z
2018
Journal Article
The central active site arginine in sulfite oxidizing enzymes alters kinetic properties by controlling electron transfer and redox interactions
Hsiao, Ju-Chun, McGrath, Aaron P., Kielmann, Linda, Kalimuthu, Palraj, Darain, Farzana, Bernhardt, Paul V., Harmer, Jeffrey, Lee, Mihwa, Meyers, Kimberley, Maher, Megan J. and Kappler, Ulrike (2018). The central active site arginine in sulfite oxidizing enzymes alters kinetic properties by controlling electron transfer and redox interactions. Biochimica et Biophysica Acta - Bioenergetics, 1859 (1), 19-27. doi: 10.1016/j.bbabio.2017.10.001
2017
Journal Article
Redox-coupled structural changes in copper chemistry: Implications for atom transfer catalysis
Zerk, Timothy J. and Bernhardt, Paul V. (2017). Redox-coupled structural changes in copper chemistry: Implications for atom transfer catalysis. Coordination Chemistry Reviews, 375, 173-190. doi: 10.1016/j.ccr.2017.11.016
2017
Journal Article
Elucidating the mechanism of the Ley-Griffith (TPAP) alcohol oxidation
Zerk, Timothy J., Moore, Peter W., Harbort, Joshua S., Chow, Sharon, Byrne, Lindsay, Koutsantonis, George A., Harmer, Jeffrey R., Martinez, Manuel, Williams, Craig M. and Bernhardt, Paul V. (2017). Elucidating the mechanism of the Ley-Griffith (TPAP) alcohol oxidation. Chemical Science, 8 (12), 8435-8442. doi: 10.1039/c7sc04260d
2017
Journal Article
Chemical Diversity from a Chinese Marine Red Alga, Symphyocladia latiuscula
Xu, Xiuli, Yang, Haijin, Khalil, Zeinab G, Yin, Liyuan, Xiao, Xue, Neupane, Pratik, Bernhardt, Paul V, Salim, Angela A, Song, Fuhang and Capon, Robert J (2017). Chemical Diversity from a Chinese Marine Red Alga, Symphyocladia latiuscula. Marine drugs, 15 (12) 374, 1-10. doi: 10.3390/md15120374
2017
Journal Article
A nanoporous cytochrome c film with highly ordered porous structure for sensing of toxic vapors
Lawrence, Geoffrey, Kalimuthu, Palraj, Benzigar, Mercy, Shelat, Kinnari J., Lakhi, Kripal S., Park, Dae-Hwan, Ji, Qingmin, Ariga, Katsuhiko, Bernhardt, Paul V. and Vinu, Ajayan (2017). A nanoporous cytochrome c film with highly ordered porous structure for sensing of toxic vapors. Advanced Materials, 29 (42) 1702295, 1702295. doi: 10.1002/adma.201702295
2017
Journal Article
Kinetico-mechanistic Study on the Oxidation of Biologically Active Iron(II) Bis(thiosemicarbazone) Complexes by Air. Importance of NH···O2 Interactions As Established by Activation Volumes
Bernhardt, Paul V, Gonzálvez, Miguel A and Martínez, Manuel (2017). Kinetico-mechanistic Study on the Oxidation of Biologically Active Iron(II) Bis(thiosemicarbazone) Complexes by Air. Importance of NH···O2 Interactions As Established by Activation Volumes. Inorganic chemistry, 56 (22), 14284-14290. doi: 10.1021/acs.inorgchem.7b02381
2017
Journal Article
A Novel Strategy to Introduce 18F, a Positron Emitting Radionuclide, into a Gallium Nitrate Complex: Synthesis, NMR, X-Ray Crystal Structure, and Preliminary Studies on Radiolabelling with 18F
Venkatachalam, Taracad K., Bernhardt, Paul V., Stimson, Damion H. R., Pierens, Gregory K., Bhalla, Rajiv and Reutens, David C. (2017). A Novel Strategy to Introduce 18F, a Positron Emitting Radionuclide, into a Gallium Nitrate Complex: Synthesis, NMR, X-Ray Crystal Structure, and Preliminary Studies on Radiolabelling with 18F. Australian Journal of Chemistry, 71 (3), 81-86. doi: 10.1071/CH17334
2017
Journal Article
Human mitochondrial amidoxime reducing component (mARC): An electrochemical method for identifying new substrates and inhibitors
Kalimuthu, Palraj, Havemeyer, Antje, Clement, Bernd, Kubitza, Christian, Scheidig, Axel J. and Bernhardt, Paul V. (2017). Human mitochondrial amidoxime reducing component (mARC): An electrochemical method for identifying new substrates and inhibitors. Electrochemistry Communications, 84, 90-93. doi: 10.1016/j.elecom.2017.10.003
2017
Journal Article
Bioelectrocatalysis of sulfite dehydrogenase from Sinorhizobium meliloti with its physiological cytochrome electron partner
Kalimuthu, Palraj, Hsiao, Ju-Chun, Nair, Remya Purushothaman, Kappler, Ulrike and Bernhardt, Paul V. (2017). Bioelectrocatalysis of sulfite dehydrogenase from Sinorhizobium meliloti with its physiological cytochrome electron partner. ChemElectroChem, 4 (12), 3163-3170. doi: 10.1002/celc.201700838
2017
Journal Article
Chitosan-promoted direct electrochemistry of human sulfite oxidase
Kalimuthu, Palraj, Belaidi, Abdel A., Schwarz, Guenter and Bernhardt, Paul V. (2017). Chitosan-promoted direct electrochemistry of human sulfite oxidase. Journal of Physical Chemistry B, 121 (39), 9149-9159. doi: 10.1021/acs.jpcb.7b06712
2017
Journal Article
A novel class of thiosemicarbazones show multi-functional activity for the treatment of Alzheimer's disease
Palanimuthu, Duraippandi, Poon, Rachal, Sahni, Sumit, Anjum, Rukhsana, Hibbs, David, Lin, Hsuan-Yu, Bernhardt, Paul V., Kalinowski, Danuta S. and Richardson, Des R. (2017). A novel class of thiosemicarbazones show multi-functional activity for the treatment of Alzheimer's disease. European Journal of Medicinal Chemistry, 139, 612-632. doi: 10.1016/j.ejmech.2017.08.021
2017
Journal Article
Predicting and experimental evaluating bio-electrochemical synthesis — A case study with Clostridium kluyveri
Koch, Christin, Kuchenbuch, Anne, Kracke, Frauke, Bernhardt, Paul V., Krömer, Jens and Harnisch, Falk (2017). Predicting and experimental evaluating bio-electrochemical synthesis — A case study with Clostridium kluyveri. Bioelectrochemistry, 118, 114-122. doi: 10.1016/j.bioelechem.2017.07.009
2017
Journal Article
Erratum to: Anoxic metabolism and biochemical production in Pseudomonas putida F1 driven by a bioelectrochemical system
Lai, Bin, Yu, Shiqin, Bernhardt, Paul V., Rabaey, Korneel, Virdis, Bernardino and Kroemer, Jens O. (2017). Erratum to: Anoxic metabolism and biochemical production in Pseudomonas putida F1 driven by a bioelectrochemical system. Biotechnology for Biofuels, 10 (1) 155, 155. doi: 10.1186/s13068-017-0843-8
2017
Journal Article
Asymmetric sequential Cu-catalyzed 1,6/1,4-conjugate additions of hard nucleophiles to cyclic dienones: determination of absolute configurations and origins of enantioselectivity
Blons, Charlie, Morin, Marie S. T., Schmid, Thibault E., Vives, Thomas, Colombel-Rouen, Sophie, Basle, Olivier, Reynaldo, Thibault, Covington, Cody L., Halbert, Stephanie, Cuskelly, Sean N., Bernhardt, Paul V., Williams, Craig M., Crassous, Jeanne, Polavarapu, Prasad L., Crevisy, Christophe, Gerard, Helene and Mauduit, Marc (2017). Asymmetric sequential Cu-catalyzed 1,6/1,4-conjugate additions of hard nucleophiles to cyclic dienones: determination of absolute configurations and origins of enantioselectivity. Chemistry-A European Journal, 23 (31), 7515-7525. doi: 10.1002/chem.201606034
2017
Journal Article
Cover Picture: Towards the Total Synthesis of Gedunin: Construction of the Fully Elaborated ABC Ring System (Asian J. Org. Chem. 5/2017)
Pinkerton, David M., Bernhardt, Paul V., Savage, G. Paul and Williams, Craig M. (2017). Cover Picture: Towards the Total Synthesis of Gedunin: Construction of the Fully Elaborated ABC Ring System (Asian J. Org. Chem. 5/2017). Asian Journal of Organic Chemistry, 6 (5), 475-475. doi: 10.1002/ajoc.201700182
2017
Journal Article
Organo-copper(II) complexes as products of radical atom transfer
Zerk, Timothy J. and Bernhardt, Paul V. (2017). Organo-copper(II) complexes as products of radical atom transfer. Inorganic Chemistry, 56 (10), 5784-5792. doi: 10.1021/acs.inorgchem.7b00402
2017
Journal Article
Inhibition of Tyrosinase by 4H-Chromene Analogues: Synthesis, Kinetic Studies and Computational Analysis
Brasil, Edikarlos M., Canavieira, Luciana M., Cardoso, Érica T. C., Silva, Edilene O., Lameira, Jeronimo, Nascimento, Jose L. M., Eifler-Lima, Vera L., de Matos Macchi, Barbarella, Sriram, Dharmarajan, Bernhardt, Paul V., Silva, Jose Rogerio Araujo, Williams, Craig M. and Alves, Claudio N. (2017). Inhibition of Tyrosinase by 4H-Chromene Analogues: Synthesis, Kinetic Studies and Computational Analysis. Chemical Biology and Drug Design, 90 (5), 804-810. doi: 10.1111/cbdd.13001
2017
Journal Article
Synthesis and X-ray Crystal Structure of 2 and 4-Trifluoromethyl Substituted Phenyl Semicarbazone and Thiosemicarbazone
Venkatachalam, T. K., Bernhardt, P. V., Pierens, G. K. and Reutens, D. C. (2017). Synthesis and X-ray Crystal Structure of 2 and 4-Trifluoromethyl Substituted Phenyl Semicarbazone and Thiosemicarbazone. Journal of Chemical Crystallography, 47 (1), 30-39. doi: 10.1007/s10870-017-0677-z
2017
Journal Article
Mediated catalytic voltammetry of holo and heme-free human sulfite oxidases
Kalimuthu, Palraj, Belaidi, Abdel A., Schwarz, Guenter and Bernhardt, Paul V. (2017). Mediated catalytic voltammetry of holo and heme-free human sulfite oxidases. ChemElectroChem, 4 (4), 947-956. doi: 10.1002/celc.201600685
Funding
Current funding
Past funding
Supervision
Availability
- Professor Paul Bernhardt is:
- Available for supervision
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Supervision history
Current supervision
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Doctor Philosophy
Developing novel copper catalysts for carbon-carbon bond forming reactions using electrosynthesis.
Principal Advisor
Other advisors: Professor Craig Williams, Dr Masnun Naher
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Doctor Philosophy
Quantum Chemistry as a tool for Spectroscopic Analysis
Principal Advisor
-
Doctor Philosophy
Quantum Chemistry as a tool for Spectroscopic Analysis
Principal Advisor
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Doctor Philosophy
Development of innovative synthetic methodologies: electrochemical Atom Transfer Radical Addition (eATRA) and strained nitrogen ring synthesis paradigms
Associate Advisor
Other advisors: Professor Craig Williams
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Doctor Philosophy
New Applications for Photoactive Lanthanoid and Earth Abundant Metal Complexes
Associate Advisor
Other advisors: Associate Professor Evan Moore
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Doctor Philosophy
New Applications for Photoactive Lanthanoid and Earth Abundant Metal Complexes
Associate Advisor
Other advisors: Associate Professor Evan Moore
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Doctor Philosophy
Pioneering stable copper carbanions for new C-C bond forming paradigms
Associate Advisor
Other advisors: Professor Craig Williams
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Doctor Philosophy
Electrochemical investigations of bacterial molybdenum enzymes
Associate Advisor
Other advisors: Professor Ulrike Kappler
Completed supervision
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2024
Doctor Philosophy
Immobilisation of human molybdenum enzymes for mediated electrochemical catalysis
Principal Advisor
Other advisors: Professor Gary Schenk
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2023
Doctor Philosophy
Electrocatalysis at the Atypical Cu(II)-C bond: Electrochemical and Spectroscopic Studies
Principal Advisor
Other advisors: Professor Craig Williams
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2017
Doctor Philosophy
Understanding the Mechanisms of Transition Metal Catalysed Redox Reactions
Principal Advisor
Other advisors: Professor Michael Monteiro
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2011
Doctor Philosophy
Tuning the redox potential of conducting polymeric films
Principal Advisor
Other advisors: Dr Philip Sharpe
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2010
Doctor Philosophy
The molecular basis for sulfite oxidation in a bacterial sulfite dehydrogenase from Starkeya novella
Principal Advisor
Other advisors: Professor Ulrike Kappler
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2009
Doctor Philosophy
Mediated Electrochemistry of DMSO Reductase from Rhodobacter capsulatus
Principal Advisor
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2009
Doctor Philosophy
Iron chelators in the treatment of cancer
Principal Advisor
Other advisors: Dr Philip Sharpe
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2008
Doctor Philosophy
Structural and mechanistic investigations into Dimethylsulfide dehyddrogenase from Rhodovulum sulfidophilum; a moyybdoenzyme from the DMSO reductase family
Principal Advisor
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2004
Doctor Philosophy
ORALLY ACTIVE CHELATORS FOR THE TREATMENT OF IRON OVERLOAD DISEASES
Principal Advisor
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2004
Doctor Philosophy
DISCRETE CYANO-BRIDGED MIXED VALENCE SYSTEMS
Principal Advisor
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2004
Doctor Philosophy
A MACROCYCLIC SCAFFOLD FOR ELECTRONIC ENERGY TRANSFER AND PHOTOINDUCED ELECTRON TRANSFER
Principal Advisor
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2002
Doctor Philosophy
INORGANIC COMPLEXES AS CANDIDATES FOR ENERGY UPCONVERSION MATERIALS
Principal Advisor
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2002
Doctor Philosophy
MACROCYCLIC COMPLEXES AS CHEMICAL RECEPTORS
Principal Advisor
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2023
Doctor Philosophy
Characterisation of Bacterial Cytochromes P450
Associate Advisor
Other advisors: Professor James De Voss
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2017
Doctor Philosophy
Modifications and a Mechanistic Study of the Ley-Griffith Oxidation, and Generation of Hydroxyl Radicals in the Gas Phase
Associate Advisor
Other advisors: Professor Craig Williams
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2008
Doctor Philosophy
Cytochrome P450cin: Chemistry and Biochemistry
Associate Advisor
Other advisors: Professor James De Voss
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2007
Doctor Philosophy
REDOX PROPERTIES AND MEMBRANE LOCALIZATION OF HUMAN RECOMBINANT CYTOCHROME P450 SYSTEMS
Associate Advisor
Other advisors: Professor Elizabeth Gillam, Professor James De Voss
Media
Enquiries
Contact Professor Paul Bernhardt directly for media enquiries about:
- Crystallography
- Electrochemistry
- Transition metal chemistry
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