Qing X Yang

Summary

Affiliation: Pennsylvania State University
Country: USA

Publications

  1. ncbi request reprint Analysis of wave behavior in lossy dielectric samples at high field
    Qing X Yang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033, USA
    Magn Reson Med 47:982-9. 2002
  2. pmc Radiofrequency field enhancement with high dielectric constant (HDC) pads in a receive array coil at 3.0T
    Qing X Yang
    Department of Radiology, The Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
    J Magn Reson Imaging 38:435-40. 2013
  3. pmc Reducing SAR and enhancing cerebral signal-to-noise ratio with high permittivity padding at 3 T
    Qing X Yang
    Departments of Radiology, The Pennsylvania State University College of Medicine, 500 University Drive, Hershey, Pennsylvania, USA
    Magn Reson Med 65:358-62. 2011
  4. ncbi request reprint Manipulation of image intensity distribution at 7.0 T: passive RF shimming and focusing with dielectric materials
    Qing X Yang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
    J Magn Reson Imaging 24:197-202. 2006
  5. ncbi request reprint Reduction of magnetic field inhomogeneity artifacts in echo planar imaging with SENSE and GESEPI at high field
    Qing X Yang
    Department of Radiology, Center for NMR Research, Pennsylvania State University College of Medicine, Milton S Hershey Medical Center, Hershey 17033, USA
    Magn Reson Med 52:1418-23. 2004
  6. ncbi request reprint Phantom design method for high-field MRI human systems
    Qing X Yang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey 17033, USA
    Magn Reson Med 52:1016-20. 2004
  7. ncbi request reprint Two dimensional prolate spheroidal wave functions for MRI
    Qing X Yang
    Department of Radiology Center for NMR Research, The Pennsylvania State University, College of Medicine, The Milton S Hershey Medical Center, 500 University Dr, Hershey, PA 17033, USA
    J Magn Reson 158:43-51. 2002
  8. pmc Imaging nigral pathology and clinical progression in Parkinson's disease
    Guangwei Du
    Department of Neurology, Pennsylvania State University Milton S Hershey Medical Center, Hershey, Pennsylvania 17033 0850, USA
    Mov Disord 27:1636-43. 2012
  9. pmc Olfactory deficit detected by fMRI in early Alzheimer's disease
    Jianli Wang
    Department of Radiology, The Pennsylvania State University College of Medicine, Center for NMR Research, PA, USA
    Brain Res 1357:184-94. 2010
  10. ncbi request reprint Polarization of the RF field in a human head at high field: a study with a quadrature surface coil at 7.0 T
    Jinghua Wang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey 17033, USA
    Magn Reson Med 48:362-9. 2002

Detail Information

Publications34

  1. ncbi request reprint Analysis of wave behavior in lossy dielectric samples at high field
    Qing X Yang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033, USA
    Magn Reson Med 47:982-9. 2002
    ..The numerical calculation method is validated with experimental results. The general behavior of the RF field with respect to the average brain electrical properties in a frequency range of 42-350 MHz is also analyzed...
  2. pmc Radiofrequency field enhancement with high dielectric constant (HDC) pads in a receive array coil at 3.0T
    Qing X Yang
    Department of Radiology, The Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
    J Magn Reson Imaging 38:435-40. 2013
    ..To investigate the use of a new high-dielectric constant (HDC) material for improving SNR and transmission efficiency for clinical MRI applications at 3 Tesla (T) with cervical spine imaging...
  3. pmc Reducing SAR and enhancing cerebral signal-to-noise ratio with high permittivity padding at 3 T
    Qing X Yang
    Departments of Radiology, The Pennsylvania State University College of Medicine, 500 University Drive, Hershey, Pennsylvania, USA
    Magn Reson Med 65:358-62. 2011
    ..Thus, dielectric pads may be used to provide a relatively simple and low-cost method for improving quality and safety of MRI in a variety of applications at 3 T...
  4. ncbi request reprint Manipulation of image intensity distribution at 7.0 T: passive RF shimming and focusing with dielectric materials
    Qing X Yang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, USA
    J Magn Reson Imaging 24:197-202. 2006
    ..To investigate the effects of high dielectric material padding on RF field distribution in the human head at 7.0 T, and demonstrate the feasibility and effectiveness of RF passive shimming and focusing with such an approach...
  5. ncbi request reprint Reduction of magnetic field inhomogeneity artifacts in echo planar imaging with SENSE and GESEPI at high field
    Qing X Yang
    Department of Radiology, Center for NMR Research, Pennsylvania State University College of Medicine, Milton S Hershey Medical Center, Hershey 17033, USA
    Magn Reson Med 52:1418-23. 2004
    ..The SENSE and GESEPI methods are complementary in artifact reduction. Combining these two techniques produces a method capable of reducing all three types of EPI artifacts while maintaining rapid acquisition time...
  6. ncbi request reprint Phantom design method for high-field MRI human systems
    Qing X Yang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey 17033, USA
    Magn Reson Med 52:1016-20. 2004
    ....
  7. ncbi request reprint Two dimensional prolate spheroidal wave functions for MRI
    Qing X Yang
    Department of Radiology Center for NMR Research, The Pennsylvania State University, College of Medicine, The Milton S Hershey Medical Center, 500 University Dr, Hershey, PA 17033, USA
    J Magn Reson 158:43-51. 2002
    ..The 2D-PSWF method offers an efficient way for spatial and temporal tradeoff with minimal penalty due to truncation, and thus, it promises a wide range of applications in MRI research...
  8. pmc Imaging nigral pathology and clinical progression in Parkinson's disease
    Guangwei Du
    Department of Neurology, Pennsylvania State University Milton S Hershey Medical Center, Hershey, Pennsylvania 17033 0850, USA
    Mov Disord 27:1636-43. 2012
    ..These findings suggest that fractional anisotropy changes may mark early pathological changes in caudal SN, whereas the changes in R2* may more closely track PD's clinical progression after symptom onset...
  9. pmc Olfactory deficit detected by fMRI in early Alzheimer's disease
    Jianli Wang
    Department of Radiology, The Pennsylvania State University College of Medicine, Center for NMR Research, PA, USA
    Brain Res 1357:184-94. 2010
    ..These findings demonstrate that olfactory fMRI is sensitive to the AD-related olfactory and cognitive functional decline...
  10. ncbi request reprint Polarization of the RF field in a human head at high field: a study with a quadrature surface coil at 7.0 T
    Jinghua Wang
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey 17033, USA
    Magn Reson Med 48:362-9. 2002
    ..Theoretical and experimental results for a phantom and the human head at 7.0 T are presented. The results are theoretically important and practically useful for high-field quadrature coil design and application...
  11. pmc Maturational and aging effects on human brain apparent transverse relaxation
    Jianli Wang
    Department of Radiology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania, United States of America
    PLoS ONE 7:e31907. 2012
    ..These results indicate the complexity of age-related R(2) changes in the brain while providing normative reference data that can be utilized in clinical examinations and studies utilizing quantitative transverse relaxation...
  12. ncbi request reprint Hexagonal zero mode TEM coil: a single-channel coil design for imaging multiple small animals
    Jelena Lazovic
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey, 17033, USA
    Magn Reson Med 53:1150-7. 2005
    ..The hexagonal coil design utilizes a single receiver and allows for simultaneous imaging of six small animals with no significant compromise in SNR...
  13. ncbi request reprint Direct magnetic resonance imaging of histological tissue samples at 3.0T
    Mark D Meadowcroft
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Milton S Hershey Medical Center, Hershey, Pennsylvania 17033, USA
    Magn Reson Med 57:835-41. 2007
    ..This work demonstrates the feasibility of using a microimaging histological coil to image thin slices of pathologically diseased tissue to obtain a precise one-to-one comparison between stained tissue and MR images...
  14. doi request reprint Permittivity and performance of dielectric pads with sintered ceramic beads in MRI: early experiments and simulations at 3 T
    Wei Luo
    Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania, USA
    Magn Reson Med 70:269-75. 2013
    ..Importantly, use of beads results in both higher permittivity and lower conductivity than use of powder...
  15. pmc Serum cholesterol and nigrostriatal R2* values in Parkinson's disease
    Guangwei Du
    Department of Neurology, Pennsylvania State University Milton S Hershey Medical Center, Hershey, Pennsylvania, United States of America
    PLoS ONE 7:e35397. 2012
    ....
  16. doi request reprint Cerebral plasticity and recovery of function after childhood prefrontal cortex damage
    Kyle Thompson
    Department of Neurology, Penn State College of Medicine and Hershey Medical Center, Hershey, Pennsylvania 17033 0859, USA
    Dev Neurorehabil 12:298-312. 2009
    ..His pattern of recovery has been examined and tracked over the past 17 years and evolved from initial significant impairments in executive, spatial and attentional abilities from the brain lesion to remarkable recovery of function...
  17. ncbi request reprint Central brightening due to constructive interference with, without, and despite dielectric resonance
    Christopher M Collins
    Center for NMR Research, Department of Radiology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033, USA
    J Magn Reson Imaging 21:192-6. 2005
    ....
  18. doi request reprint Developmental frontal lobe imaging in moral judgment: Arthur Benton's enduring influence 60 years later
    Paul J Eslinger
    Department of Neurology, Penn State College of Medicine and Hershey Medical Center, Hershey, PA 17033 0850, USA
    J Clin Exp Neuropsychol 31:158-69. 2009
    ..Findings confirm a significant role for anterior-medial prefrontal cortex in the typical development and maturation of moral decision making, consistent with clinical lesion case descriptions...
  19. doi request reprint Developmental shifts in fMRI activations during visuospatial relational reasoning
    Paul J Eslinger
    Department of Neurology EC037, College of Medicine and Hershey Medical Center, The Pennsylvania State University, P O Box 850, Hershey, PA 17033, USA
    Brain Cogn 69:1-10. 2009
    ....
  20. pmc An MRI-derived definition of MCI-to-AD conversion for long-term, automatic prognosis of MCI patients
    Yaman Aksu
    Center for NMR Research, Department of Radiology, Penn State University College of Medicine, Hershey, Pennsylvania, United States of America
    PLoS ONE 6:e25074. 2011
    ..We also identify key prognostic brain region biomarkers...
  21. pmc Functional MRI evidence for distinctive binding and consolidation pathways for face-name associations: analysis of activation maps and BOLD response amplitudes
    Melissa Robinson-Long
    Department of Neurology, College of Medicine, Pennsylvania State University, The Milton S Hershey Medical Center, Philadelphia, PA 17033 0857, USA
    Top Magn Reson Imaging 20:271-8. 2009
    ....
  22. ncbi request reprint Functional magnetic resonance imaging study of human olfaction and normal aging
    Jianli Wang
    Center for Nuclear Magnetic Resonance Research, Department of Radiology, The Pennsylvania State University College of Medicine, Hershey, PA 17033, USA
    J Gerontol A Biol Sci Med Sci 60:510-4. 2005
    ..In the present study, we tested the hypothesis that aged adults have intact though reduced activity in the central olfactory system using functional magnetic resonance imaging (fMRI)...
  23. ncbi request reprint Age dependency of cartilage magnetic resonance imaging T2 relaxation times in asymptomatic women
    Timothy J Mosher
    Pennsylvania State University, Milton S Hershey Medical Center, Hershey, Pennsylvania 17033, USA
    Arthritis Rheum 50:2820-8. 2004
    ..The purpose of this study was to determine age-dependent differences in cartilage T2 values in healthy asymptomatic women...
  24. pmc Margin-maximizing feature elimination methods for linear and nonlinear kernel-based discriminant functions
    Yaman Aksu
    Electrical Engineering Department, Pennsylvania State University, University Park, PA 16802, USA
    IEEE Trans Neural Netw 21:701-17. 2010
    ..On high-dimensional gene microarray data sets, University of California at Irvine (UCI) repository data sets, and Alzheimer's disease brain image data, MFE methods give promising results...
  25. ncbi request reprint Interphalangeal joint cartilage: high-spatial-resolution in vivo MR T2 mapping--a feasibility study
    Jelena Lazovic-Stojkovic
    Department of Radiology, Pennsylvania State University Center for NMR Research, Penn State Milton S Hershey Medical Center, 500 University Dr, Hershey, PA 17033, USA
    Radiology 233:292-6. 2004
    ..Application of T2 mapping techniques to non-weight-bearing joints may provide a means for differentiation of local biomechanical and systemic factors that can affect cartilage T2 values...
  26. pmc MRI and histological analysis of beta-amyloid plaques in both human Alzheimer's disease and APP/PS1 transgenic mice
    Mark D Meadowcroft
    Department of Radiology Center for NMR Research, Pennsylvania State University College of Medicine, Milton S Hershey Medical Center, Hershey, Pennsylvania, USA
    J Magn Reson Imaging 29:997-1007. 2009
    ....
  27. ncbi request reprint Numerical calculations of the static magnetic field in three-dimensional multi-tissue models of the human head
    Christopher M Collins
    Department of Radiology, The Pennsylvania State University College of Medicine, Hershey 17033, USA
    Magn Reson Imaging 20:413-24. 2002
    ..Results are presented in parts per million (ppm) deviation from the applied field strength and are valid for any imaging or spectroscopy system...
  28. pmc Postmortem and imaging based analyses reveal CNS decreased myelination in restless legs syndrome
    James R Connor
    Department of Neurosurgery, Pennsylvania State University College of Medicine, Milton S Hershey Medical Center, Hershey, PA 17033 0850, USA
    Sleep Med 12:614-9. 2011
    ..Iron deficiency is associated with hypomyelination in brains of animals. Therefore we hypothesized that a myelin deficit should be present in the brains of patients with RLS...
  29. pmc Combined R2* and diffusion tensor imaging changes in the substantia nigra in Parkinson's disease
    Guangwei Du
    Department of Neurology, Pennsylvania State University Milton S Hershey Medical Center, Hershey, Pennsylvania 17033 0850, USA
    Mov Disord 26:1627-32. 2011
    ..Further studies are warranted to evaluate the pathophysiological correlations of these magnetic resonance imaging measurements and their effectiveness in assisting in diagnosing Parkinson's disease and following its progression...
  30. pmc Mild cognitive impairment: baseline and longitudinal structural MR imaging measures improve predictive prognosis
    Linda K McEvoy
    Department of Radiology, University of California, San Diego, 9500 Gilman Dr, La Jolla, CA 92093, USA
    Radiology 259:834-43. 2011
    ..To assess whether single-time-point and longitudinal volumetric magnetic resonance (MR) imaging measures provide predictive prognostic information in patients with amnestic mild cognitive impairment (MCI)...
  31. pmc STAMPS: Software Tool for Automated MRI Post-processing on a supercomputer
    Don C Bigler
    Department of Radiology, Center for NMR Research, The Pennsylvania State College of Medicine, Hershey, PA, USA
    Comput Methods Programs Biomed 95:146-57. 2009
    ..Since STAMPS is PBS-based, the supercomputer may be a multi-node computer cluster or one of the latest multi-core computers...
  32. doi request reprint Efficacy of interleukin-13 receptor-targeted liposomal doxorubicin in the intracranial brain tumor model
    Achuthamangalam B Madhankumar
    Department of Neurosurgery H110, G M Leader Family Laboratory, Penn State University, College of Medicine, M S Hershey Medical Center, 500 University Drive, Hershey, PA 17033 0850, USA
    Mol Cancer Ther 8:648-54. 2009
    ..These data show that IL-13 targeted nanovesicles are a viable option for the treatment of brain tumors...
  33. ncbi request reprint Measurement and correction of transmitter and receiver induced nonuniformities in vivo
    Jinghua Wang
    Department of Diagnostic Radiology, Yale University School Medical Center, The Anlyan Center, New Haven, Connecticut 06520, USA
    Magn Reson Med 53:408-17. 2005
    ..Although the correction presented here is demonstrated with a simultaneous transmit and receive volume coil, it can be extended to the case of separate transmission and reception coils, including surface and phase array coils...
  34. ncbi request reprint A generalization of the two-dimensional prolate spheroidal wave function method for nonrectilinear MRI data acquisition methods
    Martin A Lindquist
    Department of Statistics, Columbia University, New York, NY 10027, USA
    IEEE Trans Image Process 15:2792-804. 2006
    ..The method is applied to an fMRI study using a spiral trajectory, which illustrates the methods efficiency at tracking hemodynamic signals with high temporal resolution...

Research Grants3

  1. Neuroimaging Study on Function-Structure Relationship of Olfactory Deficit in AD
    Qing Yang; Fiscal Year: 2009
    ..Aim 3: Identify and quantify the relationship between atrophy and olfactory dysfunction at the sites of early degeneration. ..
  2. Neuroimaging Study on Function-Structure Relationship of Olfactory Deficit in AD
    Qing X Yang; Fiscal Year: 2010
    ..Aim 3: Identify and quantify the relationship between atrophy and olfactory dysfunction at the sites of early degeneration. ..