Qin Qin

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. pmc Point spread functions of the T2 decay in k-space trajectories with long echo train
    Qin Qin
    The Russell H Morgan Department of Radiology and Radiological Science, Neuro Section, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Magn Reson Imaging 30:1134-42. 2012
  2. pmc Quantitative T2 measurement of a single voxel with arbitrary shape using pinwheel excitation and CPMG acquisition
    Qin Qin
    Department of Biomedical Engineering, Yale University, New Haven, CT, USA
    MAGMA 20:233-40. 2007
  3. doi A simple approach for three-dimensional mapping of baseline cerebrospinal fluid volume fraction
    Qin Qin
    Neuro Section, Division of MR Research, The Russell H Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Magn Reson Med 65:385-91. 2011
  4. pmc Determination of whole-brain oxygen extraction fractions by fast measurement of blood T(2) in the jugular vein
    Qin Qin
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Magn Reson Med 65:471-9. 2011
  5. pmc Fast measurement of blood T1 in the human jugular vein at 3 Tesla
    Qin Qin
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
    Magn Reson Med 65:1297-304. 2011
  6. doi Implementation of vascular-space-occupancy MRI at 7T
    Jun Hua
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Magn Reson Med 69:1003-13. 2013
  7. pmc Measurement of absolute arterial cerebral blood volume in human brain without using a contrast agent
    Jun Hua
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    NMR Biomed 24:1313-25. 2011
  8. doi Three-dimensional whole-brain perfusion quantification using pseudo-continuous arterial spin labeling MRI at multiple post-labeling delays: accounting for both arterial transit time and impulse response function
    Qin Qin
    Russell H Morgan Department of Radiology and Radiological Science Division of MR Research, Johns Hopkins University School of Medicine, Baltimore, MD, USA F M Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, USA
    NMR Biomed 27:116-28. 2014
  9. doi Hematocrit and oxygenation dependence of blood (1)H2O T1 at 7 tesla
    Ksenija Grgac
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA F M Kirby Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, Maryland, USA
    Magn Reson Med 70:1153-9. 2013
  10. pmc Inflow-based vascular-space-occupancy (iVASO) MRI
    Jun Hua
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
    Magn Reson Med 66:40-56. 2011

Collaborators

Detail Information

Publications12

  1. pmc Point spread functions of the T2 decay in k-space trajectories with long echo train
    Qin Qin
    The Russell H Morgan Department of Radiology and Radiological Science, Neuro Section, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Magn Reson Imaging 30:1134-42. 2012
    ..Optimum T(k)/T(2) ratios to achieve maximum SNR per unit time were 1.2 for the Cartesian trajectory and 0.8 for the spiral trajectory...
  2. pmc Quantitative T2 measurement of a single voxel with arbitrary shape using pinwheel excitation and CPMG acquisition
    Qin Qin
    Department of Biomedical Engineering, Yale University, New Haven, CT, USA
    MAGMA 20:233-40. 2007
    ....
  3. doi A simple approach for three-dimensional mapping of baseline cerebrospinal fluid volume fraction
    Qin Qin
    Neuro Section, Division of MR Research, The Russell H Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Magn Reson Med 65:385-91. 2011
    ..Conversely, when comparing with the proposed approach, large overestimation of segmentation based method using T(1) -weighted images is found, and the underlying causes are suggested...
  4. pmc Determination of whole-brain oxygen extraction fractions by fast measurement of blood T(2) in the jugular vein
    Qin Qin
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Magn Reson Med 65:471-9. 2011
    ..Using this calibration, a whole-brain oxygen extraction fraction of 0.37 ± 0.04 was determined (n = 20), in excellent agreement with literature values...
  5. pmc Fast measurement of blood T1 in the human jugular vein at 3 Tesla
    Qin Qin
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
    Magn Reson Med 65:1297-304. 2011
    ..Interestingly, however, studies done on sickle cell anemia patients with much lower Hct (23 ± 3%, n = 10) revealed similar venous blood T(1) = 1924 ± 82 msec, indicating other possible physical influences affecting blood T(1)...
  6. doi Implementation of vascular-space-occupancy MRI at 7T
    Jun Hua
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Magn Reson Med 69:1003-13. 2013
    ..Our initial functional MRI results in normal human brains at 7T with this optimized VASO sequence showed better signal-to-noise ratio than at 3T...
  7. pmc Measurement of absolute arterial cerebral blood volume in human brain without using a contrast agent
    Jun Hua
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
    NMR Biomed 24:1313-25. 2011
    ....
  8. doi Three-dimensional whole-brain perfusion quantification using pseudo-continuous arterial spin labeling MRI at multiple post-labeling delays: accounting for both arterial transit time and impulse response function
    Qin Qin
    Russell H Morgan Department of Radiology and Radiological Science Division of MR Research, Johns Hopkins University School of Medicine, Baltimore, MD, USA F M Kirby Research Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, MD, USA
    NMR Biomed 27:116-28. 2014
    ..9 ± 0.4 s) are higher than the tissue T1 values, possibly reflecting a contribution from the microvascular arterial blood compartment. ..
  9. doi Hematocrit and oxygenation dependence of blood (1)H2O T1 at 7 tesla
    Ksenija Grgac
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA F M Kirby Center for Functional Brain Imaging, Kennedy Krieger Institute, Baltimore, Maryland, USA
    Magn Reson Med 70:1153-9. 2013
    ..It is discussed why blood (1)H2O T1 values measured in vivo for human blood may be about 10-20% larger than found in vitro for bovine blood at the same field strength. Magn Reson Med, 70:1153-1159, 2013. © 2012 Wiley Periodicals, Inc. ..
  10. pmc Inflow-based vascular-space-occupancy (iVASO) MRI
    Jun Hua
    The Russell H Morgan Department of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
    Magn Reson Med 66:40-56. 2011
    ..The onset of the hemodynamic response for iVASO occurred 1.2 ± 0.5 s (n = 7) faster than for conventional VASO...
  11. ncbi 2D arbitrary shape-selective excitation summed spectroscopy (ASSESS)
    Qin Qin
    Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06520 8043, USA
    Magn Reson Med 58:19-26. 2007
    ..The technique is described and compared with existing localization methods, and in vivo results are demonstrated...
  12. doi Intracranial arterial wall imaging using three-dimensional high isotropic resolution black blood MRI at 3.0 Tesla
    Ye Qiao
    The Russell H Morgan Department of Radiology and Radiological Sciences, The Johns Hopkins Hospital, Baltimore, Maryland, USA
    J Magn Reson Imaging 34:22-30. 2011
    ..To develop a high isotropic-resolution sequence to evaluate intracranial vessels at 3.0 Tesla (T)...