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Research Output 1989 2019

1989
5 Citations (Scopus)

Localized 13C‐{1H} NMR of rat liver In vivo using surface‐spoiling gradients

Chen, W. & Ackerman, J. J. H., Dec 1989, In : NMR in biomedicine. 2, 5-6, p. 267-273 7 p.

Research output: Contribution to journalArticle

Liver
Rats
Nuclear magnetic resonance
Tissue
Magnetic Fields
16 Citations (Scopus)

Surface coil single‐pulse localization in vivo via inhomogeneous surface spoiling magnetic gradient

Chen, W. & Ackerman, J. J. H., Apr 1989, In : NMR in biomedicine. 1, 4, p. 205-207 3 p.

Research output: Contribution to journalArticle

Inbred Strains Rats
Magnetic resonance spectroscopy
Rats
Animals
Magnetic Resonance Spectroscopy
10 Citations (Scopus)

Surface-coil spin-echo localization in vivo via inhomogeneous surface-spoiling magnetic gradient

Chen, W. & Ackerman, J. J. H., May 1989, In : Journal of Magnetic Resonance (1969). 82, 3, p. 655-658 4 p.

Research output: Contribution to journalArticle

1990
9 Citations (Scopus)
Magnetic Fields
Nuclear magnetic resonance spectroscopy
Rats
Magnetic Resonance Spectroscopy
Magnetic fields
10 Citations (Scopus)
Magnetic Fields
Nuclear magnetic resonance spectroscopy
Rats
Magnetic Resonance Spectroscopy
Magnetic fields
1992
2 Citations (Scopus)

The antisense coaxial surface-coil probe, an improved method for coil-to-coil electromagnetic decoupling of coaxial surface coils

Chen, W. & Ackerman, J. J. H., Jun 15 1992, In : Journal of Magnetic Resonance (1969). 98, 2, p. 238-258 21 p.

Research output: Contribution to journalArticle

decoupling
coils
electromagnetism
probes
transmitters
1993
77 Citations (Scopus)

Localized 1H NMR measurement of glucose consumption in the human brain during visual stimulation

Chen, W., Novotny, E. J., Zhu, X. H., Rothman, D. L. & Shulman, R. G., Nov 1 1993, In : Proceedings of the National Academy of Sciences of the United States of America. 90, 21, p. 9896-9900 5 p.

Research output: Contribution to journalArticle

Photic Stimulation
Glucose
Brain
Visual Cortex
Proton Magnetic Resonance Spectroscopy
6 Citations (Scopus)

NMR Studies of 1H NOEs in Glycogen

Chen, W., Zhu, X. H., Shulman, R. G. & Avison, M. J., Jan 1 1993, In : Biochemistry. 32, 43, p. 11483-11487 5 p.

Research output: Contribution to journalArticle

Glycogen
Nuclear magnetic resonance
Ostreidae
Protons
Irradiation
16 Citations (Scopus)

Nuclear Magnetic Resonance Relaxation of Glycogen H1 in Solution

Chen, W., Zhu, X. H., Shulman, R. G. & Avison, M. J., Jan 1 1993, In : Biochemistry. 32, 36, p. 9417-9422 6 p.

Research output: Contribution to journalArticle

Glycogen
Magnetic Resonance Spectroscopy
Nuclear magnetic resonance
Glucose
Protons
1994
14 Citations (Scopus)

Proton NMR observation of glycogen in vivo

Chen, W., Avison, M. J., Bloch, G. & Shulman, R. G., May 1994, In : Magnetic resonance in medicine. 31, 5, p. 576-579 4 p.

Research output: Contribution to journalArticle

Glycogen
Protons
Observation
Liver
1995
17 Citations (Scopus)

Reduction of Truncation Artifacts in Chemical-Shift Imaging by Extended Sampling Using Variable Repetition Time

Hu, X., Patel, M., Chen, W. & Ugurbil, K., Mar 1995, In : Journal of Magnetic Resonance, Series B. 106, 3, p. 292-296 5 p.

Research output: Contribution to journalArticle

Magnetic resonance spectroscopy
Artifacts
Brain
Magnetic Resonance Spectroscopy
Magnetic Resonance Imaging
1996
65 Citations (Scopus)

NMR studies of muscle glycogen synthesis in insulin-resistant offspring of parents with non-insulin-dependent diabetes mellitus immediately after glycogen-depleting exercise

Price, T. B., Perseghin, G., Duleba, A., Chen, W., Chase, J., Rothman, D. L., Shulman, R. G. & Shulman, G. I., May 28 1996, In : Proceedings of the National Academy of Sciences of the United States of America. 93, 11, p. 5329-5334 6 p.

Research output: Contribution to journalArticle

Glycogen
Type 2 Diabetes Mellitus
Insulin
Muscles
Glucose-6-Phosphate
1997
34 Citations (Scopus)

Determination of deoxymyoglobin changes during graded myocardial ischemia: An in vivo 1H NMR spectroscopy study

Chen, W., Zhang, J., Eljgelshoven, M. H. J., Zhang, Y., Zhu, X. H., Wang, C., Cho, Y., Merkle, H. & Uĝurbil, K., Aug 1 1997, In : Magnetic resonance in medicine. 38, 2, p. 193-197 5 p.

Research output: Contribution to journalArticle

Myocardial Ischemia
Magnetic Resonance Spectroscopy
Coronary Occlusion
Protons
Canidae
59 Citations (Scopus)
Photic Stimulation
Visual Cortex
Creatine Kinase
Brain
Phosphates
15 Citations (Scopus)

Suppression of physiological eye movement artifacts in functional MRI using slab presaturation

Chen, W. & Zhu, X. H., Oct 1 1997, In : Magnetic resonance in medicine. 38, 4, p. 546-550 5 p.

Research output: Contribution to journalArticle

Eye Movements
Artifacts
Magnetic Resonance Imaging
Echo-Planar Imaging
Dyskinesias
1998
25 Citations (Scopus)
Magnetic Resonance Spectroscopy
Carbon
Brain
Occipital Lobe
Signal-To-Noise Ratio
102 Citations (Scopus)

Human primary visual cortex and lateral geniculate nucleus activation during visual imagery

Chen, W., Kato, T., Zhu, X. H., Ogawa, S., Tank, D. W. & Ugurbil, K., Nov 16 1998, In : Neuroreport. 9, 16, p. 3669-3674 6 p.

Research output: Contribution to journalArticle

Geniculate Bodies
Imagery (Psychotherapy)
Visual Cortex
Magnetic Resonance Imaging
Photic Stimulation
66 Citations (Scopus)

Mapping of lateral geniculate nucleus activation during visual stimulation in human brain using fMRI

Chen, W., Kato, T., Zhu, X-H., Strupp, J., Ogawa, S. & Ugurbil, K., Jan 1 1998, In : Magnetic resonance in medicine. 39, 1, p. 89-96 8 p.

Research output: Contribution to journalArticle

Geniculate Bodies
Photic Stimulation
Magnetic Resonance Imaging
Brain
Pulvinar
Geniculate Bodies
Photic Stimulation
Magnetic Resonance Spectroscopy
Magnetic Resonance Imaging
Medicine
63 Citations (Scopus)
Cerebrovascular Circulation
Photic Stimulation
Perfusion Imaging
Visual Cortex
Nijmegen Breakage Syndrome
39 Citations (Scopus)
Visual Cortex
Photic Stimulation
Brain
Cerebrovascular Circulation
Eye Protective Devices
1999
125 Citations (Scopus)

Functional mapping in the human brain using high magnetic fields

Uǧurbil, K., Hu, X., Chen, W., Zhu, X. H., Kim, S. G. & Georgopoulos, A., Jul 29 1999, In : Philosophical Transactions of the Royal Society B: Biological Sciences. 354, 1387, p. 1195-1213 19 p.

Research output: Contribution to journalArticle

Magnetic Fields
magnetic fields
Brain
magnetic resonance imaging
Magnetic Resonance Imaging
42 Citations (Scopus)

High spatial resolution functional magnetic resonance imaging at very- high-magnetic field

Chen, W. & Ugurbil, K., Feb 1999, In : Topics in Magnetic Resonance Imaging. 10, 1, p. 63-78 16 p.

Research output: Contribution to journalReview article

Magnetic Fields
Magnetic Resonance Imaging
Neuroimaging
ocular Dominance
Geniculate Bodies
13 Citations (Scopus)

In vitro and in vivo studies of 1H NMR visibility to detect deoxyhemoglobin and deoxymyoglobin signals in myocardium

Chen, W., Cho, Y., Merkle, H., Ye, Y., Zhang, Y., Gong, G., Zhang, J. & Ugurbil, K., Jan 1 1999, In : Magnetic resonance in medicine. 42, 1, p. 1-5 5 p.

Research output: Contribution to journalArticle

Myocardium
Magnetic Resonance Spectroscopy
Pulse
Canidae
Protons
13 Citations (Scopus)

Mapping Brain Metabolites Using a Double Echo-Filter Metabolite Imaging (DEFMI) Technique

Chen, W. & Hu, J., Oct 1999, In : Journal of Magnetic Resonance. 140, 2, p. 363-370 8 p.

Research output: Contribution to journalArticle

Brain mapping
Brain Mapping
metabolites
Metabolites
imaging techniques
34 Citations (Scopus)

Myocardial creatine kinase kinetics in hearts with postinfarction left ventricular remodeling

Murakami, Y., Zhang, J. J., Eijgelshoven, M. H. J., Chen, W., Carlyle, W. C., Zhang, Y., Gong, G. & Bache, R. J., Mar 1 1999, In : American Journal of Physiology - Heart and Circulatory Physiology. 276, 3 45-3

Research output: Contribution to journalArticle

MB Form Creatine Kinase
Ventricular Remodeling
Dobutamine
Creatine Kinase
Heart Failure
64 Citations (Scopus)
Geniculate Bodies
Magnetic Resonance Imaging
Photic Stimulation
Brain
Visual Cortex
2000
203 Citations (Scopus)
Magnetic Resonance Imaging
Visual Cortex
Brain
Photic Stimulation
Evoked Potentials
68 Citations (Scopus)

Magnetic resonance studies of brain function and neurochemistry

Ugurbil, K., Adriany, G., Andersen, P. M., Chen, W., Gruetter, R., Hu, X., Merkle, H., Kim, D. S., Kim, S. G., Strupp, J. P., Zhu, X-H. & Ogawa, S., Dec 1 2000, In : Annual Review of Biomedical Engineering. 2, 2000, p. 633-660 28 p.

Research output: Contribution to journalArticle

Neurochemistry
Aptitude
Magnetic resonance
Synaptic Transmission
Brain
2001
63 Citations (Scopus)

17O relaxation time and NMR sensitivity of cerebral water and their field dependence

Zhu, X-H., Merkle, H., Kwag, J. H., Ugurbil, K. & Chen, W., Apr 12 2001, In : Magnetic resonance in medicine. 45, 4, p. 543-549 7 p.

Research output: Contribution to journalArticle

Water
Brain
Signal-To-Noise Ratio
Cerebrovascular Circulation
Internal Carotid Artery
97 Citations (Scopus)

Cerebral metabolic impairment in patients with obstructive sleep apnoea: An independent association of obstructive sleep apnoea with white matter change

Kamba, M., Inoue, Y., Higami, S., Suto, Y., Ogawa, T. & Chen, W., Sep 1 2001, In : Journal of Neurology Neurosurgery and Psychiatry. 71, 3, p. 334-339 6 p.

Research output: Contribution to journalArticle

Obstructive Sleep Apnea
Choline
Apnea
Cerebral Cortex
Analysis of Variance
16 Citations (Scopus)
Geniculate Bodies
Visual Cortex
Photic Stimulation
Magnetic Resonance Imaging
Visual Fields
6 Citations (Scopus)

Magnetic resonance imaging of brain function and neurochemistry

Ugurbil, K., Kim, D. S., Duong, T., Hu, X., Ogawa, S., Gruetter, R., Chen, W., Kim, S. G. I., Yacoub, X. H. E. A., Van De Moortele, P. F., Shmuel, A., Pfeuffer, J., Merkle, H., Andersen, P. & Adriany, G., Dec 1 2001, In : Proceedings of the IEEE. 89, 7, p. 1093-1106 14 p.

Research output: Contribution to journalArticle

Magnetic resonance imaging
Brain
Magnetic fields
Hemodynamics
Neurology
130 Citations (Scopus)

Microstrip RF surface coil design for extremely high-field MRI and spectroscopy

Zhang, X., Ugurbil, K. & Chen, W., Sep 21 2001, In : Magnetic resonance in medicine. 46, 3, p. 443-450 8 p.

Research output: Contribution to journalArticle

Electromagnetic Radiation
Silver
Protons
Copper
Spectrum Analysis
53 Citations (Scopus)
Photic Stimulation
Visual Cortex
Water
Phosphocreatine
Creatine
87 Citations (Scopus)
Cerebrovascular Circulation
Photic Stimulation
Citric Acid Cycle
Visual Cortex
Glutamic Acid
2002
152 Citations (Scopus)

Analysis of wave behavior in lossy dielectric samples at high field

Yang, Q. X., Wang, J., Zhang, X., Collins, C. M., Smith, M. B., Liu, H., Zhu, X. H., Vaughan, J. T., Ugurbil, K. & Chen, W., May 9 2002, In : Magnetic resonance in medicine. 47, 5, p. 982-989 8 p.

Research output: Contribution to journalArticle

Head
Electromagnetic Radiation
Salinity
Magnetic Fields
Water
98 Citations (Scopus)

Development of 17O NMR approach for fast imaging of cerebral metabolic rate of oxygen in rat brain at high field

Zhu, X-H., Zhang, Y., Tian, R. X., Lei, H., Zhang, N., Zhang, X., Merkle, H., Ugurbil, K. & Chen, W., Oct 1 2002, In : Proceedings of the National Academy of Sciences of the United States of America. 99, 20, p. 13194-13199 6 p.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Oxygen
Brain
Inhalation
Chloralose
91 Citations (Scopus)

Different excitation and reception distributions with a single-loop transmit-receive surface coil near a head-sized spherical phantom at 300 MHz

Collins, C. M., Yang, Q. X., Wang, J. H., Zhang, X., Liu, H., Michaeli, S., Zhu, X. H., Adriany, G., Vaughan, J. T., Anderson, P., Merkle, H., Ugurbil, K., Smith, M. B. & Chen, W., May 9 2002, In : Magnetic resonance in medicine. 47, 5, p. 1026-1028 3 p.

Research output: Contribution to journalArticle

Head
Direction compound
88 Citations (Scopus)
Occipital Lobe
Magnetic Fields
Ferritins
Blood Volume
Magnetic Resonance Imaging
54 Citations (Scopus)

Polarization of the RF field in a human head at high field: A study with a quadrature surface coil at 7.0 T

Wang, J., Yang, Q. X., Zhang, X., Collins, C. M., Smith, M. B., Zhu, X. H., Adriany, G., Ugurbil, K. & Chen, W., Aug 5 2002, In : Magnetic resonance in medicine. 48, 2, p. 362-369 8 p.

Research output: Contribution to journalArticle

Head
Brain
151 Citations (Scopus)
Creatine
Protons
Phosphocreatine
Water
Brain
2003
68 Citations (Scopus)

A microstrip transmission line volume coil for human head MR imaging at 4 T

Zhang, X., Ugurbil, K. & Chen, W., Apr 1 2003, In : Journal of Magnetic Resonance. 161, 2, p. 242-251 10 p.

Research output: Contribution to journalArticle

microstrip transmission lines
Electric lines
coils
Head
Imaging techniques
25 Citations (Scopus)
Prosencephalon
Protons
Ischemia
Creatine
Water

Comments on ultrahigh field 31P ATP T2 values (multiple letters)

Mulkern, R. V., Greenman, R. L., Rybicki, F. J., Lei, H., Zhu, X-H., Zhang, X. L., Qiao, H., Ugurbil, K. & Chen, W., Sep 1 2003, In : Magnetic resonance in medicine. 50, 3, p. 654-658 5 p.

Research output: Contribution to journalLetter

Phosphatidylethanolamines
Phosphocreatine
Visual Cortex
Creatine Kinase
Phosphatidylcholines
102 Citations (Scopus)

In vivo 31P magnetic resonance spectroscopy of human brain at 7 T: An initial experience

Lei, H., Zhu, X-H., Zhang, X. L., Ugurbil, K. & Chen, W., Feb 1 2003, In : Magnetic Resonance in Medicine. 49, 2, p. 199-205 7 p.

Research output: Contribution to journalArticle

Phosphocreatine
Magnetic Resonance Spectroscopy
Visual Cortex
Brain
Adenosine Triphosphate

Magnetic resonance imaging: Chemical-shift imaging: An introduction to its theory and practice

Hu, X., Chen, W., Patel, M. & Ugurbil, K., Jan 1 2003, Biomedical Imaging. CRC Press, p. 10-31-10-40

Research output: Chapter in Book/Report/Conference proceedingChapter

Magnetic resonance imaging
Magnetic Resonance Imaging
14 Citations (Scopus)
Carotid Arteries
Blood Vessels
Water
Electromagnetic Phenomena
Signal-To-Noise Ratio
75 Citations (Scopus)
Visual Cortex
Magnetic Resonance Spectroscopy
Adenosine Triphosphate
Phosphates
Glucose