Doctor Allan Torres

Doctor Allan Torres

RESEARCH INSTRUMENTALIST,
Medical Science (SoSH)

Personal

Qualifications

  • PhDChem University of Alberta (Canada)

UWS Organisational Unit (School / Division)

  • Medical Science (SoSH)

Contact

Email:A.Torres@uws.edu.au
Extension:3459 & 3387
Mobile:
Location:17.1.56
Campbelltown
Website:

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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.

Interests

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

Publications

Chapters in Books

  • 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

  • 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, 9.
  • Torres, A. (2013), 'Insights into hERG K+ channel structure and function from NMR studies', European Biophysics Journal, 9.
  • Ghadirian, B., Torres, A. and Price, W. (2013), 'Restricted diffusion in annular geometrical pores', Journal of Chemical Physics, 8478191.
  • Torres, A., Ghadirian, B., Ghadiran, B. and Price, W. (2012), 'Diffusion-diffraction using singlet spin states and various NMR coherences in a J-coupled AX spin system', RSC Advances, 9.
  • Torres, A. (2012), 'Detection of platypus-type l/d-peptide isomerase activity in aqueous extracts of papaya fruit', Biotechnology Letters, 7.
  • 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, 7.
  • 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, 7.
  • 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, 9.
  • 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.), 4.
  • Zheng, G., Zheng, G., Torres, A., Torres, A., Ali, M., Manolios, N., Price, W. and Price, W. (2011), 'NMR study of the structure and self-association of Core peptide in aqueous solution and DPC micelles.', Biopolymers, 4.
  • Torres, A., Zheng, G. and Price, W. (2010), 'J-compensated PGSE: an improved NMR diffusion experiment with fewer phase distortions', Magnetic Resonance in Chemistry, 5.
  • 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, 22.
  • Yadav, N., Torres, A. and Price, W. (2010), 'NMR q-space imaging of macroscopic pores using singlet spin states', Journal of Magnetic Resonance, 3.
  • Zheng, G., Torres, A. and Price, W. (2009), 'MQ-PGSTE: a new multi-quantum STE-based PGSE NMR sequence', Journal of Magnetic Resonance, 4.
  • 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, 10.
  • 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, 10.
  • Koh, J., Bansal, P., Torres, A. and Kuchel, P. (2009), 'Platypus venom: source of novel compounds', Australian Journal of Zoology, 8.
  • 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, 7.
  • 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, 5.
  • 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, 4.
  • 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, 7.
  • Torres, A., Dela Cruz, R. and Price, W. (2008), 'Removal of J-coupling peak distortion in PGSE experiments', Journal of Magnetic Resonance, 6.
  • 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, 7.
  • Whittington, C., Papenfuss, A., Bansal, P., Torres, A., Wong, E., Deakin, J., Graves, T. and + 8 Externals, . (2008), 'Defensins and the convergent evolution of platypus and reptile venom genes', Genome Research, 9.
  • Torres, A., Bubb, W., Philp, D. and Kuchel, P. (2008), 'Improved J-compensated sequences based on short composite pulses', Journal of Magnetic Resonance, 8.
  • 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, 4.
  • 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, 6.
  • 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, 10.
  • 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, 5.
  • 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, 6.
  • 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, 8.
  • 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, 2.
  • 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, 9.
  • 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, 13.
  • 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, 8.
  • 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, 5.
  • Torres, A., Bubb, W. and Kuchel, P. (2002), 'Experiments to detect long-range heteronuclear shift correlations: LR-J-HSMQC', Journal of Magnetic Resonance, 9.
  • 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, 5.
  • 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, 9.
  • 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, 10.

Research

Current Projects

Title:Development of Advanced MRI Techniques for Clinical Imaging
Years:2010-11-15 - 2013-11-14
ID:P00019301
UWS Researchers:Bill Price, Gang Zheng, Timothy Stait-Gardner and Allan Torres
Funding:
  • Anonymous Donation

Previous Projects

Title:Novel NMR pulse sequence for faster diffusion experiments
Years:2006-12-20 - 2008-01-03
ID:P0015431
UWS Researchers:Bill Price, Anil Kumar Payyadi Govardhan and Allan Torres
Funding:
  • University of Western Sydney
Title:Towards Quantitative Diffusive Tensor Imaging in Biological Tissue and its Visualisation
Years:2009-12-04 - 2011-02-28
ID:P00017732
UWS Researchers:Bill Price, Allan Torres and Timothy Stait-Gardner
Funding:
  • University of Western Sydney
Title:Post-processing methods for dramatically improving NMR signals and its applications
Years:2012-03-02 - 2013-03-01
ID:P00020582
UWS Researchers:Bill Price, Bahman Ghadirian, Gang Zheng, Timothy Stait-Gardner and Allan Torres
Funding:
  • University of Western Sydney
Title:NMR Diffusography
Years:2010-05-28 - 2011-05-27
ID:P00018722
UWS Researchers:Bill Price, Timothy Stait-Gardner, Allan Torres, Gang Zheng, Andrew Shalliker, Gary Dennis and Marion Gaborieau
Funding:
  • University of Western Sydney

Supervision

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

Current Supervision

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

University of Western Sydney

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Penrith NSW 2751

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