Zobrazeno 1 - 10 of 45 pro vyhledávání: '"Raaijmakers, Aje"'
1
Validating subject-specific RF and thermal simulations in the calf muscle using MR-based temperature measurements
Autor: Simonis, Ffj, Raaijmakers, Aje, Lagendijk, Jjw, van den Berg, Cat
Publikováno v: Magnetic Resonance in Medicine, 77(4), 1691. John Wiley and Sons Inc.
Purpose: Ongoing discussions occur to translate the safety restrictions on MR scanners from specific absorption rate (SAR) to thermal dose. Therefore, this research focuses on the accuracy of thermal simulations in human subjects during an MR exam, w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8a0572bfebd4f4427d7397025f1a802f
https://dspace.library.uu.nl/handle/1874/349435
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2
Local specific absorption rate in brain tumors at 7 tesla
Autor: Restivo, Matthew C, van den Berg, CAT, van Lier, Astrid L H M W, Polders, Daniël L, Raaijmakers, AJE, Luijten, Peter R, Hoogduin, Hans
Publikováno v: Magnetic Resonance in Medicine, 75(1), 381. John Wiley and Sons Inc.
PURPOSE: MR safety at 7 Tesla relies on accurate numerical simulations of transmit electromagnetic fields to fully assess local specific absorption rate (SAR) safety. Numerical simulations for SAR safety are currently performed using models of health
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::eaa074cdbfdc48a602f675e5fc419dd5
https://dspace.library.uu.nl/handle/1874/333124
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3
Radiofrequency configuration to facilitate bilateral breast 31P MR spectroscopic imaging and high-resolution MRI at 7 Tesla
Autor: van der Velden, Tijl A., Italiaander, Michel, van der Kemp, Wybe J M, Raaijmakers, AJE, Schmitz, A. M Th, Luijten, Peter R., Boer, VO, Klomp, DWJ
Publikováno v: Magnetic Resonance in Medicine, 1803. John Wiley and Sons Inc.
STARTPAGE=1803;ISSN=0740-3194;TITLE=Magnetic Resonance in Medicine
PURPOSE: High-resolution MRI combined with phospholipid detection may improve breast cancer grading. Currently, configurations are optimized for either high-resolution imaging or 31 P spectroscopy. To be able to perform both imaging as well as spectr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::80efd41855f0cef9e686a7004dbbda04
https://dspace.library.uu.nl/handle/1874/350281
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4
19F MRSI of capecitabine in the liver at 7T using broadband transmit-receive antennas and dual-band RF pulses
Autor: van Gorp, Sjoerd, Seevinck, Peter R., Andreychenko, Anna, Raaijmakers, AJE, Luijten, Peter R., Viergever, Max A., Koopman, Miriam, Boer, Vincent O., Klomp, Dennis W J
Publikováno v: NMR in Biomedicine, 28(11), 1433. John Wiley and Sons Ltd
Capecitabine (Cap) is an often prescribed chemotherapeutic agent, successfully used to cure some patients from cancer or reduce tumor burden for palliative care. However, the efficacy of the drug is limited, it is not known in advance who will respon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::522ce72c09a53f9d547710a3ca3eb23c
https://dspace.library.uu.nl/handle/1874/332069
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5
Akademický článek
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6
Akademický článek
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7
MRI safety of implants: transfer function determination from MR images
Autor: Tokaya, Janot Philippe
MRI is often considered to be a risk for patients with medical implants, like pacemakers and deep brain stimulators. The heating around the electrodes of these type of implants that are in contact with human tissue to deliver therapeutic doses is one
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::405cf6ebcaae9b0d5ffb1dc328902f16
https://dspace.library.uu.nl/handle/1874/388833
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8
Design, safety and applications of radio-frequency antennas for ultra-high field MRI of the body
Autor: Steensma, Bart Romke
Researchers in the field of MRI (Magnetic resonance imaging) are pushing towards the use of stronger and stronger magnets in MRI scanners. These extremely strong magnets are used because the signal-to-noise ratio in MRI scans increases with increasin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b847cdf81e93b24871ff5441a9defde5
https://dspace.library.uu.nl/handle/1874/389430
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9
Assessment and Monitoring of RF Safety for Ultra-High Field MRI
Autor: Restivo, MC
The radio frequency (RF) energy deposited in a human subject undergoing a 7T MRI scan has the potential to cause localized tissue heating. The use of parallel transmit MRI at 7T increases the risk of localized heating due interference effects among t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::7d01bdc902289b3a11b709dd9502b769
https://dspace.library.uu.nl/handle/1874/344992
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10
Akademický článek
The coax monopole antenna: A flexible end-fed antenna for ultrahigh field transmit/receive arrays.
Autor: Budé LMI; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.; Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands., Steensma BR; Division of Imaging and Oncology, UMC Utrecht, Utrecht, The Netherlands., Zivkovic I; Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands., Raaijmakers AJE; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.; Division of Imaging and Oncology, UMC Utrecht, Utrecht, The Netherlands.
Publikováno v: Magnetic resonance in medicine [Magn Reson Med] 2024 Jul; Vol. 92 (1), pp. 361-373. Date of Electronic Publication: 2024 Feb 20.
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