Test liquids for quantitative MRI measurements of self-diffusion coefficient in vivo Export

@article{citeulike:842089, abstract = {A range of liquids suitable as quality control test objects for measuring the accuracy of clinical MRI diffusion sequences (both apparent diffusion coefficient and tensor) has been identified and characterized. The self-diffusion coefficients for 15 liquids (3 cyclic alkanes: cyclohexane to cyclooctane, 9 n-alkanes: n-octane to n-hexadecane, and 3 n-alcohols: ethanol to 1-propanol) were measured at 15-30°C using an NMR spectrometer. Values at 22°C range from 0.36 to 2.2 10-9 m2s-1. Typical 95\% confidence limits are ±2\%. Temperature coefficients are 1.7-3.2 \%/°C. T1 and T2 values at 1.5 T and proton density are given. n-tridecane has a diffusion coefficient close to that of normal white matter. The longer n-alkanes may be useful T2 standards. Measurements from a spin-echo MRI sequence agreed to within 2\%. Magn Reson Med 43:368-374, 2000. {\copyright} 2000 Wiley-Liss, Inc.}, address = {NMR Research Unit, Department of Clinical Neurology, Institute of Neurology, Queen Square, University College London, London, UK; Centre for Medical and Health Physics, School of Physical Sciences, Queensland University of Technology, Brisbane, Australia}, author = {Tofts, P. S. and Lloyd, D. and Clark, C. A. and Barker, G. J. and Parker, G. J. M. and Mcconville, P. and Baldock, C. and Pope, J. M.}, citeulike-article-id = {842089}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/(SICI)1522-2594(200003)43:3%3C368::AID-MRM8%3E3.0.CO;2-B}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/71001120/ABSTRACT}, doi = {10.1002/(SICI)1522-2594(200003)43:3%3C368::AID-MRM8%3E3.0.CO;2-B}, journal = {Magnetic Resonance in Medicine}, keywords = {calibration, dw-mri, mri, phantom, quality}, number = {3}, pages = {368--374}, posted-at = {2007-11-24 08:28:10}, priority = {5}, title = {Test liquids for quantitative MRI measurements of self-diffusion coefficient in vivo}, url = {http://dx.doi.org/10.1002/(SICI)1522-2594(200003)43:3%3C368::AID-MRM8%3E3.0.CO;2-B}, volume = {43}, year = {2000} }

TY - JOUR ID - citeulike:842089 L3 - citeulike-article-id:842089 N2 - A range of liquids suitable as quality control test objects for measuring the accuracy of clinical MRI diffusion sequences (both apparent diffusion coefficient and tensor) has been identified and characterized. The self-diffusion coefficients for 15 liquids (3 cyclic alkanes: cyclohexane to cyclooctane, 9 n-alkanes: n-octane to n-hexadecane, and 3 n-alcohols: ethanol to 1-propanol) were measured at 15-30°C using an NMR spectrometer. Values at 22°C range from 0.36 to 2.2 10-9 m2s-1. Typical 95% confidence limits are ±2%. Temperature coefficients are 1.7-3.2 %/°C. T1 and T2 values at 1.5 T and proton density are given. n-tridecane has a diffusion coefficient close to that of normal white matter. The longer n-alkanes may be useful T2 standards. Measurements from a spin-echo MRI sequence agreed to within 2%. Magn Reson Med 43:368-374, 2000. © 2000 Wiley-Liss, Inc. IS - 3 JF - Magnetic Resonance in Medicine AD - NMR Research Unit, Department of Clinical Neurology, Institute of Neurology, Queen Square, University College London, London, UK; Centre for Medical and Health Physics, School of Physical Sciences, Queensland University of Technology, Brisbane, Australia EP - 374 TI - Test liquids for quantitative MRI measurements of self-diffusion coefficient in vivo VL - 43 SP - 368 KW - calibration KW - dw-mri KW - mri KW - phantom KW - quality AU - Tofts, PS AU - Lloyd, D AU - Clark, CA AU - Barker, GJ AU - Parker, GJM AU - Mcconville, P AU - Baldock, C AU - Pope, JM PY - 2000/// UR - http://dx.doi.org/10.1002/(SICI)1522-2594(200003)43:3%3C368::AID-MRM8%3E3.0.CO;2-B ER -