Research Topics
| Aaron K GrantSummaryAffiliation: Harvard University Country: USA Publications
Research Grants
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Detail Information
Publications
Perfusion imaging with a freely diffusible hyperpolarized contrast agentAaron K Grant
Department of Radiology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
Magn Reson Med 66:746-55. 2011..These characteristics show that 2-methylpropan-2-ol is a promising agent for robust and quantitative perfusion imaging in the brain and body...
Long-lived states in solution NMR: theoretical examples in three- and four-spin systemsAaron K Grant
Department of Radiology, Beth Israel Deaconess Medical Center, and Harvard Medical School, Ansin Building, Room 222, 330 Brookline Avenue, Boston, MA 02215, USA
J Magn Reson 193:177-90. 2008..Here we present a theory of long-lived states in systems containing three and four spins and demonstrate how it can be used to identify states that have little or no intramolecular dipolar relaxation...- Comprehensive quantification of signal-to-noise ratio and g-factor for image-based and k-space-based parallel imaging reconstructionsPhilip M Robson
Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
Magn Reson Med 60:895-907. 2008.... 
Toward single breath-hold whole-heart coverage coronary MRA using highly accelerated parallel imaging with a 32-channel MR systemThoralf Niendorf
Applied Science Laboratory, GE Healthcare Technologies, Boston, Massachusetts, USA
Magn Reson Med 56:167-76. 2006..The merits and limitations of this simplified volumetric imaging approach are discussed and its implications for coronary MRA are considered...- Electrodynamic constraints on homogeneity and radiofrequency power deposition in multiple coil excitationsRiccardo Lattanzi
Division of Magnetic Resonance Research, Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Magn Reson Med 61:315-34. 2009.... - Performance evaluation of a 32-element head array with respect to the ultimate intrinsic SNRRiccardo Lattanzi
Center for Biomedical Imaging, Department of Radiology, New York University Langone Medical Center, New York, NY 10016, USA
NMR Biomed 23:142-51. 2010..The method proposed here can serve as a tool for the evaluation of coil designs, as well as a tool to guide the development of original designs which may begin to approach the optimal performance... - Hyperpolarized long-lived states in solution NMR: three-spin case study in low fieldElena Vinogradov
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Ansin Building, Room 232, 330 Brookline Avenue, Boston, MA 02215, USA
J Magn Reson 194:46-57. 2008..It is shown that quantum mechanical selection rules governing intramolecular dipolar relaxation in low field account for the enhanced lifetime and spectral features of this state... - Inherently self-calibrating non-Cartesian parallel imagingErnest N Yeh
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02215, USA
Magn Reson Med 54:1-8. 2005..This work demonstrates the feasibility of self-calibrated spiral and radial parallel imaging using a previously described iterative non-Cartesian sensitivity encoding algorithm... - Long-lived states in solution NMR: selection rules for intramolecular dipolar relaxation in low magnetic fieldsElena Vinogradov
Department of Radiology, Beth Israel Deaconess Medical Center, and Harvard Medical School, Ansin Building, Room 222, 330 Brookline Avenue, Boston, MA 02215, USA
J Magn Reson 188:176-82. 2007..This approach is used to derive a family of quantum-mechanical selection rules governing intramolecular dipolar relaxation at low field that may account for the extended lifetimes observed in multi-spin systems... - Rapid volumetric MRI using parallel imaging with order-of-magnitude accelerations and a 32-element RF coil array: feasibility and implicationsDaniel K Sodickson
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, USA
Acad Radiol 12:626-35. 2005..The goal of this work was to demonstrate that, with appropriate hardware and careful SNR management, rapid volumetric imaging at high accelerations is in fact feasible... - Ultimate intrinsic signal-to-noise ratio for parallel MRI: electromagnetic field considerationsMichael A Ohliger
Harvard MIT Division of Health Sciences and Technology, Boston, Massachusetts 02215, USA
Magn Reson Med 50:1018-30. 2003..A procedure is also provided for generating the optimal coil sensitivity pattern for a given acceleration, which will serve as a useful guide for future coil designs... - 32-element receiver-coil array for cardiac imagingChristopher J Hardy
GE Global Research, Niskayuna, New York 12309, USA, and Technical University Aachen, University Hospital, Germany
Magn Reson Med 55:1142-9. 2006.... - Phase-constrained parallel MR image reconstructionJacob D Willig-Onwuachi
Departments of Radiology and Biomedical Engineering, University of California Davis, CA, USA
J Magn Reson 176:187-98. 2005..The theory of the phase-constrained approach is outlined, and its calibration requirements and limitations are discussed. Simulations, phantom experiments, and in vivo experiments are presented...
Research Grants
- Radio Frequency Impedance Mapping for Medical ImagingAARON GRANT; Fiscal Year: 2005..Furthermore, RFIM is highly non-invasive and RFIM imaging systems are likely to be both inexpensive and easily portable. ..