Doctor Allan Torres

Doctor Allan Torres

Senior Lecturer,
Science

Biography

Doctor Allan Torres is a research instrumentalist at the University of Western Sydney in the Nanoscale Organisation and Dynamics division within the School of Biomedical and Health Science.  Allan has a keen interest in the following areas: Chemistry, Physics, Mathematics, Biophysics, Biochemistry, Physical Chemistry and Molecular Biology.

This information has been contributed by Doctor Torres.

Qualifications

  • PhDChem University of Alberta (Canada)

Interests

  • Magnetic Resonance Imaging
  • NMR Method Development
  • Protein Structure Characterisation by NMR
  • Protein functions
  • Toxins

Organisational Unit (School / Division)

  • Science

Contact

Email: A.Torres@westernsydney.edu.au
Phone: (02) 4620 3459
Mobile:
Location: 17.G.07
Campbelltown

PLEASE NOTE: obtaining information from this Directory must be for the legitimate purposes of doing business with and within Western Sydney University, and must not be used for unsolicited bulk e-mailing (spamming) or similar purposes.

Publications

Chapters in Books

  • Willis, S., Stait-Gardner, T., Torres, A., Zheng, G. and Price, W. (2018), 'NMR versatility', Diffusive Spreading in Nature, Technology and Society, Springer 9783319677972.
  • Willis, S., Stait-Gardner, T., Torres, A. and Price, W. (2017), ' Fundamentals of diffusion measurements using NMR ', Diffusion NMR of Confined Systems: Fluid Transport in Porous Solids and Heterogeneous Materials, Royal Society of Chemistry 9781782621904.
  • Torres, A. and Price, W. (2011), 'Introduction to Nuclear Magnetic Resonance', Metallointercalators: Synthesis and Techinques to Probe Their Interactions with Biomolecules, Springer 9783211094273.
  • Larkin, T., Pages, G., Torres, A. and Kuchel, P. (2009), 'Rapid acquisition of NMR diffusion-diffraction q-space plots from erythrocytes with varying gradient orientation', Diffusion Fundamentals III, Leipzig University Press 9783865833877.
  • Torres, A., Bansal, P., Alewood, P., Geraghty, D. and Kuchel, P. (2007), 'Determination of D-Amino-Acid Residues in Peptides from Animal Venom by NMR: Application to Platypus Venom Peptide OvCNPs', D-Amino Acids: Practical Methods and Protocols, Nova Science Publishers 9781607413783.

Journal Articles

  • Chen, J., Torres, A., Zheng, G. and Price, W. (2020), 'Applications of WaterControl to TOCSY and COSY experiments', Journal of Biomolecular NMR, vol 74 , pp 333 - 340.
  • Ali, M., Abd-Elsalam, W., El badawy, S., Taher, E., Fares, M., Torres, A., Chang, D. and Li, C. (2019), 'Ameliorative and protective effects of ginger and its main constituents against natural, chemical and radiation-induced toxicities : a comprehensive review', Food and Chemical Toxicology, vol 123 , pp 72 - 97.
  • Wijesekera, N., Stait-Gardner, T., Gupta, A., Chen, J., Zheng, G., Torres, A. and Price, W. (2019), 'A complete derivation of the Karger equations for analyzing NMR diffusion measurements of exchanging systems', Concepts in Magnetic Resonance. Part A, vol 47A, no 2 .
  • Wijesekera, N., Willis, S., Gupta, A., Torres, A., Zheng, G. and Price, W. (2018), 'NMR diffusion and relaxation studies of 2-nitroimidazole and albumin interactions', Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol 193 , pp 318 - 323.
  • Stait-Gardner, T., Torres, A., Zubkov, M., Willis, S., Zheng, G. and Price, W. (2018), 'Diffusion NMR : a tool to investigate the dynamics of organic systems', Current Organic Chemistry, vol 22, no 8 , pp 758 - 768.
  • Herath, B., Torres, A. and Sathasivan, A. (2018), 'Effects of feed water NOM variation on chloramine demand from chloramine-decaying soluble microbial products during rechloramination', Chemosphere, vol 212 , pp 744 - 754.
  • Willis, S., Zheng, G., Torres, A., Stait-Gardner, T. and Price, W. (2018), 'A simple and effective binomial block based pulse sequence capable of suppressing multiple NMR signals', Journal of Physical Chemistry A, vol 122, no 50 , pp 9712 - 9720.
  • Masuda, R., Gupta, A., Stait-Gardner, T., Zheng, G., Torres, A. and Price, W. (2018), 'Shortening NMR experimental times', Magnetic Resonance in Chemistry, vol 56, no 9 , pp 847 - 851.
  • Shen, C., Kennedy, A., Donald, W., Torres, A., Price, W. and Beves, J. (2017), 'Self-assembled supramolecular cages containing dinuclear ruthenium(II) polypyridyl complexes', Inorganica Chimica Acta, vol 458 , pp 122 - 128.
  • Torres, A., Zheng, G. and Price, W. (2017), 'NOESY-watercontrol : a new NOESY sequence for the observation of under-water protein resonances', Journal of Biomolecular NMR, vol 67, no 3 , pp 233 - 241.
  • Torres, A. and Price, W. (2017), 'Common problems and artifacts encountered in solution-state NMR experiments', Concepts in Magnetic Resonance. Part A, vol 45A, no 2 .
  • Alim, M., Bak, T., Atanacio, A., Ionescu, M., Kennedy, B., Price, W., Du Plessis, J., Pourmahdavi, M., Zhou, M., Torres, A. and Nowotny, J. (2017), 'Photocatalytic properties of Ta-doped TiO2', Ionics, vol 23, no 12 , pp 3517 - 3531.
  • Zubkov, M., Dennis, G., Stait-Gardner, T., Torres, A., Willis, S., Zheng, G. and Price, W. (2017), 'Physical characterization using diffusion NMR spectroscopy', Magnetic Resonance in Chemistry, vol 55, no 5 , pp 414 - 424.
  • Virk, A., Torres, A., Willis, S. and Price, W. (2016), 'NMR diffusion studies of spherical molecules : tetramethylsilane and buckyballs', Journal of Molecular Liquids, vol 214 , pp 157 - 161.
  • van der Kooy, F., Venkataya, B., Pearson, J., Torres, A., Li, C. and Chang, D. (2015), 'Sensitivity of NMR-based metabolomics in drug discovery from medicinal plants', European Journal of Medicinal Plants, vol 5, no 2 , pp 191 - 203.
  • Virk, A., Stait-Gardner, T., Willis, S., Torres, A. and Price, W. (2015), 'Macromolecular crowding studies of amino acids using NMR diffusion measurements and molecular dynamics simulations', Frontiers in Physics, vol 3 .
  • Torres, A., Bansal, P., Koh, J., Pages, G., Wu, M. and Kuchel, P. (2014), 'Structure and antimicrobial activity of platypus 'intermediate' defensin-like peptide', FEBS Letters, vol 588, no 9 , pp 1821 - 1826.
  • Ng, C., Torres, A., Pages, G., Kuchel, P. and Vandenberg, J. (2013), 'Insights into hERG K+ channel structure and function from NMR studies', European Biophysics Journal, vol 42 , pp 71 - 79.
  • Ghadirian, B., Torres, A., Yadav, N. and Price, W. (2013), 'Restricted diffusion in annular geometrical pores', Journal of Chemical Physics, vol 138, no 9 , pp 0942021 - 09420211.
  • Arakawa, K., Koh, J., Crossett, B., Torres, A. and Kuchel, P. (2012), 'Detection of platypus-type L/D-peptide isomerase activity in aqueous extracts of papaya fruit', Biotechnology Letters, vol 34, no 9 , pp 1659 - 1665.
  • Torres, A., Ghadirian, B. and Price, W. (2012), 'Diffusion-diffraction using singlet spin states and various NMR coherences in a J-coupled AX spin system', RSC Advances, vol 2, no 8 , pp 3352 - 3360.
  • Zheng, G., Torres, A., Ali, M., Manolios, N. and Price, W. (2011), 'NMR study of the structure and self-association of core peptide in aqueous solution and DPC micelles', Biopolymers (Pept. Sci.), vol 96, no 2 , pp 177 - 180.
  • Torres, A., Zheng, G. and Price, W. (2010), 'J-compensated PGSE: an improved NMR diffusion experiment with fewer phase distortions', Magnetic Resonance in Chemistry, vol 48, no 2 , pp 129 - 133.
  • Price, W., Stait-Gardner, T., Torres, A. and Zheng, G. (2010), 'Developments in NMR diffusion measurements and q-space imaging', Chinese Journal of Magnetic Resonance, vol 27, no 3 , pp 267 - 288.
  • Yadav, N., Torres, A. and Price, W. (2010), 'NMR q-space imaging of macroscopic pores using singlet spin states', Journal of Magnetic Resonance, vol 204, no 2 , pp 346 - 348.
  • Zheng, G., Torres, A. and Price, W. (2009), 'MQ-PGSTE: a new multi-quantum STE-based PGSE NMR sequence', Journal of Magnetic Resonance, vol 198, no 2 , pp 271 - 274.
  • Pages, G., Torres, A., Ju, P., Bansal, P., Alewood, P., Kuchel, P. and Vandenberg, J. (2009), 'Structure of the pore-helix of the hERG K+ channel', European Biophysics Journal, vol 39, no 1 , pp 111 - 120.
  • Withingtton, C., Koh, J., Warren, W., Papenfuss, A., Torres, A., Kuchel, P. and Belov, K. (2009), 'Understanding and utilising mammalian venom via a platypus venom transcriptome', Journal of Proteomics, vol 72, no 2 , pp 155 - 164.
  • Koh, J., Bansal, P., Torres, A. and Kuchel, P. (2009), 'Platypus venom: source of novel compounds', Australian Journal of Zoology, vol 57, no 4 , pp 203 - 210.
  • Ju, P., Pages, G., Riek, P., Chen, P., Torres, A., Bansal, P., Kuyucak, S., Kuchel, P. and Vandenberg, J. (2009), 'The Pore Domain Outer Helix Contributes to Both Activation and Inactivation of the hERG K+ Channel', Journal of Biological Chemistry, vol 284, no 2 , pp 1000 - 1006.
  • Zheng, G., Stait-Gardner, T., Payyadi Govardhan, A., Torres, A. and Price, W. (2008), 'PGSTE-WATERGATE : An STE-based PGSE NMR sequence with excellent solvent suppression', Journal of Magnetic Resonance, vol 191, no 1 , pp 159 - 163.
  • Yadav, N., Torres, A. and Price, W. (2008), 'An improved approach to calibrating high magnetic field gradients for pulsed field gradient experiments', Journal of Magnetic Resonance, vol 194, no 1 , pp 25 - 28.
  • Zheng, G., Torres, A. and Price, W. (2008), 'Solvent suppression using phase-modulated binomial-like sequences and applications to diffusion measurements', Journal of Magnetic Resonance, vol 194, no 1 , pp 108 - 114.
  • Torres, A., Dela Cruz, R. and Price, W. (2008), 'Removal of J-coupling peak distortion in PGSE experiments', Journal of Magnetic Resonance, vol 193, no 2 , pp 311 - 316.
  • Bansal, P., Torres, A., Crossett, B., Wong, K., Koh, J., Geraghty, D., Vandenberg, J. and Kuchel, P. (2008), 'Substrate Specificity of Platypus Venom L-to-D Peptide Isomerase', Journal of Biological Chemistry, vol 283, no 14 , pp 8969 - 8975.
  • Whittington, C., Papenfuss, A., Bansal, P., Torres, A., Wong, E., Deakin, J., Graves, T., Alsop, A., Schatzkamer, K., Kremitzki, C., Ponting, C., Temple-Smith, P., Warren, W., Kuchel, P. and Belov, K. (2008), 'Defensins and the convergent evolution of platypus and reptile venom genes', Genome Research, vol 18, no 6 , pp 986 - 994.
  • Torres, A., Bubb, W., Philp, D. and Kuchel, P. (2008), 'Improved J-compensated sequences based on short composite pulses', Journal of Magnetic Resonance, vol 194, no 1 , pp 81 - 88.
  • Wheate, N., Payyadi Govardhan, A., Torres, A., Aldrich-Wright, J. and Price, W. (2008), 'Examination of cucurbit[7]uril and its host-guest complexes by diffusion nuclear magnetic resonance', Journal of Physical Chemistry B, vol 112, no 8 , pp 2311 - 2314.
  • Torres, A., Tsampazi, M., Kennett, E., Belov, K., Geraghty, D., Bansal, P., Alewood, P. and Kuchel, P. (2007), 'Characterization and isolation of L-to-D-amino-acid-residue isomerase from platypus venom', Amino Acids, vol 32, no 1 , pp 63 - 68.
  • Kuchel, P., Chapman, B., Muller, N., Bubb, W., Philp, D. and Torres, A. (2006), 'Apparatus for rapid adjustment of the degree of alignment of NMR samples in aqueous media: Verification with residual quadrupolar splittings in 23Na and 133Cs spectra', Journal of Magnetic Resonance, vol 180, no 2 , pp 256 - 265.
  • Torres, A., Tsampazi, M., Tsampazi, C., Kennett, E., Belov, K., Geraghty, D., Bansal, P. and Kuchel, P. (2006), 'Mammalian L-to-D-amino-acid-residue isomerase from platypus venom', FEBS Letters, vol 580, no 6 , pp 1587 - 1591.
  • Torres, A., Tsampazi, C., Geraghty, D., Bansal, P., Alewood, P. and Kuchel, P. (2005), 'D-amino acid residue in a defensin-like peptide from platypus venom: Effect on structure and chromatographic properties', Biochemical Journal, vol 391, no 2 , pp 215 - 220.
  • Torres, A., Philp, D., Kemp-Harper, R., Garvey, C. and Kuchel, P. (2005), 'Determination of Na+ binding parameters by relaxation analysis of selected 23Na NMR coherences: RNA, BSA and SDS', Magnetic Resonance in Chemistry, vol 43, no 3 , pp 217 - 224.
  • Vandenberg, J., Bansal, P., Torres, A., Kuchel, P. and Alewood, P. (2005), 'Molecular basis of CnErg1 binding to HERG K+ channels', Journal of Molecular and Cellular Cardiology, , pp 172 - 173.
  • Vandenberg, J., Torres, A., Campbell, T. and Kuchel, P. (2004), 'The HERG K+ channel: Progress in understanding the molecular basis of its unusual gating kinetics', European Biophysics Journal, vol 33, no 2 , pp 89 - 97.
  • Torres, A., Bansal, P., Sunde, M., Clarke, C., Bursill, J., Smith, D., Bauskin, A. and Vandenberg, J. (2003), 'Structure of the HERG K+ channel S5P extracellular linker: Role of an amphipathic a-helix in C-type inactivation', Journal of Biological Chemistry, vol 278, no 43 , pp 42136 - 42148.
  • Torres, A., Wong, H., Desai, M., Moochhala, S., Kuchel, P. and Kini, R. (2003), 'Identification of a novel family of proteins in snake venoms. Purification and structural characterization of nawaprin from Naja nigricollis snake venom', Journal of Biological Chemistry, vol 278, no 41 , pp 40097 - 40104.
  • Torres, A., Bansal, P., Alewood, P., Bursill, J., Kuchel, P. and Vandenberg, J. (2003), 'Solution structure of CnErg1 (Ergtoxin), a HERG specific scorpion toxin', FEBS Letters, vol 539, no 1-3 , pp 138 - 142.
  • Torres, A., Bubb, W. and Kuchel, P. (2002), 'Experiments to detect long-range heteronuclear shift correlations: LR-J-HSMQC', Journal of Magnetic Resonance, vol 156, no 2 , pp 249 - 257.
  • Torres, A., Menz, I., Alewood, P., Bansal, P., Lahnstein, J., Gallagher, C. and Kuchel, P. (2002), 'D-amino acid residue in the C-type natriuretic peptide from the venom of the mammal, Ornithorhynchus anatinus, the Australian platypus', FEBS Letters, vol 524, no 1-3 , pp 172 - 176.
  • Torres, A., Alewood, D., Alewood, P., Gallagher, C. and Kuchel, P. (2002), 'Conformations of platypus venom C-type natriuretic peptide in aqueous solution and sodium dodecyl sulfate micelles', Toxicon, vol 40, no 6 , pp 711 - 719.
  • Torres, A., Kini, R., Selvanayagam, N. and Kuchel, P. (2001), 'NMR structure of bucandin, a neurotoxin from the venom of the Malayan krait (bungarus candidus)', Biochemical Journal, vol 360, no 3 , pp 539 - 548.

Other Publications

  • 2014, 'NMR Signal Excitation and Acquisition Methods and System', Patent

Current Projects

Title: Treatment planning for the 21st Century - Electron Density: CT to MRI
Funder:
  • Anonymous Donation
Western Researchers: Bill Price, Timothy Stait-Gardner, Allan Torres and Gang Zheng
Years: 2015-03-01 - 2023-12-31
ID: P00022164

Previous Projects

Title: Ultra-high resolution magnetic resonance imaging (MRI) system for physical applications
Funder:
  • University of New England
  • Australian Research Council (Other Research Grants)
  • South Western Sydney Local Health District
  • Surgical Diagnostics Pty Ltd
  • University of Sydney
  • University of Western Australia
  • University of South Australia
  • Ingham Institute for Applied Medical Research
  • University of New South Wales
Western Researchers: Bill Price, Janice Aldrich-Wright, Annemarie Hennessy, Sathaa Sathasivan and Allan Torres
Years: 2014-05-06 - 2015-05-05
ID: P00021626
Title: Development of a NMR Spectroscopy based Biomedical Research Platform Driven by Designing the Next Generation Water Signal Filtering Techniques.
Funder:
  • University of Western Sydney
Western Researchers: Gang Zheng, Bill Price, Allan Torres, Timothy Stait-Gardner and Bahman Ghadirian
Years: 2013-12-09 - 2014-12-09
ID: P00021842
Title: Novel NMR pulse sequence for faster diffusion experiments
Funder:
  • University of Western Sydney
Western Researchers: Bill Price, Anil Kumar Payyadi Govardhan and Allan Torres
Years: 2006-12-20 - 2008-01-03
ID: P0015431
Title: Evaluation of Hypoxia by MRI (i.e., tentative thesis title)
Funder:
  • South Western Sydney Local Health District
Western Researchers: Bill Price, Timothy Stait-Gardner, Allan Torres and Gang Zheng
Years: 2015-01-01 - 2018-06-30
ID: P00022775
Title: Towards Quantitative Diffusive Tensor Imaging in Biological Tissue and its Visualisation
Funder:
  • University of Western Sydney
Western Researchers: Bill Price, Allan Torres and Timothy Stait-Gardner
Years: 2009-12-04 - 2011-02-28
ID: P00017732
Title: Development of Advanced MRI Techniques for Clinical Imaging
Funder:
  • Anonymous Donation
Western Researchers: Bill Price, Gang Zheng, Timothy Stait-Gardner and Allan Torres
Years: 2010-11-15 - 2015-02-28
ID: P00019301
Title: Post-processing methods for dramatically improving NMR signals and its applications
Funder:
  • University of Western Sydney
Western Researchers: Bill Price, Bahman Ghadirian, Gang Zheng, Timothy Stait-Gardner and Allan Torres
Years: 2012-03-02 - 2013-03-01
ID: P00020582
Title: NMR Diffusography
Funder:
  • University of Western Sydney
Western Researchers: Bill Price, Timothy Stait-Gardner, Allan Torres, Gang Zheng, Andrew Shalliker, Gary Dennis and Marion Gaborieau
Years: 2010-05-28 - 2011-05-27
ID: P00018722

Supervision

Doctor Torres is available to be a principal supervisor for doctoral projects

Current Supervision

Thesis Title: Implementation and Application of Advanced Diffusion Tensor Imaging Techniques at Ultrahigh Magnetic Fields
Field of Research:

Western Sydney University

Locked Bag 1797
Penrith NSW 2751

Tel: +61 2 9852 5222

ABN 53 014 069 881
CRICOS Provider No: 00917k

Visit our mobile site