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Yajun Ma

TitleAssistant Project Scientist
InstitutionUniversity of California San Diego
DepartmentRadiology
Address9500 Gilman Drive #0888
La Jolla CA 92093
Emailyam013@ucsd.edu
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    Collapse Biography 
    Collapse Education and Training
    University of California, San Diego, San Diego, USAPostdoc12/2017UTE imaging
    Peking University, Beijing, ChinaDoctorate07/2015MRI physics
    Collapse Awards and Honors
    Magnetic Resonance in Medicine 2018MRM Monthly highlight (May)
    ISMRM workshop on Advanced Musculoskeletal MRI: Arthritis & Beyond2017Young investigator award
    Magnetic Resonance in Medicine2017 MRM Monthly highlight (June)
    International Society of Magnetic Resonance in Medicine 2017Summa Cum Laude Merit Award
    Journal of Magnetic Resonance Imaging2017Distinguished reviewer

    Collapse Overview 

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
    List All   |   Timeline
    1. Zhou Q, Li SL, Ma Y, de Tal V, Li W, Zhao YH. Detection of Repair of the Zone of Calcified Cartilage with Osteoarthritis through Mesenchymal Stem Cells by Ultrashort Echo Time Magnetic Resonance Imaging. Chin Med J (Engl). 2018 May 05; 131(9):1092-1098. PMID: 29451138.
      View in: PubMed
    2. Carl M, Ma Y, Du J. Theoretical analysis and optimization of ultrashort echo time (UTE) imaging contrast with off-resonance saturation. Magn Reson Imaging. 2018 Jul; 50:12-16. PMID: 29526643.
      View in: PubMed
    3. Ma Y, Carl M, Searleman A, Lu X, Chang EY, Du J. 3D adiabatic T1? prepared ultrashort echo time cones sequence for whole knee imaging. Magn Reson Med. 2018 Feb 28. PMID: 29493004.
      View in: PubMed
    4. Ma Y, West J, Nazaran A, Cheng X, Hoenecke H, Du J, Chang EY. Feasibility of using an inversion-recovery ultrashort echo time (UTE) sequence for quantification of glenoid bone loss. Skeletal Radiol. 2018 Feb 02. PMID: 29396694.
      View in: PubMed
    5. Nguyen S, Lu X, Ma Y, Du J, Chang EY, von Drygalski A. Musculoskeletal ultrasound for intra-articular bleed detection: a highly sensitive imaging modality compared with conventional magnetic resonance imaging. J Thromb Haemost. 2018 Mar; 16(3):490-499. PMID: 29274196.
      View in: PubMed
    6. Chen B, Zhao Y, Cheng X, Ma Y, Chang EY, Kavanaugh A, Liu S, Du J. Three-dimensional ultrashort echo time cones (3D UTE-Cones) magnetic resonance imaging of entheses and tendons. Magn Reson Imaging. 2018 Jun; 49:4-9. PMID: 29309823.
      View in: PubMed
    7. Lu X, Ma Y, Chang EY, He Q, Searleman A, von Drygalski A, Du J. Simultaneous quantitative susceptibility mapping (QSM) and R2* for high iron concentration quantification with 3D ultrashort echo time sequences: An echo dependence study. Magn Reson Med. 2018 Apr; 79(4):2315-2322. PMID: 29314215.
      View in: PubMed
    8. Ma Y, Lu X, Carl M, Zhu Y, Szeverenyi NM, Bydder GM, Chang EY, Du J. Accurate T1 mapping of short T2 tissues using a three-dimensional ultrashort echo time cones actual flip angle imaging-variable repetition time (3D UTE-Cones AFI-VTR) method. Magn Reson Med. 2018 Aug; 80(2):598-608. PMID: 29314235.
      View in: PubMed
    9. Fan SJ, Ma Y, Zhu Y, Searleman A, Szeverenyi NM, Bydder GM, Du J. Yet more evidence that myelin protons can be directly imaged with UTE sequences on a clinical 3T scanner: Bicomponent T2* analysis of native and deuterated ovine brain specimens. Magn Reson Med. 2018 Aug; 80(2):538-547. PMID: 29271083.
      View in: PubMed
    10. Zhu Y, Cheng X, Ma Y, Wong JH, Xie Y, Du J, Chang EY. Rotator cuff tendon assessment using magic-angle insensitive 3D ultrashort echo time cones magnetization transfer (UTE-Cones-MT) imaging and modeling with histological correlation. J Magn Reson Imaging. 2017 Dec 08. PMID: 29219218.
      View in: PubMed
    11. Ma Y, Zhu Y, Lu X, Carl M, Chang EY, Du J. Short T2 imaging using a 3D double adiabatic inversion recovery prepared ultrashort echo time cones (3D DIR-UTE-Cones) sequence. Magn Reson Med. 2018 May; 79(5):2555-2563. PMID: 28913879.
      View in: PubMed
    12. Ma Y, Tadros A, Du J, Chang EY. Quantitative two-dimensional ultrashort echo time magnetization transfer (2D UTE-MT) imaging of cortical bone. Magn Reson Med. 2018 Apr; 79(4):1941-1949. PMID: 28776754.
      View in: PubMed
    13. Fan SJ, Ma Y, Chang EY, Bydder GM, Du J. Inversion recovery ultrashort echo time imaging of ultrashort T2 tissue components in ovine brain at 3 T: a sequential D2 O exchange study. NMR Biomed. 2017 Oct; 30(10). PMID: 28731616.
      View in: PubMed
    14. Nazaran A, Carl M, Ma Y, Jerban S, Zhu Y, Lu X, Du J, Chang EY. Three-dimensional adiabatic inversion recovery prepared ultrashort echo time cones (3D IR-UTE-Cones) imaging of cortical bone in the hip. Magn Reson Imaging. 2017 Dec; 44:60-64. PMID: 28716680.
      View in: PubMed
    15. Ma Y, Chang EY, Carl M, Du J. Quantitative magnetization transfer ultrashort echo time imaging using a time-efficient 3D multispoke Cones sequence. Magn Reson Med. 2018 Feb; 79(2):692-700. PMID: 28470838.
      View in: PubMed
    16. Ma Y, Carl M, Shao H, Tadros AS, Chang EY, Du J. Three-dimensional ultrashort echo time cones T1? (3D UTE-cones-T1? ) imaging. NMR Biomed. 2017 Jun; 30(6). PMID: 28318066.
      View in: PubMed
    17. He Q, Ma Y, Fan S, Shao H, Sheth V, Bydder GM, Du J. Direct magnitude and phase imaging of myelin using ultrashort echo time (UTE) pulse sequences: A feasibility study. Magn Reson Imaging. 2017 06; 39:194-199. PMID: 28219648.
      View in: PubMed
    18. Shao H, Pauli C, Li S, Ma Y, Tadros AS, Kavanaugh A, Chang EY, Tang G, Du J. Magic angle effect plays a major role in both T1rho and T2 relaxation in articular cartilage. Osteoarthritis Cartilage. 2017 Dec; 25(12):2022-2030. PMID: 28161394.
      View in: PubMed
    19. Sheth VR, Fan S, He Q, Ma Y, Annese J, Switzer R, Corey-Bloom J, Bydder GM, Du J. Inversion recovery ultrashort echo time magnetic resonance imaging: A method for simultaneous direct detection of myelin and high signal demonstration of iron deposition in the brain - A feasibility study. Magn Reson Imaging. 2017 05; 38:87-94. PMID: 28038965.
      View in: PubMed
    20. Ma Y, Shao H, Du J, Chang EY. Ultrashort echo time magnetization transfer (UTE-MT) imaging and modeling: magic angle independent biomarkers of tissue properties. NMR Biomed. 2016 11; 29(11):1546-1552. PMID: 27599046.
      View in: PubMed
    21. Chen J, Carl M, Ma Y, Shao H, Lu X, Chen B, Chang EY, Wu Z, Du J. Fast volumetric imaging of bound and pore water in cortical bone using three-dimensional ultrashort-TE (UTE) and inversion recovery UTE sequences. NMR Biomed. 2016 10; 29(10):1373-80. PMID: 27496335; PMCID: PMC5035210 [Available on 10/01/17].
    22. Chang EY, Ma Y, Du J. MR Parametric Mapping as a Biomarker of Early Joint Degeneration. Sports Health. 2016 Sep; 8(5):405-11. PMID: 27488128; PMCID: PMC5010134 [Available on 09/01/17].
    23. Chen J, Chang EY, Carl M, Ma Y, Shao H, Chen B, Wu Z, Du J. Measurement of bound and pore water T1 relaxation times in cortical bone using three-dimensional ultrashort echo time cones sequences. Magn Reson Med. 2017 Jun; 77(6):2136-2145. PMID: 27263994.
      View in: PubMed
    24. Ma Y, Chang EY, Bydder GM, Du J. Can ultrashort-TE (UTE) MRI sequences on a 3-T clinical scanner detect signal directly from collagen protons: freeze-dry and D2 O exchange studies of cortical bone and Achilles tendon specimens. NMR Biomed. 2016 07; 29(7):912-7. PMID: 27148693; PMCID: PMC4909542 [Available on 07/01/17].
    25. Fan Y, Nickerson LD, Li H, Ma Y, Lyu B, Miao X, Zhuo Y, Ge J, Zou Q, Gao JH. Functional Connectivity-Based Parcellation of the Thalamus: An Unsupervised Clustering Method and Its Validity Investigation. Brain Connect. 2015 Dec; 5(10):620-30. PMID: 26106821.
      View in: PubMed
    26. Ma Y, Liu W, Zhao X, Tang W, Li H, Fan Y, Tang X, Zhang Y, Gao JH. 3D interslab echo-shifted FLASH sequence for susceptibility weighted imaging. Magn Reson Med. 2016 07; 76(1):222-8. PMID: 26302037.
      View in: PubMed
    27. Liu W, Zhao X, Ma Y, Tang X, Gao JH. DWI using navigated interleaved multishot EPI with realigned GRAPPA reconstruction. Magn Reson Med. 2016 Jan; 75(1):280-6. PMID: 25753774.
      View in: PubMed
    28. Ma Y, Liu W, Zhao X, Tang W, Zhang Z, Tang X, Fan Y, Li H, Gao JH. Improved adaptive reconstruction of multichannel MR images. Med Phys. 2015 Feb; 42(2):637-644. PMID: 28102607.
      View in: PubMed
    29. Tang W, Wang W, Liu W, Ma Y, Tang X, Xiao L, Gao JH. A home-built digital optical MRI console using high-speed serial links. Magn Reson Med. 2015 Aug; 74(2):578-88. PMID: 25105249.
      View in: PubMed
    30. Ma Y, Liu W, Tang X, Gao JH. Improved SENSE imaging using accurate coil sensitivity maps generated by a global magnitude-phase fitting method. Magn Reson Med. 2014 Jul 17. PMID: 25043575.
      View in: PubMed
    31. Li H, Nickerson LD, Xiong J, Zou Q, Fan Y, Ma Y, Shi T, Ge J, Gao JH. A high performance 3D cluster-based test of unsmoothed fMRI data. Neuroimage. 2014 Sep; 98:537-46. PMID: 24836011.
      View in: PubMed
    32. Liu W, Tang X, Ma Y, Gao JH. 3D phase unwrapping using global expected phase as a reference: application to MRI global shimming. Magn Reson Med. 2013 Jul; 70(1):160-8. PMID: 22887641.
      View in: PubMed
    33. Liu W, Tang X, Ma Y, Gao JH. Improved parallel MR imaging using a coefficient penalized regularization for GRAPPA reconstruction. Magn Reson Med. 2013 Apr; 69(4):1109-14. PMID: 22628055.
      View in: PubMed