Michael Schar

Assistant Professor

20022019
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Research Output 2002 2019

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Article
2019

Multi-vendor standardized sequence for edited magnetic resonance spectroscopy

Saleh, M. G., Rimbault, D., Mikkelsen, M., Oeltzschner, G., Wang, A. M., Jiang, D., Alhamud, A., Near, J., Schar, M., Noeske, R., Murdoch, J. B., Ersland, L., Craven, A. R., Dwyer, G. E., Grüner, E. R., Pan, L., Ahn, S. & Edden, R. A. E., Apr 1 2019, In : NeuroImage. 189, p. 425-431 7 p.

Research output: Contribution to journalArticle

gamma-Aminobutyric Acid
Magnetic Resonance Spectroscopy
Lactic Acid
Glutathione
Head
Neuroimaging
Amides
Protons
Water
Brain
2018
Cerebrovascular Circulation
Signal-To-Noise Ratio
Noise
Magnetic Resonance Imaging
Costs and Cost Analysis
Creatine Kinase
Magnetic Resonance Spectroscopy
Heart Failure
Adenosine Triphosphate
Healthy Volunteers

Effects of eddy currents on selective spectral editing experiments at 3T

Oeltzschner, G., Snoussi, K., Puts, N., Mikkelsen, M., Harris, A. D., Pradhan, S., Tsapkini, K., Schar, M., Barker, P. B. & Edden, R. A. E., Mar 1 2018, In : Journal of Magnetic Resonance Imaging. 47, 3, p. 673-681 9 p.

Research output: Contribution to journalArticle

gamma-Aminobutyric Acid
Water
Aminobutyrates
Magnetic Resonance Spectroscopy

Molecular Imaging of CXCL12 Promoter-driven HSV1-TK Reporter Gene Expression

Alon, L., Kraitchman, D., Schar, M., Cortez, A., Yadav, N. N., Krimins, R., Johnston, P. V., Mcmahon, M. T., Van Zijl, P. C., Nimmagadda, S., Pomper, M. G., Bulte, J. W. & Gilad, A. A., Mar 1 2018, In : Biotechnology and Bioprocess Engineering. 23, 2, p. 208-217 10 p.

Research output: Contribution to journalArticle

Molecular imaging
Molecular Imaging
Reporter Genes
Gene expression
Magnetic resonance imaging

Precision and accuracy of cross-sectional area measurements used to measure coronary endothelial function with spiral MRI

Schar, M., Soleimanifard, S., Bonanno, G., Yerly, J., Hays, A. & Weiss, R. G., Jan 1 2018, (Accepted/In press) In : Magnetic Resonance in Medicine.

Research output: Contribution to journalArticle

Blood Vessels
Coronary Vessels
Exercise
Health
caN protocol

Regional coronary endothelial dysfunction is related to the degree of local epicardial fat in people with HIV

Iantorno, M., Soleimanifard, S., Schar, M., Brown, T. T., Bonanno, G., Barditch-Crovo, P., Mathews, L., Lai, S., Gerstenblith, G., Weiss, R. G. & Hays, A., Nov 1 2018, In : Atherosclerosis. 278, p. 7-14 8 p.

Research output: Contribution to journalArticle

Coronary Artery Disease
Fats
HIV
Adipose Tissue
Exercise
Cross-Over Studies
Xanthine Oxidase
Coronary Artery Disease
Coronary Vessels
Placebos

Whole-brain arteriography and venography: Using improved velocity-selective saturation pulse trains

Li, W., Xu, F., Schar, M., Liu, J., Shin, T., Zhao, Y., Van Zijl, P. C., Wasserman, B. A., Qiao, Y. & Qin, Q., Apr 1 2018, In : Magnetic Resonance in Medicine. 79, 4, p. 2014-2023 10 p.

Research output: Contribution to journalArticle

Phlebography
Angiography
Brain
Veins
Arteries
2017

Coronary artery endothelial dysfunction is present in HIV positive individuals without significant coronary artery disease

Iantorno, M., Schar, M., Soleimanifard, S., Brown, T. T., Moore, R. D., Barditch-crovo, P., Stuber, M., Lai, S., Gerstenblith, G., Weiss, R. G. & Hays, A., Mar 28 2017, (Accepted/In press) In : AIDS.

Research output: Contribution to journalArticle

Coronary Artery Disease
Coronary Vessels
HIV
Interleukin-6
Inflammation

Coronary endothelial function is better in healthy premenopausal women than in healthy older postmenopausal women and men

Mathews, L., Iantorno, M., Schar, M., Bonanno, G., Gerstenblith, G., Weiss, R. G. & Hays, A., Oct 1 2017, In : PLoS One. 12, 10, e0186448.

Research output: Contribution to journalArticle

exercise
Exercise
gender differences
Sex Characteristics
cardiovascular diseases

Fatigability, Exercise Intolerance, and Abnormal Skeletal Muscle Energetics in Heart Failure

Weiss, K., Schar, M., Panjrath, G. S., Zhang, Y., Sharma, K., Bottomley, P. A., Golozar, A., Steinberg, A., Gerstenblith, G., Russell, S. D. & Weiss, R. G., Jul 1 2017, In : Circulation: Heart Failure. 10, 7, e004129.

Research output: Contribution to journalArticle

Skeletal Muscle
Heart Failure
Exercise
Phosphates
Fatigue
Coronary Artery Disease
Exercise
Healthy Volunteers
Blood Vessels
Coronary Vessels

Low-Frequency Conductivity Tensor Imaging of the Human Head in vivo using DT-MREIT: First Study

Chauhan, M., Indahlastari, A., Kasinadhuni, A. K., Schar, M., Mareci, T. H. & Sadleir, R. J., Dec 13 2017, (Accepted/In press) In : IEEE Transactions on Medical Imaging.

Research output: Contribution to journalArticle

Acoustic impedance
Magnetic resonance
Electric Impedance
Tensors
Tomography

Self-gated golden angle spiral cine MRI for coronary endothelial function assessment

Bonanno, G., Hays, A., Weiss, R. G. & Schar, M., Jan 1 2017, (Accepted/In press) In : Magnetic Resonance in Medicine.

Research output: Contribution to journalArticle

Cine Magnetic Resonance Imaging
Electrocardiography
Sexually Transmitted Diseases
Exercise
Coronary Vessels

Spatial Hadamard encoding of J-edited spectroscopy using slice-selective editing pulses

Chan, K. L., Oeltzschner, G., Schar, M., Barker, P. B. & Edden, R. A. E., 2017, (Accepted/In press) In : NMR in Biomedicine.

Research output: Contribution to journalArticle

gamma-Aminobutyric Acid
Spectrum Analysis
Spectroscopy
Metabolites
Glutathione
2016

CSI and sense CSI

Schar, M., Strasser, B. & Dydak, U., 2016, In : eMagRes. 5, 2, p. 1291-1306 16 p.

Research output: Contribution to journalArticle

Signal-To-Noise Ratio
Signal to noise ratio
Magnetic Resonance Imaging
Magnetic resonance spectroscopy
Water

HERMES: Hadamard encoding and reconstruction of MEGA-edited spectroscopy

Chan, K. L., Puts, N., Schar, M., Barker, P. B. & Edden, R. A. E., Jul 1 2016, In : Magnetic Resonance in Medicine. 76, 1, p. 11-19 9 p.

Research output: Contribution to journalArticle

Spectrum Analysis
N-acetylaspartate
N-acetyl-1-aspartylglutamic acid
Aspartic Acid
Glutathione

Imaging of current flow in the human head during transcranial electrical therapy

Kasinadhuni, A. K., Indahlastari, A., Chauhan, M., Schar, M., Mareci, T. H. & Sadleir, R. J., Jul 3 2016, (Accepted/In press) In : Brain Stimulation.

Research output: Contribution to journalArticle

Head
Electric Impedance
Electrodes
Brain
Magnetic Resonance Spectroscopy

Physiologic motion: Dealing with cardiac, respiratory, and other sporadic motion in MRS

Schar, M., 2016, In : eMagRes. 5, 2, p. 1087-1096 10 p.

Research output: Contribution to journalArticle

Magnetic Resonance Spectroscopy
Spectroscopy
Tissue
Phase shift
Magnetic resonance spectroscopy

Prospective frequency correction for macromolecule-suppressed GABA editing at 3T

Edden, R. A. E., Oeltzschner, G., Harris, A. D., Puts, N., Chan, K. L., Boer, V. O., Schar, M. & Barker, P. B., 2016, (Accepted/In press) In : Journal of Magnetic Resonance Imaging.

Research output: Contribution to journalArticle

gamma-Aminobutyric Acid
Water

Simultaneous edited MRS of GABA and glutathione

Saleh, M. G., Oeltzschner, G., Chan, K. L., Puts, N., Mikkelsen, M., Schar, M., Harris, A. D. & Edden, R. A. E., Nov 15 2016, In : NeuroImage. 142, p. 576-582 7 p.

Research output: Contribution to journalArticle

gamma-Aminobutyric Acid
Glutathione
Spectrum Analysis
Aminobutyrates
Signal-To-Noise Ratio

Simultaneous Noninvasive Assessment of Systemic and Coronary Endothelial Function

Iantorno, M., Hays, A., Schar, M., Krishnaswamy, R., Soleimanifard, S., Steinberg, A., Stuber, M., Gerstenblith, G. & Weiss, R. G., Mar 1 2016, In : Circulation: Cardiovascular Imaging. 9, 3, e003954.

Research output: Contribution to journalArticle

Mammary Arteries
Exercise
Magnetic Resonance Imaging
Healthy Volunteers
Coronary Vessels
2015

Analytical three-point Dixon method: With applications for spiral water-fat imaging

Wang, D., Zwart, N. R., Li, Z., Schar, M. & Pipe, J. G., 2015, (Accepted/In press) In : Magnetic Resonance in Medicine.

Research output: Contribution to journalArticle

Fats
Water
Linear Models
Water Quality
Joints

Arterial spin labeled perfusion imaging using three-dimensional turbo spin echo with a distributed spiral-in/out trajectory

Li, Z., Schar, M., Wang, D., Zwart, N. R., Madhuranthakam, A. J., Karis, J. P. & Pipe, J. G., 2015, (Accepted/In press) In : Magnetic Resonance in Medicine.

Research output: Contribution to journalArticle

Perfusion Imaging
Volunteers
Datasets

Classification of histologically scored human knee osteochondral plugs by quantitative analysis of magnetic resonance images at 3T

Lukas, V. A., Fishbein, K. W., Lin, P. C., Schar, M., Schneider, E., Neu, C. P., Spencer, R. G. & Reiter, D. A., May 1 2015, In : Journal of Orthopaedic Research. 33, 5, p. 640-650 11 p.

Research output: Contribution to journalArticle

Osteoarthritis
Knee
Magnetic Resonance Spectroscopy
Research
Cartilage

Co-registration of magnetic resonance spectroscopy and transcranial magnetic stimulation

Hone-Blanchet, A., Salas, R., Celnik, P. A., Kalloo, A., Schar, M., Puts, N., Harris, A. D., Barker, P. B., Fecteau, S., Earley, C. J., Allen, R. & Edden, R. A. E., Mar 5 2015, In : Journal of Neuroscience Methods. 242, p. 52-57 6 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Magnetic Resonance Spectroscopy
Neurotransmitter Agents
Motor Cortex
Hand
Nitric Oxide
omega-N-Methylarginine
Exercise
Coronary Artery Disease
Vasodilation

Dixon water-fat separation in PROPELLER MRI acquired with two interleaved echoes

Schar, M., Eggers, H., Zwart, N. R., Chang, Y., Bakhru, A. & Pipe, J. G., 2015, (Accepted/In press) In : Magnetic Resonance in Medicine.

Research output: Contribution to journalArticle

Fats
Water
Signal-To-Noise Ratio
Volunteers

High-resolution whole-heart 3D T2 mapping can assess tissue heterogeneity of chronic MI in swine

Ding, H., Schuleri, K. H., Schär, M., Halperin, H. R., Beinart, R., Zviman, M. M. & Herzka, D. A., Feb 3 2015, (Accepted/In press) In : Journal of Cardiovascular Magnetic Resonance. p. 1-3 3 p.

Research output: Contribution to journalArticle

Swine
Magnetic resonance imaging
Swine
heart
swine
Shims

Non-contrast T1 and T2 relaxometry characterizes reperfusion injury of acute MI in swine

Ding, H., Schär, M., Schuleri, K. H., Halperin, H. R., Zviman, M. M., Beinart, R. & Herzka, D. A., Feb 3 2015, (Accepted/In press) In : Journal of Cardiovascular Magnetic Resonance. p. 1-2 2 p.

Research output: Contribution to journalArticle

Reperfusion Injury
Swine

Sliding-slab three-dimensional TSE imaging with a spiral-In/Out readout

Li, Z., Wang, D., Robison, R. K., Zwart, N. R., Schar, M., Karis, J. P. & Pipe, J. G., 2015, (Accepted/In press) In : Magnetic Resonance in Medicine.

Research output: Contribution to journalArticle

Artifacts
Magnetic Resonance Imaging
Signal-To-Noise Ratio
Neuroimaging

The effects of SENSE on PROPELLER imaging

Chang, Y., Pipe, J. G., Karis, J. P., Gibbs, W. N., Zwart, N. R. & Schar, M., Dec 1 2015, In : Magnetic Resonance in Medicine. 74, 6, p. 1598-1608 11 p.

Research output: Contribution to journalArticle

Computer-Assisted Image Processing
Signal-To-Noise Ratio
R388
Head
Monte Carlo Method

The MRI evaluation of nitric-oxide mediated systemic endothelial function and coronary endothelial function in healthy subjects and patients with coronary artery disease

Iantorno, M., Soleimanifard, S., Steinberg, A. M., Schär, M., Stuber, M., Gerstenblith, G., Weiss, R. & Hays, A., Feb 3 2015, (Accepted/In press) In : Journal of Cardiovascular Magnetic Resonance. p. 1-2 2 p.

Research output: Contribution to journalArticle

Coronary Artery Disease
Healthy Volunteers
Nitric Oxide

Three-dimensional whole-heart T2 mapping at 3T

Ding, H., Fernandez-De-Manuel, L., Schar, M., Schuleri, K. H., Halperin, H. R., He, L., Zviman, M. M., Beinart, R. & Herzka, D., Sep 1 2015, In : Magnetic Resonance in Medicine. 74, 3, p. 803-816 14 p.

Research output: Contribution to journalArticle

Respiration
Swine
Myocardium
Heart Rate
Myocardial Infarction
Creatine Kinase
Phosphocreatine
Adenosine Triphosphate
Heart Failure
Healthy Volunteers
Cerebral Angiography
Immunity
Angiography
Fourier Analysis
Healthy Volunteers
2014

Revised motion estimation algorithm for PROPELLER MRI

Pipe, J. G., Gibbs, W. N., Li, Z., Karis, J. P., Schar, M. & Zwart, N. R., 2014, In : Magnetic Resonance in Medicine. 72, 2, p. 430-437 8 p.

Research output: Contribution to journalArticle

Volunteers
Noise
Head
Radiologists
Magnetic Resonance Angiography
Coronary Angiography
Coronary Vessels
Magnetic Fields
Radio
2013

Chirality transfer in 1D self-assemblies: Influence of H-bonding vs metal coordination between dicyano[7]helicene enantiomers

Shchyrba, A., Nguyen, M. T., Wäckerlin, C., Martens, S., Nowakowska, S., Ivas, T., Roose, J., Nijs, T., Boz, S., Schar, M., Stöhr, M., Pignedoli, C. A., Thilgen, C., Diederich, F., Passerone, D. & Jung, T. A., Oct 16 2013, In : Journal of the American Chemical Society. 135, 41, p. 15270-15273 4 p.

Research output: Contribution to journalArticle

Scanning Tunnelling Microscopy
Photoelectron Spectroscopy
Enantiomers
Chirality
Self assembly

Direct in vitro comparison of six three-dimensional positive contrast methods for susceptibility marker imaging

Vonken, E. J. P. A., Schar, M., Yu, J., Bakker, C. J. G. & Stuber, M., Aug 2013, In : Journal of Magnetic Resonance Imaging. 38, 2, p. 344-357 14 p.

Research output: Contribution to journalArticle

Water
Least-Squares Analysis
Artifacts
Iron
Fats

Failing heart of patients with type 2 diabetes mellitus can adapt to extreme short-term increases in circulating lipids and does not display features of acute myocardial lipotoxicity

Nielsen, R., Nørrelund, H., Kampmann, U., Kim, W. Y., Ringgaard, S., Schar, M., Møller, N., Bøtker, H. E. & Wiggers, H., Jul 2013, In : Circulation: Heart Failure. 6, 4, p. 845-852 8 p.

Research output: Contribution to journalArticle

Nonesterified Fatty Acids
Type 2 Diabetes Mellitus
Lipids
Triglycerides
Heart Failure

Non-Invasive Detection of Coronary Endothelial Response to Sequential Handgrip Exercise in Coronary Artery Disease Patients and Healthy Adults

Hays, A., Stuber, M., Hirsch, G. A., Yu, J., Schar, M., Weiss, R. G., Gerstenblith, G. & Kelle, S., Mar 11 2013, In : PLoS One. 8, 3, e58047.

Research output: Contribution to journalArticle

Coronary Artery Disease
exercise
blood flow
Exercise
Healthy Volunteers

Nuclear Overhauser enhancement (NOE) imaging in the human brain at 7T

Jones, C., Huang, A., Xu, J., Edden, R. A. E., Schar, M., Hua, J., Oskolkov, N., Zacà, D., Zhou, J., Mcmahon, M. T., Pillai, J. & Van Zijl, P. C., Aug 5 2013, In : NeuroImage. 77, p. 114-124 11 p.

Research output: Contribution to journalArticle

Protons
Brain
Water
Amides
Proteins

Quantification of human high-energy phosphate metabolite concentrations at 3T with partial volume and sensitivity corrections

El-Sharkawy, A. M. M., Gabr, R. E., Schar, M., Weiss, R. G. & Bottomley, P. A., Nov 2013, In : NMR in Biomedicine. 26, 11, p. 1363-1371 9 p.

Research output: Contribution to journalArticle

Phosphocreatine
Metabolites
Adenosine Triphosphate
Phosphates
Tissue
Magnetic Resonance Angiography
Coronary Vessels
Signal-To-Noise Ratio
Blood Volume
Coronary Angiography

Spin-echo magnetic resonance spectroscopic imaging at 7 T with frequency-modulated refocusing pulses

Zhu, H., Soher, B. J., Ouwerkerk, R., Schar, M. & Barker, P. B., May 2013, In : Magnetic Resonance in Medicine. 69, 5, p. 1217-1225 9 p.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Signal-To-Noise Ratio
Artifacts
Lipids
Water