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Journal Article (69)

21.
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)
22.
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)
23.
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)
24.
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)
25.
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)
26.
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)
27.
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)
28.
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)
29.
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)
30.
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)
31.
Journal Article
Avdievich, N.: Transceiver-Phased Arrays for Human Brain Studies at 7 T. Applied Magnetic Resonance 41 (2-4), pp. 483 - 506 (2011)
32.
Journal Article
Pan, J.; Avdievich, N.; Hetherington, H.: J-refocused coherence transfer spectroscopic imaging at 7 T in human brain. Magnetic Resonance in Medicine 64 (5), pp. 1237 - 1246 (2010)
33.
Journal Article
Avdievich, N.; Oh, S.; Hetherington, H.; Collins, C.: Improved homogeneity of the transmit field by simultaneous transmission with phased array and volume coil. Journal of Magnetic Resonance Imaging 32 (2), pp. 476 - 481 (2010)
34.
Journal Article
Hetherington, H.; Avdievich, N.; Kuznetsov, A.; Pan, J.: RF shimming for spectroscopic localization in the human brain at 7 T. Magnetic Resonance in Medicine 63 (1), pp. 9 - 19 (2010)
35.
Journal Article
Avdievich, N.; Hetherington, H.: High‐field head radiofrequency volume coils using transverse electromagnetic (TEM) and phased array technologies. NMR in Biomedicine 22 (9), pp. 960 - 974 (2009)
36.
Journal Article
Avdievich, N.; Pan, J.; Baehring, J.; Spencer, D.; Hetherington, H.: Short echo spectroscopic imaging of the human brain at 7T using transceiver arrays. Magnetic Resonance in Medicine 62 (1), pp. 17 - 25 (2009)
37.
Journal Article
Avdievich, N.; Hetherington, H.; Kuznetsov, A.; Pan, J.: 7T head volume coils: Improvements for rostral brain imaging. Journal of Magnetic Resonance Imaging 29 (2), pp. 461 - 465 (2009)
38.
Journal Article
Bigal, M.; Hetherington, H.; Pan, J.; Tsang, A.; Grosberg, B.; Avdievich, N.; Friedman , B.; Lipton, R.: Occipital levels of GABA are related to severe headaches in migraine. Neurology 70 (22), pp. 2078 - 2080 (2008)
39.
Journal Article
Avdievich, N.; Bradshaw, K.; Lee, J.-H.; Kuznetsov, A.; Hetherington, H.: 4 T split TEM volume head and knee coils for improved sensitivity and patient accessibility. Journal of Magnetic Resonance 187 (2), pp. 234 - 241 (2007)
40.
Journal Article
Avdievich, N.; Bradshaw, K.; Kuznetsov, A.; Hetherington , H.: High-field actively detuneable transverse electromagnetic (TEM) coil with low-bias voltage for high-power RF transmission. Magnetic Resonance in Medicine 57 (6), pp. 1190 - 1195 (2007)
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