Fast and quiet MRI using a swept radiofrequency
A novel fast and quiet method of magnetic resonance imaging (MRI) is introduced which
creates new opportunities for imaging in medicine and materials science. The method is …
creates new opportunities for imaging in medicine and materials science. The method is …
Magnitude least squares optimization for parallel radio frequency excitation design demonstrated at 7 Tesla with eight channels
K Setsompop, LL Wald, V Alagappan… - … in Medicine: An …, 2008 - Wiley Online Library
Spatially tailored radio frequency (RF) excitations accelerated with parallel transmit systems
provide the opportunity to create shaped volume excitations or mitigate inhomogeneous B1 …
provide the opportunity to create shaped volume excitations or mitigate inhomogeneous B1 …
RASER: a new ultrafast magnetic resonance imaging method
A new MRI method is described to acquire a T2‐weighted image from a single slice in a
single shot. The technique is based on rapid acquisition by sequential excitation and …
single shot. The technique is based on rapid acquisition by sequential excitation and …
Partial Fourier transform reconstruction for single‐shot MRI with linear frequency‐swept excitation
A novel image encoding approach based on linear frequency‐swept excitation has been
recently proposed to overcome artifacts induced by various field perturbations in single‐shot …
recently proposed to overcome artifacts induced by various field perturbations in single‐shot …
A new sequence for single‐shot diffusion‐weighted NMR spectroscopy by the trace of the diffusion tensor
J Valette, C Giraudeau, C Marchadour… - Magnetic resonance …, 2012 - Wiley Online Library
Diffusion‐weighted spectroscopy is a unique tool for exploring the intracellular
microenvironment in vivo. In living systems, diffusion may be anisotropic, when biological …
microenvironment in vivo. In living systems, diffusion may be anisotropic, when biological …
Rapid in vivo apparent diffusion coefficient mapping of hyperpolarized 13C metabolites
BL Koelsch, GD Reed, KR Keshari… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose Hyperpolarized 13C magnetic resonance allows for the study of real‐time
metabolism in vivo, including significant hyperpolarized 13C lactate production in many …
metabolism in vivo, including significant hyperpolarized 13C lactate production in many …
Spin‐echo MRI using π/2 and π hyperbolic secant pulses
Frequency‐modulated (FM) pulses have practical advantages for spin‐echo experiments,
such as the ability to produce a broadband π rotation, with an inhomogeneous …
such as the ability to produce a broadband π rotation, with an inhomogeneous …
SELOVS: Brain MRSI localization based on highly selective T1‐ and B1‐insensitive outer‐volume suppression at 3T
In vivo, high‐field MR spectroscopic imaging (MRSI) profits from signal‐to‐noise ratio (SNR)
gain and increased spectral resolution. However, bandwidth limitations of slice‐selective …
gain and increased spectral resolution. However, bandwidth limitations of slice‐selective …
Design of broadband RF pulses with polynomial-phase response
RF Schulte, A Henning, J Tsao, P Boesiger… - Journal of Magnetic …, 2007 - Elsevier
The achievable bandwidth of common linear-phase RF pulses is limited by the maximum
feasible B1 amplitude of the MR system. It has been shown previously, that this limitation …
feasible B1 amplitude of the MR system. It has been shown previously, that this limitation …
Localization by nonlinear phase preparation and k‐space trajectory design
WRT Witschey, CA Cocosco… - Magnetic resonance …, 2012 - Wiley Online Library
A technique is described to localize MR signals from a target volume using nonlinear pulsed
magnetic fields and spatial encoding trajectories designed using local k‐space theory. The …
magnetic fields and spatial encoding trajectories designed using local k‐space theory. The …