Peter Hardy, Ph.D.
Research Assistant Professor,
Biomedical Engineering
University of Toronto,1991
Room 36 Davis Mills (0098)
Phone: (859) 323-4723

RELEVANT PUBLICATIONS (partial listing)

J.C. Chen, P.A. Hardy, M. Clauberg, J.G. Joshi, J. Paravano, et al. T2 values in the human brain: comparison with quantitative assays of iron and  ferritin.  Radiology 173:521-526;(1989).

P.A. Hardy, R.M. Henkelman.  On the transverse relaxation rate enhancement induced by diffusion of spins through inhomogeneous fields.  Magn. Reson. Medicine 17:348-356; (1991).

P.A. Hardy, W. Kucharczyk, R.M. Henkelman.  Cause of Signal Loss in MR Images of Old Hemorrhagic Lesions.  Radiology  174:549-555; (1990).

P.A. Hardy, M.J. Bronskill, M.J. Belanger, R.M. Henkelman.  Use of Magnetic Particles for Sensitizing MR Images to Blood Flow.   J. Magn. Reson. Imaging, 1:431-440 (1991).

J.C. Chen, P.A. Hardy, W. Kucharczyk, M. Clauber, J.G. Joshi, A. Vourlas, M. Dhar, R.M. Henkelman.  MR of Human Post-Mortem Brain Tissue: A Correlative Study Between T2 and Assays of Iron and Ferritin in Parkinson and Huntington Disease. Am. J. Neuro Radiology 14:275-281;(1993).

A. Lingamneni, P.A. Hardy, N.J. Pelc, R.D. White. (1995) Validation of Cine Phase-Contrast MR Imaging for Motion Analysis. J. Magn. Reson. Imaging 5:331-338; (1995).

P.A. Hardy, J.A. Tkach, R.S. Hinks. Separation of Fat and Water in Fast Spin Echo Imaging with the Three-Point Dixon Technique.   J. Magn. Reson. Imaging 5:181-185;(1995).

P.A. Hardy, M.P. Recht, D. Piraino, D. Thomasson. The Optimization of a Double Echo Steady State Free Precession Sequence (DESS) for Cartilage Imaging.  J. Magn. Reson. Imaging 6:329-335;(1996).

P.A. Hardy.  Variation in the Appearance of MR Images of Intervertebral Discs with the Disc-Magnetic Field Orientation”. Radiology 200:143-147; (1996).

PA Hardy & G.Yue. Measurement of magnetic resonance T2 for physiological experiments. J. Applied Physiology, 83: 904-911; (1997).

P.A. Hardy, M.P. Recht, D.W. Piraino, Fat suppressed MR imaging of articular cartilage with a spatial-spectral excitation pulse. J. Magnetic Resonance Imaging 8:1279-1287, (1998).

P.A. Hardy, C.K. Poh, Z. Huang, Z. Liao, D. Gao. Non-invasive Measurement of counter-current flows in a hemodialyzer using fourier-velocity Magnetic Resonance Imaging. Advances in Heat and Mass Transfer in Biotechnology, HTD-Vol. 363, Editor E.P. Scott, (1999). 

P.A. Hardy, P. Nammalwar, S. Kuo. Measuring the thickness of articular cartilage from MR images. , J. Magnetic Resonance Imaging, 12, 13:120-6; (2001).

P.A. Hardy, R.D. Newmark, Y.M. Liu, D. Meier, S. Norris, D.W. Piraino & A. Shah. The influence of the image resolution and contrast on measuring the articular cartilage volume in magnetic resonance images. Magnetic Resonance Imaging, V18, 965-972; (2000). 

P.A. Hardy, C.K. Poh, D. Gao, W. Clark, The use of magnetic resonance imaging to measure the local ultrafiltration rate in hemodialysers.  J. Membrane Science 204 (2002) 195-205. 

AH Andersen, Z Zhang, T Barber, WS Rayens, J Zhang, R Grondin, P Hardy, GA Gerhardt, DM Gash, Functional MRI studies in awake rhesus monkeys: methodological and analytical strategies.  J. Neurosci Methods, 118 (2002) 141-152. 

PA Hardy, B Zhang, RJ Mitchell, D Gao, “Relationship of MR elastographic and static tissue estimates of shear modulus” , ASME IMECE 2002, HT-15B. 

Z. Liao, W. Zhang, PA Hardy, CK Poh, Z. Huang, MA Kraus, WR Clark, D. Gao, Kinetic comparison of different acute dialysis therapies, Artif Organs, 9:802-807, 2003. 

P.A. Hardy, D.M. Gash, R.Yokel, A. Andersen, Y. Ai, Z. Zhang, Correlation of R2 with Total Iron Concentration in the Brains of Rhesus Monkeys, J. Magn. Reson. Imaging, 21(2): 118-127; 2005. 

P.A. Hardy, A.C. Ridler, C.B. Chiarot, D.B. Plewes, R.M. Henkelman, Imaging Articular Cartilage Under compression-cartilage Elastography, Magn. Reson. Med. 53:5,1065-1073, 2005. 

W.A. Cass, R. Grondin, A. Andersen, Z. Zhang, P.A. Hardy, L.K. Hussey, W.S. Rayens, G. Gerhardt, D.M. Gash, Iron accumulation in the striatum predicts aging-related decline in motor function in rhesus monkeys. Accepted, Neurobiology of Aging, 2006. 

Donghua Zhu, R. D. White, Peter A. Hardy, Natthida Weerapreeyakul, Khaetthareeya Sutthanut, and Michael Jay, Biocompatible Nanotemplate-Engineered Nanoparticles Containing Gadolinium: Stability and Relaxivity of a Potential MRI Contrast Agent.  J. Nanosci. Nanotechnol. 6, 996–1003 (2006).

Hardy, P.A., Andersen, A.H. Calculating T2 in Images from Phased Array Receivers, Submitted, Magn. Reson. Med. 2006.