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Ultra-low field magnetic resonance imaging based on high Tc dc-SQUID

Wang Ning Jin Yi-Rong Deng Hui Wu Yu-Lin Zheng Guo-Lin Li Shao Tian Ye Ren Yu-Feng Chen Ying-Fei Zheng Dong-Ning

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Ultra-low field magnetic resonance imaging based on high Tc dc-SQUID

Wang Ning, Jin Yi-Rong, Deng Hui, Wu Yu-Lin, Zheng Guo-Lin, Li Shao, Tian Ye, Ren Yu-Feng, Chen Ying-Fei, Zheng Dong-Ning
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  • A systematic research on ultra-low field magnetic resonance imaging (MRI) is conducted based on high-Tc dc-SQUID senor. The coil system is first updated to reach the requirements of MRI experiment. After that one-dimensional and two-dimensional imaging are performed and images consistent well with original phantoms are obtained successfully. Two different methods are used to rebuild the image: direct back projection and Fourier transform reconstruction. Both of them can obtain the profile of water phantom. A comparative discussion between these methods is proposed: the Fourier transform method has a better profile, while the direct back projection has a better signal-to-noise ratio. Imaging of biological sample such as green pepper and celery is also performed, and it is consistent well with the physical object.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 11104333, 11161130519, 10974243) and the National Basic Research Program of China (Grant Nos. 2011CBA00106, 2009CB929102).
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    Li S, Reng Y F, Wang N, Tian Y, Chu H F, Li S L, Chen Y F, Li J, Chen G H, Zheng D N 2009 Acta Phys. Sin. 58 5744 (in Chinese) [李绍, 任育峰, 王宁, 田野, 陈莺飞, 李洁, 郑东宁 2009 物理学报 58 5744]

    [13]

    Yang H C, Horng H E, Yang S Y, Liao S H 2009 Supercond. Sci. Technol. 22 045008

    [14]

    Wang N, Jin Y J, Li S, Ren Y F, Tian Y, Chen Y F, Li J, Chen G H, Zheng D N 2011 J. Physics: Conference Beijing, China, August 10-17

    [15]

    Connor C, Chang J, Pines A 1990 Rev. Sci. Instrum. 61 1059

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    Zu D L 2004 Magnetic Resonance Imaging (Beijing: Higher Education Press) p69 (in Chinese) [俎栋林 2004 核磁共振成像学 (北京: 高等教育出版社) 第69页]

  • [1]

    Lauterbur P C 1973 Nature 242 190

    [2]

    Mossle M, Han S I, Myers W R, Lee S K, Kelso N, Hatridge M, Pines A, Clarke J 2006 J. Magnetic Resonance 179 146

    [3]

    Clarke J, Hatridge M, Moble M 2007 Annu. Rev. Biomed. Eng. 9 389

    [4]

    Shahverdiev E M, Shore K A 2005 Phys. Rev. E 71 016201

    [5]

    Wang J S, Feng J, Zhan M S 2001 Acta Phys. Sin. 50 299 (in Chinese) [王继锁, 冯健, 詹明生 2001 物理学报 50 299]

    [6]

    McDermott R, Lee S K, ten Haken B, Trabesinger A H, Pines A, Clarke J 2004 PNAS 101 7857

    [7]

    McDermott R, Kelso N, Lee S K, Moble M, Muck M, Myers W, Haken B T, Seton H C, Trabesinger A H, Pines A, Clarke J 2004 J. Low Temperature Phys. 135 5

    [8]

    Magnelind P E, Gomez J J, Matlashov A N, Owens T, Sandin J H, Volegov P L, Espy M A 2011 IEEE Trans. Appl. Supercond. 21 456

    [9]

    Liao S H, Huang K W, Yang H C, Yen C T, Chen M J, Chen H H, Horng H E, Yang S Y 2010 Appl. Phys. Lett. 97 263701

    [10]

    Qiu L Q, Zhang Y, Krause H J, Braginski A I, Burghoff M, Trahms L 2007 Appl. Phys. Lett. 91 072505

    [11]

    Qiu L Q, Zhang Y, Krause H J, Braginski A I, Burghoff M, Trahms L 2007 Appl. Phys. Lett. 91 072505

    [12]

    Li S, Reng Y F, Wang N, Tian Y, Chu H F, Li S L, Chen Y F, Li J, Chen G H, Zheng D N 2009 Acta Phys. Sin. 58 5744 (in Chinese) [李绍, 任育峰, 王宁, 田野, 陈莺飞, 李洁, 郑东宁 2009 物理学报 58 5744]

    [13]

    Yang H C, Horng H E, Yang S Y, Liao S H 2009 Supercond. Sci. Technol. 22 045008

    [14]

    Wang N, Jin Y J, Li S, Ren Y F, Tian Y, Chen Y F, Li J, Chen G H, Zheng D N 2011 J. Physics: Conference Beijing, China, August 10-17

    [15]

    Connor C, Chang J, Pines A 1990 Rev. Sci. Instrum. 61 1059

    [16]

    Zu D L 2004 Magnetic Resonance Imaging (Beijing: Higher Education Press) p69 (in Chinese) [俎栋林 2004 核磁共振成像学 (北京: 高等教育出版社) 第69页]

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Publishing process
  • Received Date:  06 April 2012
  • Accepted Date:  14 May 2012
  • Published Online:  05 November 2012

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