Search results

Journal Article (13)

  1. 1.
    Journal Article
    Avdievich, N.; Giapitzakis, I.-A.; Bause, J.; Shajan, G.; Scheffler, K.; Henning, A.: Double‐row 18‐loop transceive–32‐loop receive tight‐fit array provides for whole‐brain coverage, high transmit performance, and SNR improvement near the brain center at 9.4T. Magnetic Resonance in Medicine 81 (5), pp. 3392 - 3405 (2019)
  2. 2.
    Journal Article
    Giapitzakis, I.-A.; Borbath, T.; Murali-Manohar, S.; Avdievich, N.; Henning, A.: Investigation of the influence of macromolecules and spline baseline in the fitting model of human brain spectra at 9.4T. Magnetic Resonance in Medicine 81 (2), pp. 746 - 758 (2019)
  3. 3.
    Journal Article
    Avdievich, N.; Giapitzakis, I.; Pfrommer, A.; Shajan, G.; Scheffler, K.; Henning, A.: Decoupling of a double‐row 16‐element tight‐fit transceiver phased array for human whole‐brain imaging at 9.4 T. NMR in Biomedicine 31 (9), pp. 1 - 13 (2018)
  4. 4.
    Journal Article
    Giapitzakis, I.; Avdievich, N.; Henning, A.: Characterization of macromolecular baseline of human brain using metabolite cycled semi-LASER at 9.4T. Magnetic Resonance in Medicine 80 (2), pp. 462 - 473 (2018)
  5. 5.
    Journal Article
    Wyss, P.; Bianchini, C.; Scheidegger, M.; Giapitzakis, I.; Hock, A.; Fuchs, A.; Henning, A.: In vivo estimation of transverse relaxation time constant (T2) of 17 human brain metabolites at 3T. Magnetic Resonance in Medicine 80 (2), pp. 452 - 461 (2018)
  6. 6.
    Journal Article
    Fichtner, N.; Giapitzakis, I.-A.; Avdievich, N.; Mekle, R.; Zaldivar, D.; Henning, A.; Kreis, R.: In vivo characterization of the downfield part of 1H MR spectra of human brain at 9.4T: Magnetization exchange with water and relation to conventionally determined metabolite content. Magnetic Resonance in Medicine 79 (6), pp. 2863 - 2873 (2018)
  7. 7.
    Journal Article
    Giapitzakis, I.; Shao, T.; Avdievich, N.; Mekle, R.; Kreis, R.; Henning, A.: Metabolite-cycled STEAM and semi-LASER localization for MR spectroscopy of the human brain at 9.4T. Magnetic Resonance in Medicine 79 (4), pp. 1841 - 1850 (2018)
  8. 8.
    Journal Article
    Avdievich, N.; Giapitzakis, I.; Pfrommer, A.; Borbath, T.; Henning, A.: Combination of surface and "vertical" loop elements improves receive performance of a human head transceiver array at 9.4 T. NMR in Biomedicine 31 (2), pp. 1 - 13 (2018)
  9. 9.
    Journal Article
    Avdievich, N.; Giapitzakis, I.-A.; Pfrommer, A.; Henning, A.: Decoupling of a tight-fit transceiver phased array for human brain imaging at 9.4T: Loop overlapping rediscovered. Magnetic Resonance in Medicine 79 (2), pp. 1200 - 1211 (2018)
  10. 10.
    Journal Article
    Avdievich, N.; Pfrommer, A.; Giapitzakis, I.; Henning, A.: Analytical modeling provides new insight into complex mutual coupling between surface loops at ultrahigh fields. NMR in Biomedicine 30 (10), pp. 1 - 13 (2017)
  11. 11.
    Journal Article
    Avdievich, N.; Hoffmann, J.; Shajan, G.; Pfrommer, A.; Giapitzakis, I.; Scheffler, K.; Henning, A.: Evaluation of transmit efficiency and SAR for a tight fit transceiver human head phased array at 9.4 T. NMR in Biomedicine 30 (2), pp. 1 - 12 (2017)
  12. 12.
    Journal Article
    Avdievich, N.; Giapitzakis, I.; Henning, A.: Novel splittable N-Tx/2N-Rx transceiver phased array to optimize both signal-to-noise ratio and transmit efficiency at 9.4T. Magnetic Resonance in Medicine 76 (5), pp. 1621 - 1628 (2016)
  13. 13.
    Journal Article
    Hoffmann, J.; Henning, A.; Giapitzakis, I.; Scheffler, K.; Shajan, G.; Pohmann, R.; Avdievich, N.: Safety testing and operational procedures for self-developed radiofrequency coils. NMR in Biomedicine 29 (9), pp. 1131 - 1144 (2016)

Book Chapter (1)

  1. 14.
    Book Chapter
    Giapitzakis, I.; Henning, A.: MRS Sequences and Protocols. In: Clinical MR Spectroscopy (Eds. McNulty, J.; Mullins, P.). Springer International Publishing, Cham, Switzerland (accepted)

Meeting Abstract (15)

  1. 15.
    Meeting Abstract
    Avdievich, N.; Giapitzakis, I.; Henning, A.: 32-Channel Combined Surface Loop / “Vertical” Loop Tight-Fit Array Provides for Full-Brain Coverage, High Transmit Performance, and SNR Improvement at 9.4T: an Alternative to Surface Loop / Dipole Antenna Combination. In Joint Annual Meeting ISMRM-ESMRMB 2018, 0140. Joint Annual Meeting ISMRM-ESMRMB 2018, Paris, France. (2018)
  2. 16.
    Meeting Abstract
    Avdievich, N.; Giapitzakis, I.; Henning, A.: Combined Surface Loop/"Vertical" Loop Elements Improve Receive Performance of a Human Head Transceiver Phased Array at 9.4T: an Alternative to Surface Loop/Dipole Antenna Combination. In Magnetic Resonance Materials in Physics, Biology and Medicine, 30 (Supplement 1), pp. S297 - S298. 34th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2017), Barcelona, Spain. (2017)
  3. 17.
    Meeting Abstract
    Giapitzakis, I.-A.; Fichtner, N.; Zaldivar, D.; Avdievich, N.; Manohar, S.; Kreis, R.; Henning, A.: Simultaneous detection of water and metabolites alternations under visual stimulation in human visual cortex utilizing metabolite cycled semi-LASER at 9.4T: preliminary results. In Magnetic Resonance Materials in Physics, Biology and Medicine, 30 (Supplement 1), pp. S246 - S247. 34th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2017), Barcelona, Spain. (2017)
  4. 18.
    Meeting Abstract
    Borbáth, T.; Giapitzakis, I.; Murali Manohar, S.; Henning, A.: Do macromolecular and spline baselines affect the metabolite quantification at 9.4T? In Magnetic Resonance Materials in Physics, Biology and Medicine, 30 (Supplement 1), pp. S115 - S116. 34th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2017), Barcelona, Spain. (2017)
  5. 19.
    Meeting Abstract
    Giapitzakis, I.-A.; Shao, T.; Avdievitsch, N.; Fichtner, N.; Merkle, R.; Kreis, R.; Henning, A.: Metabolite cycled semi-LASER and STEAM at 9.4T: Comparison and in vivo results. In 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), 1061, pp. 619 - 620. 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), Honolulu, HI, USA. (2017)
  6. 20.
    Meeting Abstract
    Giapitzakis, I.; Avdievitch, N.; Manohar, S.; Fichtner, N.; Kreis, R.; Henning, A.: Functional Magnetic Resonance Spectroscopy (fMRS) using metabolite cycled semi-LASER at 9.4T: a pilot study. In 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), 0402, p. 277 - 277. 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), Honolulu, HI, USA. (2017)
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