2025

Gapais, P.‐F., Luong, M., Giacomini, E., Guillot, J., Djaballah, E., Gunamony, S. , Chu, S., Hosseinnezhadian, S. and Amadon, A. (2025) A 32‐channel high‐impedance honeycomb‐shaped receive array for temporal lobes exploration at 11.7T. Magnetic Resonance in Medicine, 93(1), pp. 433-447. (doi: 10.1002/mrm.30274) (PMID:39219305)

2024

Ding, B., Williams, S. N. , Dragonu, I., Liebig, P., Allwood-Spiers, S., McElhinney, P., Gunamony, S. , Fullerton, N. and Porter, D. A. (2024) Slice-specific B1+ shimming improves the repeatability of multi-shot, diffusion-weighted imaging at 7T. Magnetic Resonance in Medicine, 92(6), pp. 2560-2570. (doi: 10.1002/mrm.30208) (PMID:39091132)

Boulant, N., Ma, S., Walker, E., Beckett, A., Vu, A. T., Gunamony, S. and Feinberg, D. A. (2024) Acoustic noise reduction in the NexGen 7 T scanner. Magnetic Resonance in Medicine, 92(5), pp. 2261-2270. (doi: 10.1002/mrm.30211)

Winata, S. , Hoinkiss, D. C., Keith, G. , Williams, S. , Ding, B., Al-Wasity, S., Gunamony, S. and Porter, D. (2024) Real-time multislice-to-volume motion correction with single and parallel transmission for task-based functional MRI at 7T. 2024 International Society for Magnetic Resonance in Medicine (ISMRM) Workshop on Motion Correction in MR, Québec City, QC, Canada, 03-06 Sep 2024.

Gokyar, S., Zhao, C., Gunamony, S. , Tang, L., West, J., Kokot, N. and Wang, D. J. J. (2024) A 3D surface coil with deep learning‐based noise reduction for parotid gland imaging at 7T. iRadiology, 2(4), pp. 368-376. (doi: 10.1002/ird3.79)

Baskaran, D., McElhinney, P. , Williams, S. , Allwood-Spiers, S., Ding, B., Fullerton, N., Porter, D. and Gunamony, S. (2024) An 8-channel Transceiver and 56-channel Receive Array for Combined Brain and C-spine Imaging at 7 Tesla. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Ding, B., Yan, J., Woodward, R., Allwood-Spiers, S., Williams, S. , Keith, G. , McElhinney, P. , Fullerton, N., Porter, D. and Gunamony, S. (2024) Combining Transceiver Loops with a Conventional Receive Array Increases Central SNR in Brain Imaging at 7T. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Ghosalkar, J. et al. (2024) Initial Experience in pCASL Using a Novel Neurovascular Coil at 7T. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Keith, G. , Williams, S. , Ding, B., Trinder, J. , Seginer, A., Schmidt, R., Gunamony, S. , Fullerton, N. and Porter, D. (2024) B1+ Shimming in 1H RS-COKE Spectroscopic Imaging in the Human Brain at 7T. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

2023

Winata, S. , Hoinkiss, D.C., Keith, G.A. , Williams, S.N. , Ding, B.Y., Al-Wasity, S., Gunamony, S. and Porter, D.A. (2023) Parallel Transmit Imaging with Real-time Multislice-to-volume Motion Correction for Task-based Functional MRI at 7T. 39th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2023), Basel, Switzerland, 4-7 October 2023. pp. 214-15.

Chu, S., Gras, V., Mauconduit, F., Massire, A., Boulant, N. and Gunamony, S. (2023) Electromagnetic and RF pulse design simulation based optimization of an eight-channel loop array for 11.7T brain imaging. Magnetic Resonance in Medicine, 90(2), pp. 770-783. (doi: 10.1002/mrm.29654) (PMID:36999747)

Baskaran, D., McElhinney, P. , Williams, S. , Allwood-Spiers, S., Porter, D. and Gunamony, S. (2023) Eight-channel Transceiver Array for Combined Head and Neck Imaging at 7 Tesla. 2023 ISMRM and ISMRT Annual Meeting and Exhibition, Toronto, Canada, 3-8 June 2023.

Williams, S. , McElhinney, P. , Ding, B., Allwood-Spiers, S., Porter, D., Gunamony, S. and Brink, W. (2023) Experimental Assessment of the Effects of Subject Motion on Local SAR and pTx Pulse Performance at 7T. 2023 ISMRM and ISMRT Annual Meeting and Exhibition, Toronto, Canada, 3-8 June 2023.

Baskaran, D., McElhinney, P. , Williams, S. , Allwood-Spiers, S., Porter, D. and Gunamony, S. (2023) Eight-channel Transceiver and Fifty-six Channel Receiver Array for Combined Head-and-neck Imaging at 7 Tesla. SINAPSE Annual Scientific Meeting 2023, Glasgow, UK, 14 June 2023.

Herrler, J. et al. (2023) The effects of RF coils and SAR supervision strategies for clinically applicable nonselective parallel-transmit pulses at 7 T. Magnetic Resonance in Medicine, 89(5), pp. 1888-1900. (doi: 10.1002/mrm.29569) (PMID:36622945)

Williams, S. N. , McElhinney, P. and Gunamony, S. (2023) Ultra-high field MRI: parallel-transmit arrays and RF pulse design. Physics in Medicine and Biology, 68(2), 02TR02. (doi: 10.1088/1361-6560/aca4b7)

2021

Williams, S. N. , Allwood-Spiers, S., McElhinney, P. , Paterson, G., Herrler, J., Liebig, P., Nagel, A. M., Foster, J. E., Porter, D. A. and Gunamony, S. (2021) A nested eight-channel transmit array with open-face concept for human brain imaging at 7 tesla. Frontiers in Physics, 9, 701330. (doi: 10.3389/fphy.2021.701330)

Gunamony, S. , Müller, R., McElhinney, P. , Williams, S. , Groß-Weege, N., Weiskopf, N., Möller, H. E. and Feinberg, D. (2021) A 16-Channel Transmit 96-Channel Receive Head Coil for NexGen 7T Scanner. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

Herrler, J., Williams, S. , Liebig, P., Gunamony, S. , Meixner, C., Maier, A., Dörfler, A., Porter, D. and Nagel, A. M. (2021) Evaluating Universal and Fast Online Customized Pulses for Parallel Transmission Using Two Different RF Coils. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

McElhinney, P. , Paterson, G., Philiastides, M. and Gunamony, S. (2021) Numerical Modelling of a Close-fitting 8-channel Transceiver Head Coil and EEG Electrodes for Safety Validation at 7T. ISMRM 2021 Annual Meeting, 15-20 May 2021. (Accepted for Publication)

Williams, S. N. , Allwood-Spiers, S., McElhinney, P. , Tao, Y., Foster, J. E., Gunamony, S. and Porter, D. A. (2021) Validation of SAR Management Procedure for Dynamic pTx RF Waveforms Using a Self- Built Coil at 7 Tesla. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

Williams, S. N. , Herrler, J., Liebig, P., McElhinney, P. , Gunamony, S. , Nagel, A. M. and Porter, D. A. (2021) SAR Management in pTx Sequence Design: The Impact of Electromagnetic-Field-Derived Virtual Observation Points. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

Williams, S. N. , Herrler, J., Liebig, P., McElhinney, P. , Allwood-Spiers, S., Foster, J. E., Gunamony, S. , Nagel, A. M. and Porter, D. A. (2021) Comparing Specific Absorption Rate (Tissue Heating) Management Methods for Parallel Transmit MRI at 7 Tesla. 13th Scottish Imaging Network: A Platform for Scientific Excellence Annual Scientific Meeting (SINAPSE), Virtual, 16-17 September 2021.

2020

Williams, S. N. , McElhinney, P. , Porter, D. and Gunamony, S. (2020) Comparing the Practical Effects of VOP Compressions for SAR Monitoring at 7 T. Minnesota Workshop on High and Ultra-high Field Imaging 2019, Minneapolis, MN, USA, 12-16 November 2019. (Unpublished)

Williams, S. , Allwood-Spiers, S., McElhinney, P. , Tao, Y., Foster, J. E., Porter, D. A. and Gunamony, S. (2020) Validation and Safety Approval of a Dual-Mode Head Coil for pTx Applications In Vivo at 7 Tesla. ISMRM & SMRT Virtual Conference & Exhibition, 8-14 August 2020.

Williams, S. N. , Allwood-Spiers, S., McElhinney, P. , Tao, Y., Foster, J., Porter, D. and Gunamony, S. (2020) First In Vivo Images from an InHouse Parallel Transmit (pTx) Coil for MRI at 7 Tesla. 12th Annual SINAPSE Meeting, 19th June 2020.

2019

McElhinney, P. , Allwood-Spiers, S. and Gunamony, S. (2019) Computational Simulation of an 8Tx32Rx Open-face Head Coil for 7 Tesla. BC-ISMRM, Sheffield, UK, 16-18 Sep 2019.

Gunamony, S. , McElhinney, P. , Allwood-Spiers, S., Paterson, G. and Goense, J. (2019) An 8-Channel Transmit 32-Channel Receive 7T Head Coil for 1Tx and pTx Scanner Modes. ISMRM 27th Annual Meeting & Exhibition, Montreal, Quebec, Canada, 11-16 May 2019.

Avdievich, N. I., Giapitzakis, I.‐A., Bause, J., Shajan, G. , Scheffler, K. and Henning, A. (2019) 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. (doi: 10.1002/mrm.27602) (PMID:30506725)

Max-Planck-Gesellschaft zur Forderung der Wissenschaften (2019) Transmit/receive switch, a transmit coil array and a receive coil array for MRI. .

Adriany, G. et al. (2019) Evaluation of a 16-Channel Transmitter for Head Imaging at 10.5T. In: 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, 09-13 Sep 2019, pp. 1171-1174. ISBN 9781728105635 (doi: 10.1109/ICEAA.2019.8879131)

2018

Avdievich, N. I., Giapitzakis, I. A., Pfrommer, A., Shajan, G. , Scheffler, K. and Jemmomg, A. (2018) Decoupling of a double‐row 16‐element tight‐fit transceiver phased array for human whole‐brain imaging at 9.4T. NMR in Biomedicine, 31(9), e3964. (doi: 10.1002/nbm.3964) (PMID:29974989)

2017

Kozlov, M., Bode, J., Bazin, P.-L., Weiskopf, N., Moller, H.E. and Gunamony, S. (2017) Comparison of 7T 16-channel Dual-row Transmit Arrays. In: International Conference on Electromagnetics in Advanced Applications (ICEAA 2017), Verona, Italy, 11-15 Sep 2017, pp. 1264-1267. ISBN 9781509044511 (doi: 10.1109/ICEAA.2017.8065502)

Chadzynski, G. L., Bause, J., Shajan, G. , Pohmann, R., Scheffler, K. and Ehses, P. (2017) Fast and efficient free induction decay MR spectroscopic imaging of the human brain at 9.4 Tesla. Magnetic Resonance in Medicine, 78(4), pp. 1281-1295. (doi: 10.1002/mrm.26539) (PMID:27900794)

Avdievich, N.I., Hoffmann, J., Shajan, G. , Pfrommer, A., Giapitzakis, I.A., Scheffler, K. and Henning, A. (2017) Evaluation of transmit efficiency and SAR for a tight fit transceiver human head phased array at 9.4 T. NMR in Biomedicine, 30(2), e3680. (doi: 10.1002/nbm.3680) (PMID:28028862)

Hagberg, G.E. et al. (2017) Whole brain MP2RAGE-based mapping of the longitudinal relaxation time at 9.4T. NeuroImage, 144(Part A), pp. 203-216. (doi: 10.1016/j.neuroimage.2016.09.047) (PMID:27663989)

2016

Bisdas, S. et al. (2016) MR spectroscopy for in vivo assessment of the oncometabolite 2-hydroxyglutarate and its effects on cellular metabolism in human brain gliomas at 9.4T. Journal of Magnetic Resonance Imaging, 44(4), pp. 823-833. (doi: 10.1002/jmri.25221) (PMID:26970248)

Hoffmann, J., Henning, A., Giapitzakis, I. A., Scheffler, K., Shajan, G. , Pohmann, R. and Avdievich, N. I. (2016) Safety testing and operational procedures for self-developed radiofrequency coils. NMR in Biomedicine, 29(9), pp. 1131-1144. (doi: 10.1002/nbm.3290) (PMID:25851551)

Mirkes, C., Shajan, G. , Chadzynski, G., Buckenmaier, K., Bender, B. and Scheffler, K. (2016) 31P CSI of the human brain in healthy subjects and tumor patients at 9.4 T with a three-layered multi-nuclear coil: initial results. Magnetic Resonance Materials in Physics, Biology and Medicine, 29(3), pp. 579-589. (doi: 10.1007/s10334-016-0524-9) (PMID:26811174)

Tse, D. H. Y., Wiggins, C. J., Ivanov, D., Brenner, D., Hoffmann, J., Mirkes, C., Shajan, G. , Scheffler, K., Uludağ, K. and Poser, B. A. (2016) Volumetric imaging with homogenised excitation and static field at 9.4 T. Magnetic Resonance Materials in Physics, Biology and Medicine, 29(3), pp. 333-345. (doi: 10.1007/s10334-016-0543-6) (PMID:26995492) (PMCID:PMC4891373)

Wiesner, H. M., Balla, D. Z., Shajan, G. , Scheffler, K., Uğurbil, K., Chen, W., Uludağ, K. and Pohmann, R. (2016) 17O relaxation times in the rat brain at 16.4 tesla. Magnetic Resonance in Medicine, 75(5), pp. 1886-1893. (doi: 10.1002/mrm.25814) (PMID:26098931)

Bause, J., Ehses, P., Mirkes, C., Shajan, G. , Scheffler, K. and Pohmann, R. (2016) Quantitative and functional pulsed arterial spin labeling in the human brain at 9.4 t. Magnetic Resonance in Medicine, 75(3), pp. 1054-1063. (doi: 10.1002/mrm.25671) (PMID:25940006)

Mirkes, C., Shajan, G. , Bause, J., Buckenmaier, K., Hoffmann, J. and Scheffler, K. (2016) Triple-quantum-filtered sodium imaging at 9.4 Tesla. Magnetic Resonance in Medicine, 75(3), pp. 1278-1289. (doi: 10.1002/mrm.25688) (PMID:25846242)

Shajan, G. , Mirkes, C., Buckenmaier, K., Hoffmann, J., Pohmann, R. and Scheffler, K. (2016) Three-layered radio frequency coil arrangement for sodium MRI of the human brain at 9.4 Tesla. Magnetic Resonance in Medicine, 75(2), pp. 906-916. (doi: 10.1002/mrm.25666)

Hoffmann, J., Mirkes, C., Shajan, G. , Scheffler, K. and Pohmann, R. (2016) Combination of a multimode antenna and TIAMO for traveling-wave imaging at 9.4 Tesla. Magnetic Resonance in Medicine, 75(1), pp. 452-462. (doi: 10.1002/mrm.25614) (PMID:25732895)

2015

Ehses, P., Bause, J., Shajan, G. and Scheffler, K. (2015) Efficient generation of T2*-weighted contrast by interslice echo-shifting for human functional and anatomical imaging at 9.4 Tesla. Magnetic Resonance in Medicine, 74(6), pp. 1698-1704. (doi: 10.1002/mrm.25570) (PMID:25597997)

Chadzynski, G. L., Pohmann, R., Shajan, G. , Kolb, R., Bisdas, S., Klose, U. and Scheffler, K. (2015) In vivo proton magnetic resonance spectroscopic imaging of the healthy human brain at 9.4 T: initial experience. Magnetic Resonance Materials in Physics, Biology and Medicine, 28(3), pp. 239-249. (doi: 10.1007/s10334-014-0460-5) (PMID:25248946)

Mirkes, C. C., Hoffmann, J., Shajan, G. , Pohmann, R. and Scheffler, K. (2015) High-resolution quantitative sodium imaging at 9.4 tesla. Magnetic Resonance in Medicine, 73(1), pp. 342-351. (doi: 10.1002/mrm.25096) (PMID:24435910)

2014

Hoffmann, J., Shajan, G. , Scheffler, K. and Pohmann, R. (2014) Numerical and experimental evaluation of RF shimming in the human brain at 9.4 T using a dual-row transmit array. Magnetic Resonance Materials in Physics, Biology and Medicine, 27(5), pp. 373-386. (doi: 10.1007/s10334-013-0419-y) (PMID:24276542)

Budde, J., Shajan, G. , Scheffler, K. and Pohmann, R. (2014) Ultra-high resolution imaging of the human brain using acquisition-weighted imaging at 9.4 T. NeuroImage, 86, pp. 592-598. (doi: 10.1016/j.neuroimage.2013.08.013) (PMID:23954486)

Shajan, G. , Kozlov, M., Hoffmann, J., Turner, R., Scheffler, K. and Pohmann, R. (2014) A 16-channel dual-row transmit array in combination with a 31-element receive array for human brain imaging at 9.4 T. Magnetic Resonance in Medicine, 71(2), pp. 870-879. (doi: 10.1002/mrm.24726) (PMID:23483645)

Budde, J., Shajan, G. , Zaitsev, M., Scheffler, K. and Pohmann, R. (2014) Functional MRI in human subjects with gradient-echo and spin-echo EPI at 9.4 T. Magnetic Resonance in Medicine, 71(1), pp. 209-218. (doi: 10.1002/mrm.24656) (PMID:23447097)

2013

Balla, D. Z. et al. (2013) In vivo visualization of single native pancreatic islets in the mouse. Contrast Media and Molecular Imaging, 8(6), pp. 495-504. (doi: 10.1002/cmmi.1580) (PMID:24375905)

Hoffmann, J., Shajan, G. , Budde, J., Scheffler, K. and Pohmann, R. (2013) Human brain imaging at 9.4 T using a tunable patch antenna for transmission. Magnetic Resonance in Medicine, 69(5), pp. 1494-1500. (doi: 10.1002/mrm.24367) (PMID:22706783)

Pohmann, R. et al. (2013) Imaging and spectroscopy at 9.4 Tesla: first results on patients and volunteers. MAGNETOM Flash, 52, pp. 58-67.

Pohmann, R. et al. (2013) Imaging and spectroscopy at 9.4 Tesla: first results on patients and volunteers. MAGNETOM Flash, 52(2), pp. 58-67.

2012

Shajan, G. , Hoffmann, J., Balla, D. Z., Deelchand, D. K., Scheffler, K. and Pohmann, R. (2012) Rat brain MRI at 16.4T using a capacitively tunable patch antenna in combination with a receive array. NMR in Biomedicine, 25(10), pp. 1170-1176. (doi: 10.1002/nbm.2786) (PMID:22344898)

2011

Pohmann, R., Shajan, G. and Balla, D. Z. (2011) Contrast at high field: Relaxation times, magnetization transfer and phase in the rat brain at 16.4 T. Magnetic Resonance in Medicine, 66(6), pp. 1572-1581. (doi: 10.1002/mrm.22949) (PMID:21671265)

Shajan, G. , Hoffmann, J., Budde, J., Adriany, G., Ugurbil, K. and Pohmann, R. (2011) Design and evaluation of an RF front-end for 9.4 T human MRI. Magnetic Resonance in Medicine, 66(2), pp. 594-602. (doi: 10.1002/mrm.22808) (PMID:21381102)

Budde, J., Shajan, G. , Hoffmann, J., Uğurbil, K. and Pohmann, R. (2011) Human imaging at 9.4 T using T2*-, phase-, and susceptibility-weighted contrast. Magnetic Resonance in Medicine, 65(2), pp. 544-550. (doi: 10.1002/mrm.22632) (PMID:20872858)

Hong, S.-T., Balla, D. Z., Shajan, G. , Choi, C., Uğurbil, K. and Pohmann, R. (2011) Enhanced neurochemical profile of the rat brain using in vivo 1H NMR spectroscopy at 16.4 T. Magnetic Resonance in Medicine, 65(1), pp. 28-34. (doi: 10.1002/mrm.22609) (PMID:20928884)

Articles

Gapais, P.‐F., Luong, M., Giacomini, E., Guillot, J., Djaballah, E., Gunamony, S. , Chu, S., Hosseinnezhadian, S. and Amadon, A. (2025) A 32‐channel high‐impedance honeycomb‐shaped receive array for temporal lobes exploration at 11.7T. Magnetic Resonance in Medicine, 93(1), pp. 433-447. (doi: 10.1002/mrm.30274) (PMID:39219305)

Ding, B., Williams, S. N. , Dragonu, I., Liebig, P., Allwood-Spiers, S., McElhinney, P., Gunamony, S. , Fullerton, N. and Porter, D. A. (2024) Slice-specific B1+ shimming improves the repeatability of multi-shot, diffusion-weighted imaging at 7T. Magnetic Resonance in Medicine, 92(6), pp. 2560-2570. (doi: 10.1002/mrm.30208) (PMID:39091132)

Boulant, N., Ma, S., Walker, E., Beckett, A., Vu, A. T., Gunamony, S. and Feinberg, D. A. (2024) Acoustic noise reduction in the NexGen 7 T scanner. Magnetic Resonance in Medicine, 92(5), pp. 2261-2270. (doi: 10.1002/mrm.30211)

Gokyar, S., Zhao, C., Gunamony, S. , Tang, L., West, J., Kokot, N. and Wang, D. J. J. (2024) A 3D surface coil with deep learning‐based noise reduction for parotid gland imaging at 7T. iRadiology, 2(4), pp. 368-376. (doi: 10.1002/ird3.79)

Chu, S., Gras, V., Mauconduit, F., Massire, A., Boulant, N. and Gunamony, S. (2023) Electromagnetic and RF pulse design simulation based optimization of an eight-channel loop array for 11.7T brain imaging. Magnetic Resonance in Medicine, 90(2), pp. 770-783. (doi: 10.1002/mrm.29654) (PMID:36999747)

Herrler, J. et al. (2023) The effects of RF coils and SAR supervision strategies for clinically applicable nonselective parallel-transmit pulses at 7 T. Magnetic Resonance in Medicine, 89(5), pp. 1888-1900. (doi: 10.1002/mrm.29569) (PMID:36622945)

Williams, S. N. , McElhinney, P. and Gunamony, S. (2023) Ultra-high field MRI: parallel-transmit arrays and RF pulse design. Physics in Medicine and Biology, 68(2), 02TR02. (doi: 10.1088/1361-6560/aca4b7)

Williams, S. N. , Allwood-Spiers, S., McElhinney, P. , Paterson, G., Herrler, J., Liebig, P., Nagel, A. M., Foster, J. E., Porter, D. A. and Gunamony, S. (2021) A nested eight-channel transmit array with open-face concept for human brain imaging at 7 tesla. Frontiers in Physics, 9, 701330. (doi: 10.3389/fphy.2021.701330)

Avdievich, N. I., Giapitzakis, I.‐A., Bause, J., Shajan, G. , Scheffler, K. and Henning, A. (2019) 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. (doi: 10.1002/mrm.27602) (PMID:30506725)

Avdievich, N. I., Giapitzakis, I. A., Pfrommer, A., Shajan, G. , Scheffler, K. and Jemmomg, A. (2018) Decoupling of a double‐row 16‐element tight‐fit transceiver phased array for human whole‐brain imaging at 9.4T. NMR in Biomedicine, 31(9), e3964. (doi: 10.1002/nbm.3964) (PMID:29974989)

Chadzynski, G. L., Bause, J., Shajan, G. , Pohmann, R., Scheffler, K. and Ehses, P. (2017) Fast and efficient free induction decay MR spectroscopic imaging of the human brain at 9.4 Tesla. Magnetic Resonance in Medicine, 78(4), pp. 1281-1295. (doi: 10.1002/mrm.26539) (PMID:27900794)

Avdievich, N.I., Hoffmann, J., Shajan, G. , Pfrommer, A., Giapitzakis, I.A., Scheffler, K. and Henning, A. (2017) Evaluation of transmit efficiency and SAR for a tight fit transceiver human head phased array at 9.4 T. NMR in Biomedicine, 30(2), e3680. (doi: 10.1002/nbm.3680) (PMID:28028862)

Hagberg, G.E. et al. (2017) Whole brain MP2RAGE-based mapping of the longitudinal relaxation time at 9.4T. NeuroImage, 144(Part A), pp. 203-216. (doi: 10.1016/j.neuroimage.2016.09.047) (PMID:27663989)

Bisdas, S. et al. (2016) MR spectroscopy for in vivo assessment of the oncometabolite 2-hydroxyglutarate and its effects on cellular metabolism in human brain gliomas at 9.4T. Journal of Magnetic Resonance Imaging, 44(4), pp. 823-833. (doi: 10.1002/jmri.25221) (PMID:26970248)

Hoffmann, J., Henning, A., Giapitzakis, I. A., Scheffler, K., Shajan, G. , Pohmann, R. and Avdievich, N. I. (2016) Safety testing and operational procedures for self-developed radiofrequency coils. NMR in Biomedicine, 29(9), pp. 1131-1144. (doi: 10.1002/nbm.3290) (PMID:25851551)

Mirkes, C., Shajan, G. , Chadzynski, G., Buckenmaier, K., Bender, B. and Scheffler, K. (2016) 31P CSI of the human brain in healthy subjects and tumor patients at 9.4 T with a three-layered multi-nuclear coil: initial results. Magnetic Resonance Materials in Physics, Biology and Medicine, 29(3), pp. 579-589. (doi: 10.1007/s10334-016-0524-9) (PMID:26811174)

Tse, D. H. Y., Wiggins, C. J., Ivanov, D., Brenner, D., Hoffmann, J., Mirkes, C., Shajan, G. , Scheffler, K., Uludağ, K. and Poser, B. A. (2016) Volumetric imaging with homogenised excitation and static field at 9.4 T. Magnetic Resonance Materials in Physics, Biology and Medicine, 29(3), pp. 333-345. (doi: 10.1007/s10334-016-0543-6) (PMID:26995492) (PMCID:PMC4891373)

Wiesner, H. M., Balla, D. Z., Shajan, G. , Scheffler, K., Uğurbil, K., Chen, W., Uludağ, K. and Pohmann, R. (2016) 17O relaxation times in the rat brain at 16.4 tesla. Magnetic Resonance in Medicine, 75(5), pp. 1886-1893. (doi: 10.1002/mrm.25814) (PMID:26098931)

Bause, J., Ehses, P., Mirkes, C., Shajan, G. , Scheffler, K. and Pohmann, R. (2016) Quantitative and functional pulsed arterial spin labeling in the human brain at 9.4 t. Magnetic Resonance in Medicine, 75(3), pp. 1054-1063. (doi: 10.1002/mrm.25671) (PMID:25940006)

Mirkes, C., Shajan, G. , Bause, J., Buckenmaier, K., Hoffmann, J. and Scheffler, K. (2016) Triple-quantum-filtered sodium imaging at 9.4 Tesla. Magnetic Resonance in Medicine, 75(3), pp. 1278-1289. (doi: 10.1002/mrm.25688) (PMID:25846242)

Shajan, G. , Mirkes, C., Buckenmaier, K., Hoffmann, J., Pohmann, R. and Scheffler, K. (2016) Three-layered radio frequency coil arrangement for sodium MRI of the human brain at 9.4 Tesla. Magnetic Resonance in Medicine, 75(2), pp. 906-916. (doi: 10.1002/mrm.25666)

Hoffmann, J., Mirkes, C., Shajan, G. , Scheffler, K. and Pohmann, R. (2016) Combination of a multimode antenna and TIAMO for traveling-wave imaging at 9.4 Tesla. Magnetic Resonance in Medicine, 75(1), pp. 452-462. (doi: 10.1002/mrm.25614) (PMID:25732895)

Ehses, P., Bause, J., Shajan, G. and Scheffler, K. (2015) Efficient generation of T2*-weighted contrast by interslice echo-shifting for human functional and anatomical imaging at 9.4 Tesla. Magnetic Resonance in Medicine, 74(6), pp. 1698-1704. (doi: 10.1002/mrm.25570) (PMID:25597997)

Chadzynski, G. L., Pohmann, R., Shajan, G. , Kolb, R., Bisdas, S., Klose, U. and Scheffler, K. (2015) In vivo proton magnetic resonance spectroscopic imaging of the healthy human brain at 9.4 T: initial experience. Magnetic Resonance Materials in Physics, Biology and Medicine, 28(3), pp. 239-249. (doi: 10.1007/s10334-014-0460-5) (PMID:25248946)

Mirkes, C. C., Hoffmann, J., Shajan, G. , Pohmann, R. and Scheffler, K. (2015) High-resolution quantitative sodium imaging at 9.4 tesla. Magnetic Resonance in Medicine, 73(1), pp. 342-351. (doi: 10.1002/mrm.25096) (PMID:24435910)

Hoffmann, J., Shajan, G. , Scheffler, K. and Pohmann, R. (2014) Numerical and experimental evaluation of RF shimming in the human brain at 9.4 T using a dual-row transmit array. Magnetic Resonance Materials in Physics, Biology and Medicine, 27(5), pp. 373-386. (doi: 10.1007/s10334-013-0419-y) (PMID:24276542)

Budde, J., Shajan, G. , Scheffler, K. and Pohmann, R. (2014) Ultra-high resolution imaging of the human brain using acquisition-weighted imaging at 9.4 T. NeuroImage, 86, pp. 592-598. (doi: 10.1016/j.neuroimage.2013.08.013) (PMID:23954486)

Shajan, G. , Kozlov, M., Hoffmann, J., Turner, R., Scheffler, K. and Pohmann, R. (2014) A 16-channel dual-row transmit array in combination with a 31-element receive array for human brain imaging at 9.4 T. Magnetic Resonance in Medicine, 71(2), pp. 870-879. (doi: 10.1002/mrm.24726) (PMID:23483645)

Budde, J., Shajan, G. , Zaitsev, M., Scheffler, K. and Pohmann, R. (2014) Functional MRI in human subjects with gradient-echo and spin-echo EPI at 9.4 T. Magnetic Resonance in Medicine, 71(1), pp. 209-218. (doi: 10.1002/mrm.24656) (PMID:23447097)

Balla, D. Z. et al. (2013) In vivo visualization of single native pancreatic islets in the mouse. Contrast Media and Molecular Imaging, 8(6), pp. 495-504. (doi: 10.1002/cmmi.1580) (PMID:24375905)

Hoffmann, J., Shajan, G. , Budde, J., Scheffler, K. and Pohmann, R. (2013) Human brain imaging at 9.4 T using a tunable patch antenna for transmission. Magnetic Resonance in Medicine, 69(5), pp. 1494-1500. (doi: 10.1002/mrm.24367) (PMID:22706783)

Pohmann, R. et al. (2013) Imaging and spectroscopy at 9.4 Tesla: first results on patients and volunteers. MAGNETOM Flash, 52, pp. 58-67.

Pohmann, R. et al. (2013) Imaging and spectroscopy at 9.4 Tesla: first results on patients and volunteers. MAGNETOM Flash, 52(2), pp. 58-67.

Shajan, G. , Hoffmann, J., Balla, D. Z., Deelchand, D. K., Scheffler, K. and Pohmann, R. (2012) Rat brain MRI at 16.4T using a capacitively tunable patch antenna in combination with a receive array. NMR in Biomedicine, 25(10), pp. 1170-1176. (doi: 10.1002/nbm.2786) (PMID:22344898)

Pohmann, R., Shajan, G. and Balla, D. Z. (2011) Contrast at high field: Relaxation times, magnetization transfer and phase in the rat brain at 16.4 T. Magnetic Resonance in Medicine, 66(6), pp. 1572-1581. (doi: 10.1002/mrm.22949) (PMID:21671265)

Shajan, G. , Hoffmann, J., Budde, J., Adriany, G., Ugurbil, K. and Pohmann, R. (2011) Design and evaluation of an RF front-end for 9.4 T human MRI. Magnetic Resonance in Medicine, 66(2), pp. 594-602. (doi: 10.1002/mrm.22808) (PMID:21381102)

Budde, J., Shajan, G. , Hoffmann, J., Uğurbil, K. and Pohmann, R. (2011) Human imaging at 9.4 T using T2*-, phase-, and susceptibility-weighted contrast. Magnetic Resonance in Medicine, 65(2), pp. 544-550. (doi: 10.1002/mrm.22632) (PMID:20872858)

Hong, S.-T., Balla, D. Z., Shajan, G. , Choi, C., Uğurbil, K. and Pohmann, R. (2011) Enhanced neurochemical profile of the rat brain using in vivo 1H NMR spectroscopy at 16.4 T. Magnetic Resonance in Medicine, 65(1), pp. 28-34. (doi: 10.1002/mrm.22609) (PMID:20928884)

Conference or Workshop Item

Winata, S. , Hoinkiss, D. C., Keith, G. , Williams, S. , Ding, B., Al-Wasity, S., Gunamony, S. and Porter, D. (2024) Real-time multislice-to-volume motion correction with single and parallel transmission for task-based functional MRI at 7T. 2024 International Society for Magnetic Resonance in Medicine (ISMRM) Workshop on Motion Correction in MR, Québec City, QC, Canada, 03-06 Sep 2024.

Baskaran, D., McElhinney, P. , Williams, S. , Allwood-Spiers, S., Ding, B., Fullerton, N., Porter, D. and Gunamony, S. (2024) An 8-channel Transceiver and 56-channel Receive Array for Combined Brain and C-spine Imaging at 7 Tesla. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Ding, B., Yan, J., Woodward, R., Allwood-Spiers, S., Williams, S. , Keith, G. , McElhinney, P. , Fullerton, N., Porter, D. and Gunamony, S. (2024) Combining Transceiver Loops with a Conventional Receive Array Increases Central SNR in Brain Imaging at 7T. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Ghosalkar, J. et al. (2024) Initial Experience in pCASL Using a Novel Neurovascular Coil at 7T. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Keith, G. , Williams, S. , Ding, B., Trinder, J. , Seginer, A., Schmidt, R., Gunamony, S. , Fullerton, N. and Porter, D. (2024) B1+ Shimming in 1H RS-COKE Spectroscopic Imaging in the Human Brain at 7T. 2024 ISMRM & ISMRT Annual Meeting and Exhibition (ISMRM 2024), Singapore, 4-9 May 2024. (Accepted for Publication)

Winata, S. , Hoinkiss, D.C., Keith, G.A. , Williams, S.N. , Ding, B.Y., Al-Wasity, S., Gunamony, S. and Porter, D.A. (2023) Parallel Transmit Imaging with Real-time Multislice-to-volume Motion Correction for Task-based Functional MRI at 7T. 39th Annual Scientific Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB 2023), Basel, Switzerland, 4-7 October 2023. pp. 214-15.

Baskaran, D., McElhinney, P. , Williams, S. , Allwood-Spiers, S., Porter, D. and Gunamony, S. (2023) Eight-channel Transceiver Array for Combined Head and Neck Imaging at 7 Tesla. 2023 ISMRM and ISMRT Annual Meeting and Exhibition, Toronto, Canada, 3-8 June 2023.

Williams, S. , McElhinney, P. , Ding, B., Allwood-Spiers, S., Porter, D., Gunamony, S. and Brink, W. (2023) Experimental Assessment of the Effects of Subject Motion on Local SAR and pTx Pulse Performance at 7T. 2023 ISMRM and ISMRT Annual Meeting and Exhibition, Toronto, Canada, 3-8 June 2023.

Baskaran, D., McElhinney, P. , Williams, S. , Allwood-Spiers, S., Porter, D. and Gunamony, S. (2023) Eight-channel Transceiver and Fifty-six Channel Receiver Array for Combined Head-and-neck Imaging at 7 Tesla. SINAPSE Annual Scientific Meeting 2023, Glasgow, UK, 14 June 2023.

Gunamony, S. , Müller, R., McElhinney, P. , Williams, S. , Groß-Weege, N., Weiskopf, N., Möller, H. E. and Feinberg, D. (2021) A 16-Channel Transmit 96-Channel Receive Head Coil for NexGen 7T Scanner. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

Herrler, J., Williams, S. , Liebig, P., Gunamony, S. , Meixner, C., Maier, A., Dörfler, A., Porter, D. and Nagel, A. M. (2021) Evaluating Universal and Fast Online Customized Pulses for Parallel Transmission Using Two Different RF Coils. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

McElhinney, P. , Paterson, G., Philiastides, M. and Gunamony, S. (2021) Numerical Modelling of a Close-fitting 8-channel Transceiver Head Coil and EEG Electrodes for Safety Validation at 7T. ISMRM 2021 Annual Meeting, 15-20 May 2021. (Accepted for Publication)

Williams, S. N. , Allwood-Spiers, S., McElhinney, P. , Tao, Y., Foster, J. E., Gunamony, S. and Porter, D. A. (2021) Validation of SAR Management Procedure for Dynamic pTx RF Waveforms Using a Self- Built Coil at 7 Tesla. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

Williams, S. N. , Herrler, J., Liebig, P., McElhinney, P. , Gunamony, S. , Nagel, A. M. and Porter, D. A. (2021) SAR Management in pTx Sequence Design: The Impact of Electromagnetic-Field-Derived Virtual Observation Points. ISMRM & SMRT Annual Meeting & Exhibition, 15-20 May 2021. (Accepted for Publication)

Williams, S. N. , Herrler, J., Liebig, P., McElhinney, P. , Allwood-Spiers, S., Foster, J. E., Gunamony, S. , Nagel, A. M. and Porter, D. A. (2021) Comparing Specific Absorption Rate (Tissue Heating) Management Methods for Parallel Transmit MRI at 7 Tesla. 13th Scottish Imaging Network: A Platform for Scientific Excellence Annual Scientific Meeting (SINAPSE), Virtual, 16-17 September 2021.

Williams, S. N. , McElhinney, P. , Porter, D. and Gunamony, S. (2020) Comparing the Practical Effects of VOP Compressions for SAR Monitoring at 7 T. Minnesota Workshop on High and Ultra-high Field Imaging 2019, Minneapolis, MN, USA, 12-16 November 2019. (Unpublished)

Williams, S. , Allwood-Spiers, S., McElhinney, P. , Tao, Y., Foster, J. E., Porter, D. A. and Gunamony, S. (2020) Validation and Safety Approval of a Dual-Mode Head Coil for pTx Applications In Vivo at 7 Tesla. ISMRM & SMRT Virtual Conference & Exhibition, 8-14 August 2020.

Williams, S. N. , Allwood-Spiers, S., McElhinney, P. , Tao, Y., Foster, J., Porter, D. and Gunamony, S. (2020) First In Vivo Images from an InHouse Parallel Transmit (pTx) Coil for MRI at 7 Tesla. 12th Annual SINAPSE Meeting, 19th June 2020.

McElhinney, P. , Allwood-Spiers, S. and Gunamony, S. (2019) Computational Simulation of an 8Tx32Rx Open-face Head Coil for 7 Tesla. BC-ISMRM, Sheffield, UK, 16-18 Sep 2019.

Gunamony, S. , McElhinney, P. , Allwood-Spiers, S., Paterson, G. and Goense, J. (2019) An 8-Channel Transmit 32-Channel Receive 7T Head Coil for 1Tx and pTx Scanner Modes. ISMRM 27th Annual Meeting & Exhibition, Montreal, Quebec, Canada, 11-16 May 2019.

Conference Proceedings

Adriany, G. et al. (2019) Evaluation of a 16-Channel Transmitter for Head Imaging at 10.5T. In: 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, 09-13 Sep 2019, pp. 1171-1174. ISBN 9781728105635 (doi: 10.1109/ICEAA.2019.8879131)

Kozlov, M., Bode, J., Bazin, P.-L., Weiskopf, N., Moller, H.E. and Gunamony, S. (2017) Comparison of 7T 16-channel Dual-row Transmit Arrays. In: International Conference on Electromagnetics in Advanced Applications (ICEAA 2017), Verona, Italy, 11-15 Sep 2017, pp. 1264-1267. ISBN 9781509044511 (doi: 10.1109/ICEAA.2017.8065502)

Patents

Max-Planck-Gesellschaft zur Forderung der Wissenschaften (2019) Transmit/receive switch, a transmit coil array and a receive coil array for MRI. .