Joseph Helpern to Magnetic Resonance Spectroscopy
This is a "connection" page, showing publications Joseph Helpern has written about Magnetic Resonance Spectroscopy.
Connection Strength
1.726
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In vivo assessment of age-related brain iron differences by magnetic field correlation imaging. J Magn Reson Imaging. 2012 Aug; 36(2):322-31.
Score: 0.362
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Iron-fortified MRI: effects and applications of iron-induced NMR relaxation in biological tissues. NMR Biomed. 2004 Nov; 17(7):425-6.
Score: 0.218
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In vivo NMR studies of neurodegenerative diseases in transgenic and rodent models. Neurochem Res. 2003 Jul; 28(7):987-1001.
Score: 0.198
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The application of diffusion-weighted line-scanning for the rapid assessment of water ADC changes in stroke at high magnetic fields. NMR Biomed. 1997 Apr; 10(2):79-86.
Score: 0.129
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Histopathological correlations of nuclear magnetic resonance imaging parameters in experimental cerebral ischemia. Magn Reson Imaging. 1993; 11(2):241-6.
Score: 0.096
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Magnetic resonance spectroscopy in cerebral ischemia. Neurol Clin. 1992 Feb; 10(1):1-29.
Score: 0.090
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Interleaved 31P NMR with transcutaneous nerve stimulation (TNS): a method of monitoring compliance-independent skeletal muscle metabolic response to exercise. Magn Reson Med. 1989 Apr; 10(1):50-6.
Score: 0.074
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Brain pH in migraine: an in vivo phosphorus-31 magnetic resonance spectroscopy study. Cephalalgia. 1988 Dec; 8(4):273-7.
Score: 0.072
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The promise of high-field-strength MR imaging. AJNR Am J Neuroradiol. 2003 Oct; 24(9):1738-9.
Score: 0.050
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The influence of preischemic hyperglycemia on acute changes in brain water ADCw following focal ischemia in rats. Brain Res. 1998 Mar 30; 788(1-2):137-43.
Score: 0.034
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The influence of preischemic hyperglycemia on acute changes in the apparent diffusion coefficient of brain water following global ischemia in rats. Brain Res. 1997 May 16; 757(1):139-45.
Score: 0.032
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Assessment of relative brain iron concentrations using T2-weighted and T2*-weighted MRI at 3 Tesla. Magn Reson Med. 1994 Sep; 32(3):335-41.
Score: 0.027
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Acute elevation and recovery of intracellular [Mg2+] following human focal cerebral ischemia. Neurology. 1993 Aug; 43(8):1577-81.
Score: 0.025
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Altered brain energy metabolism in demented patients with multiple subcortical ischemic lesions. Working hypotheses. Arch Neurol. 1993 Apr; 50(4):384-8.
Score: 0.024
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Human focal cerebral ischemia: evaluation of brain pH and energy metabolism with P-31 NMR spectroscopy. Radiology. 1992 Nov; 185(2):537-44.
Score: 0.024
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Assessment of magnesium concentrations by 31P NMR in vivo. NMR Biomed. 1992 Mar-Apr; 5(2):53-8.
Score: 0.023
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19F NMR imaging of cerebral blood flow. Magn Reson Med. 1991 Jul; 20(1):151-7.
Score: 0.022
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Fluorocarbon-23 measure of cat cerebral blood flow by nuclear magnetic resonance. Stroke. 1990 Jan; 21(1):100-6.
Score: 0.019
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Pathophysiological correlates of cerebral ischemia the significance of cellular acid base shifts. Funct Neurol. 1990 Jan-Mar; 5(1):21-31.
Score: 0.019
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In vivo 31P NMR profiles of Alzheimer's disease and multiple subcortical infarct dementia. Neurology. 1989 Nov; 39(11):1423-7.
Score: 0.019
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Rubidium transport in human erythrocyte suspensions monitored by 87Rb NMR with aqueous chemical shift reagents. NMR Biomed. 1989 Jul; 2(2):47-54.
Score: 0.019
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Preliminary observations on brain energy metabolism in migraine studied by in vivo phosphorus 31 NMR spectroscopy. Neurology. 1989 Apr; 39(4):538-41.
Score: 0.018
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Cerebral blood flow measured by NMR indicator dilution in cats. Stroke. 1989 Feb; 20(2):259-67.
Score: 0.018
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Global cerebral ischemia and intracellular pH during hyperglycemia and hypoglycemia in cats. Stroke. 1988 Nov; 19(11):1383-7.
Score: 0.018
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In vivo evaluation of intracellular pH and high-energy phosphate metabolites during regional myocardial ischemia in cats using 31P nuclear magnetic resonance. Magn Reson Med. 1986 Apr; 3(2):262-9.
Score: 0.015
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In vivo 31-P NMR of photoactivated hematoporphyrin derivative in cat brain. Med Phys. 1985 Mar-Apr; 12(2):256-8.
Score: 0.014
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Anoxia followed by hyperoxia: in vivo 31-P NMR of cat brain. Magn Reson Imaging. 1984; 2(4):329-33.
Score: 0.013
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Abnormalities of skeletal muscle metabolism during nerve stimulation determined by 31P nuclear magnetic resonance spectroscopy in severe congestive heart failure. Am J Cardiol. 1995 Sep 15; 76(8):606-9.
Score: 0.007
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Temporal evolution and spatial distribution of the diffusion constant of water in rat brain after transient middle cerebral artery occlusion. J Neurol Sci. 1993 Dec 15; 120(2):123-30.
Score: 0.006
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Chronic changes in the brain Mg2+ concentration after forebrain ischemia in the rat. Metab Brain Dis. 1991 Dec; 6(4):199-206.
Score: 0.006
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Temporal evolution of ischemic damage in rat brain measured by proton nuclear magnetic resonance imaging. Stroke. 1991 Jun; 22(6):802-8.
Score: 0.005
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Nuclear magnetic resonance spectroscopy study of human brain after cardiac resuscitation. Stroke. 1991 Apr; 22(4):462-8.
Score: 0.005
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Low brain magnesium in migraine. Headache. 1989 Oct; 29(9):590-3.
Score: 0.005
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Reduction of hyperthermic ischemic acidosis by a conditioning event in cats. Stroke. 1989 Oct; 20(10):1357-60.
Score: 0.005
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Low brain magnesium in migraine. Headache. 1989 Jul; 29(7):416-9.
Score: 0.005
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Prolonged deterioration of ischemic brain energy metabolism and acidosis associated with hyperglycemia: human cerebral infarction studied by serial 31P NMR spectroscopy. Ann Neurol. 1988 Apr; 23(4):416-8.
Score: 0.004
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Biochemical effects of cerebral ischemia: relevance to migraine. Cephalalgia. 1985 May; 5 Suppl 2:35-42.
Score: 0.004