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Journal Article (35)

  1. 1.
    Journal Article
    Avdievich, N.; Solomakha, G.; Ruhm, L.; Scheffler, K.; Henning, A.: Evaluation of short folded dipole antennas as receive elements of ultra‐high‐field human head array. Magnetic Resonance in Medicine 82 (2), pp. 811 - 824 (2019)
  2. 2.
    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)
  3. 3.
    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)
  4. 4.
    Journal Article
    Nassirpour, S.; Chang, P.; Avdievitch, N.; Henning, A.: Compressed sensing for high‐resolution nonlipid suppressed 1H FID MRSI of the human brain at 9.4T. Magnetic Resonance in Medicine 80 (6), pp. 2311 - 2325 (2018)
  5. 5.
    Journal Article
    Aghaeifar, A.; Mirkes, C.; Bause, J.; Steffen, T.; Avdievitch, N.; Henning, A.; Scheffler, K.: Dynamic B0 shimming of the human brain at 9.4 T with a 16-channel multi-coil shim setup. Magnetic Resonance in Medicine 80 (4), pp. 1714 - 1725 (2018)
  6. 6.
    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)
  7. 7.
    Journal Article
    Chang, P.; Nassirpour, S.; Avdievich, N.; Henning, A.: Non-water-suppressed 1H FID-MRSI at 3T and 9.4T. Magnetic Resonance in Medicine 80 (2), pp. 442 - 451 (2018)
  8. 8.
    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)
  9. 9.
    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)
  10. 10.
    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)
  11. 11.
    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)
  12. 12.
    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)
  13. 13.
    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)
  14. 14.
    Journal Article
    Zoelch, N.; Hock, A.; Heinzer-Schweizer, S.; Avdievitch, N.; Henning, A.: Accurate determination of brain metabolite concentrations using ERETIC as external reference. NMR in Biomedicine 30 (8), pp. 1 - 16 (2017)
  15. 15.
    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)
  16. 16.
    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)
  17. 17.
    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)
  18. 18.
    Journal Article
    Avdievich, N.; Pan, J.; Hetherington, H.: Resonant inductive decoupling (RID) for transceiver arrays to compensate for both reactive and resistive components of the mutual impedance. NMR in Biomedicine 26 (11), pp. 1547 - 1554 (2013)
  19. 19.
    Journal Article
    Pan, J.; Duckrow, R.; Spencer, D.; Avdievich, N.; Hetherington, H.: elective homonuclear polarization transfer for spectroscopic imaging of GABA at 7T. Magnetic Resonance in Medicine 69 (2), pp. 310 - 316 (2013)
  20. 20.
    Journal Article
    Avdievich, N.: Transceiver-Phased Arrays for Human Brain Studies at 7 T. Applied Magnetic Resonance 41 (2-4), pp. 483 - 506 (2011)
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