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Items: 1 to 50 of 209

1.

Simulation of Mb/Hb in NIRS and oxygen gradient in the human and canine skeletal muscles using H-NMR and NIRS.

Nioka S, Wang DJ, Im J, Hamaoka T, Wang ZJ, Leigh JS, Chance B.

Adv Exp Med Biol. 2006;578:223-8. No abstract available.

PMID:
16927697
2.

Spatial and temporal characteristics of physiological noise in fMRI at 3T.

Liu CS, Miki A, Hulvershorn J, Bloy L, Gualtieri EE, Liu GT, Leigh JS, Haselgrove JC, Elliott MA.

Acad Radiol. 2006 Mar;13(3):313-23.

PMID:
16488843
3.

Effect of errors in baseline optical properties on accuracy of transabdominal near-infrared spectroscopy in fetal sheep brain during hypoxic stress.

Mawn T, Nioka S, Nijland M, Bloy L, Elliott MA, Chance B, Leigh JS.

J Biomed Opt. 2005 Nov-Dec;10(6):064001.

4.

T1rho contrast in functional magnetic resonance imaging.

Hulvershorn J, Borthakur A, Bloy L, Gualtieri EE, Reddy R, Leigh JS, Elliott MA.

Magn Reson Med. 2005 Nov;54(5):1155-62.

5.

Temporal resolving power of spin echo and gradient echo fMRI at 3T with apparent diffusion coefficient compartmentalization.

Hulvershorn J, Bloy L, Gualtieri EE, Redmann CP, Leigh JS, Elliott MA.

Hum Brain Mapp. 2005 Jun;25(2):247-58.

PMID:
15849715
6.

Indirect detection of lung perfusion using susceptibility-based hyperpolarized gas imaging.

Dimitrov IE, Insko E, Rizi R, Leigh JS.

J Magn Reson Imaging. 2005 Feb;21(2):149-55.

PMID:
15666407
7.

Spatial sensitivity and temporal response of spin echo and gradient echo bold contrast at 3 T using peak hemodynamic activation time.

Hulvershorn J, Bloy L, Gualtieri EE, Leigh JS, Elliott MA.

Neuroimage. 2005 Jan 1;24(1):216-23.

PMID:
15588613
8.

Proton MRI of metabolically produced H2 17O using an efficient 17O2 delivery system.

Tailor DR, Baumgardner JE, Regatte RR, Leigh JS, Reddy R.

Neuroimage. 2004 Jun;22(2):611-8.

PMID:
15193589
9.

Quantifying arbitrary magnetic susceptibility distributions with MR.

Li L, Leigh JS.

Magn Reson Med. 2004 May;51(5):1077-82.

10.

Muscle metabolism with blood flow restriction in chronic fatigue syndrome.

McCully KK, Smith S, Rajaei S, Leigh JS Jr, Natelson BH.

J Appl Physiol (1985). 2004 Mar;96(3):871-8. Epub 2003 Oct 24.

11.

T1rho MR imaging of the human wrist in vivo.

Akella SV, Regatte RR, Borthakur A, Kneeland JB, Leigh JS, Reddy R.

Acad Radiol. 2003 Jun;10(6):614-9.

PMID:
12809414
12.

Artifacts in T(1rho)-weighted imaging: correction with a self-compensating spin-locking pulse.

Charagundla SR, Borthakur A, Leigh JS, Reddy R.

J Magn Reson. 2003 May;162(1):113-21.

PMID:
12762988
13.

Indirect 17(O)-magnetic resonance imaging of cerebral blood flow in the rat.

Tailor DR, Roy A, Regatte RR, Charagundla SR, McLaughlin AC, Leigh JS, Reddy R.

Magn Reson Med. 2003 Mar;49(3):479-87.

14.

Blood flow and muscle metabolism in chronic fatigue syndrome.

McCully KK, Smith S, Rajaei S, Leigh JS Jr, Natelson BH.

Clin Sci (Lond). 2003 Jun;104(6):641-7.

PMID:
12589704
15.

Probing rat brain oxygenation with near-infrared spectroscopy (NIRS) and magnetic resonance imaging (MRI).

Chen Y, Intes X, Tailor DR, Regatte RR, Ma H, Ntziachristos V, Leigh JS, Reddy R, Chance B.

Adv Exp Med Biol. 2003;510:199-204. No abstract available.

PMID:
12580428
16.
17.

T(1rho) relaxation can assess longitudinal proteoglycan loss from articular cartilage in vitro.

Duvvuri U, Kudchodkar S, Reddy R, Leigh JS.

Osteoarthritis Cartilage. 2002 Nov;10(11):838-44.

18.

Chemical-shift MR imaging of acetic acid during percutaneous chemical ablation therapy: preliminary work.

Roberts DA, Rosen MA, Clark TW, Mondschein J, Soulen MC, Siegelman E, Leigh JS Jr.

J Vasc Interv Radiol. 2002 Oct;13(10):1055-9.

PMID:
12397130
19.

Pulmonary ventilation and perfusion scanning using hyperpolarized helium-3 MRI and arterial spin tagging in healthy normal subjects and in pulmonary embolism and orthotopic lung transplant patients.

Lipson DA, Roberts DA, Hansen-Flaschen J, Gentile TR, Jones G, Thompson A, Dimitrov IE, Palevsky HI, Leigh JS, Schnall M, Rizi RR.

Magn Reson Med. 2002 Jun;47(6):1073-6.

20.

Fast MRI of RF heating via phase difference mapping.

Shapiro EM, Borthakur A, Shapiro MJ, Reddy R, Leigh JS.

Magn Reson Med. 2002 Mar;47(3):492-8.

21.

1H spectroscopy without solvent suppression: characterization of signal modulations at short echo times.

Clayton DB, Elliott MA, Leigh JS, Lenkinski RE.

J Magn Reson. 2001 Dec;153(2):203-9.

PMID:
11740895
22.

Quantitative T1rho magnetic resonance imaging of RIF-1 tumors in vivo: detection of early response to cyclophosphamide therapy.

Duvvuri U, Poptani H, Feldman M, Nadal-Desbarats L, Gee MS, Lee WM, Reddy R, Leigh JS, Glickson JD.

Cancer Res. 2001 Nov 1;61(21):7747-53.

23.

Water magnetic relaxation dispersion in biological systems: the contribution of proton exchange and implications for the noninvasive detection of cartilage degradation.

Duvvuri U, Goldberg AD, Kranz JK, Hoang L, Reddy R, Wehrli FW, Wand AJ, Englander SW, Leigh JS.

Proc Natl Acad Sci U S A. 2001 Oct 23;98(22):12479-84. Epub 2001 Oct 16.

24.

Significant precision improvement for temperature mapping.

Li L, Shapiro EM, Leigh JS.

Magn Reson Med. 2001 Oct;46(4):678-82.

25.

Proteoglycan-induced changes in T1rho-relaxation of articular cartilage at 4T.

Akella SV, Regatte RR, Gougoutas AJ, Borthakur A, Shapiro EM, Kneeland JB, Leigh JS, Reddy R.

Magn Reson Med. 2001 Sep;46(3):419-23.

26.

Human knee: in vivo T1(rho)-weighted MR imaging at 1.5 T--preliminary experience.

Duvvuri U, Charagundla SR, Kudchodkar SB, Kaufman JH, Kneeland JB, Rizi R, Leigh JS, Reddy R.

Radiology. 2001 Sep;220(3):822-6.

PMID:
11526288
27.

Water distribution patterns inside bovine articular cartilage as visualized by 1H magnetic resonance imaging.

Shapiro EM, Borthakur A, Kaufman JH, Leigh JS, Reddy R.

Osteoarthritis Cartilage. 2001 Aug;9(6):533-8.

28.
29.

T1rho imaging of murine brain tumors at 4 T.

Poptani H, Duvvuri U, Miller CG, Mancuso A, Charagundla S, Fraser NW, Glickson JD, Leigh JS, Reddy R.

Acad Radiol. 2001 Jan;8(1):42-7.

PMID:
11201456
30.

Detection and localization of pulmonary air leaks using laser-polarized (3)He MRI.

Roberts DA, Rizi RR, Lipson DA, Aranda M, Baumgardner J, Bearn L, Hansen-Flaschen J, Gefter WB, Hatabu HH, Leigh JS Jr, Schnall MD.

Magn Reson Med. 2000 Sep;44(3):379-82.

31.

In vivo, in utero microscopic magnetic resonance imaging: application in a rat model of diaphragmatic hernia.

Hoydu AK, Kitano Y, Kriss A, Hensley H, Bergey P, Flake A, Hubbard A, Leigh JS Jr.

Magn Reson Med. 2000 Aug;44(2):331-5.

32.

Intermolecular dipole-dipole relaxation of (129)Xe dissolved in water.

Dimitrov IE, Reddy R, Leigh JS.

J Magn Reson. 2000 Aug;145(2):302-6.

PMID:
10910698
33.

Intermolecular zero-quantum coherence imaging of the human brain.

Rizi RR, Ahn S, Alsop DC, Garrett-Roe S, Mescher M, Richter W, Schnall MD, Leigh JS, Warren WS.

Magn Reson Med. 2000 May;43(5):627-32.

34.

Temperature-dependent chemical shift and relaxation times of (23)Na in Na(4)HTm[DOTP].

Shapiro EM, Borthakur A, Bansal N, Leigh JS, Reddy R.

J Magn Reson. 2000 Mar;143(1):213-6.

PMID:
10698662
35.

17O-decoupled (1)H spectroscopy and imaging with a surface coil: STEAM decoupling.

Charagundla SR, Duvvuri U, Noyszewski EA, Dandora R, Stolpen AH, Leigh JS, Reddy R.

J Magn Reson. 2000 Mar;143(1):39-44.

PMID:
10698645
36.

Demonstration of a compact compressor for application of metastability-exchange optical pumping of 3He to human lung imaging.

Gentile TR, Jones GL, Thompson AK, Rizi RR, Roberts DA, Dimitrov IE, Reddy R, Lipson DA, Gefter W, Schnall MD, Leigh JS.

Magn Reson Med. 2000 Feb;43(2):290-4.

37.

Sodium visibility and quantitation in intact bovine articular cartilage using high field (23)Na MRI and MRS.

Shapiro EM, Borthakur A, Dandora R, Kriss A, Leigh JS, Reddy R.

J Magn Reson. 2000 Jan;142(1):24-31.

PMID:
10617432
38.

Magnetization transfer imaging of the brain: A quantitative comparison of results obtained at 1.5 and 4.0 T.

Duvvuri U, Roberts DA, Leigh JS, Bolinger L.

J Magn Reson Imaging. 1999 Oct;10(4):527-32.

PMID:
10508319
39.

Pulmonary perfusion: respiratory-triggered three-dimensional MR imaging with arterial spin tagging--preliminary results in healthy volunteers.

Roberts DA, Gefter WB, Hirsch JA, Rizi RR, Dougherty L, Lenkinski RE, Leigh JS Jr, Schnall MD.

Radiology. 1999 Sep;212(3):890-5.

PMID:
10478262
40.

In vivo ATP synthesis rates in single human muscles during high intensity exercise.

Walter G, Vandenborne K, Elliott M, Leigh JS.

J Physiol. 1999 Sep 15;519 Pt 3:901-10.

41.

Cellular PO2 as a determinant of maximal mitochondrial O(2) consumption in trained human skeletal muscle.

Richardson RS, Leigh JS, Wagner PD, Noyszewski EA.

J Appl Physiol (1985). 1999 Jul;87(1):325-31.

42.

A novel approach to observing articular cartilage deformation in vitro via magnetic resonance imaging.

Kaufman JH, Regatte RR, Bolinger L, Kneeland JB, Reddy R, Leigh JS.

J Magn Reson Imaging. 1999 May;9(5):653-62.

PMID:
10331760
43.

An MR imaging method for simultaneous measurement of gaseous diffusion constant and longitudinal relaxation time.

Dimitrov IE, Charagundla SR, Rizi R, Reddy R, Leigh JS.

Magn Reson Imaging. 1999 Feb;17(2):267-73.

PMID:
10215482
44.

Spectral quantitation by principal component analysis using complex singular value decomposition.

Elliott MA, Walter GA, Swift A, Vandenborne K, Schotland JC, Leigh JS.

Magn Reson Med. 1999 Mar;41(3):450-5.

45.
46.

Sodium NMR evaluation of articular cartilage degradation.

Insko EK, Kaufman JH, Leigh JS, Reddy R.

Magn Reson Med. 1999 Jan;41(1):30-4.

47.

Proton T1rho-dispersion imaging of rodent brain at 1.9 T.

Rizi RR, Charagundla SR, Song HK, Reddy R, Stolpen AH, Schnall MD, Leigh JS.

J Magn Reson Imaging. 1998 Sep-Oct;8(5):1090-6.

PMID:
9786147
48.

Sodium multiple quantum spectroscopy of articular cartilage: effects of mechanical compression.

Duvvuri U, Kaufman JH, Patel SD, Bolinger L, Kneeland JB, Leigh JS, Reddy R.

Magn Reson Med. 1998 Sep;40(3):370-5.

PMID:
9727939
49.

Lactate efflux from exercising human skeletal muscle: role of intracellular PO2.

Richardson RS, Noyszewski EA, Leigh JS, Wagner PD.

J Appl Physiol (1985). 1998 Aug;85(2):627-34.

50.

MR imaging contrast enhancement based on intermolecular zero quantum coherences.

Warren WS, Ahn S, Mescher M, Garwood M, Ugurbil K, Richter W, Rizi RR, Hopkins J, Leigh JS.

Science. 1998 Jul 10;281(5374):247-51.

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