Results 161 to 170 of about 2,760 (289)

OpenMRF: A Modular, Vendor‐Neutral Open‐Source Framework for Magnetic Resonance Fingerprinting Using Pulseq

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Widespread adoption and methodological advancement of magnetic resonance fingerprinting (MRF) are limited by the lack of unified, reproducible implementation frameworks and fragmented open‐source tools. To address these barriers, we introduce OpenMRF—a comprehensive Pulseq‐based solution—designed to enable standardized and transferable
Tom Griesler   +17 more
wiley   +1 more source

Respiratory‐Resolved Isotropic 3D T1 Mapping of the Carotid Vessel Wall With B1+ Correction (CARISMAT1C)

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop, optimize, and characterize a respiratory motion‐resolved free‐running isotropic 3D carotid vessel wall T1 mapping technique named CARISMAT1C. Methods An inversion‐recovery gradient‐echo free‐running pulse sequence with interleaved double flip‐angle (2FA) was implemented, and an extended‐phase‐graph dictionary was used to ...
Isabel Montón Quesada   +7 more
wiley   +1 more source

A Rapid T1‐Independent Sequence for Cerebrospinal Fluid Water Standard Correction: Application to Improved Proton Density Mapping in Brain

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To improve brain water content measures relative to cerebrospinal fluid (CSF) by including a rapid T1‐independent sequence to correct for CSF T1 errors. Methods Proton density (PD) was estimated from a 3D multiple echo gradient echo sequence by extrapolating to TE = 0 and then correcting for T1 losses using a T1 map from 3D MP2RAGE. To
Kiarash Jalali   +3 more
wiley   +1 more source

Nanophotonic Bragg grating assisted Mach-Zehnder interferometers for O-band add-drop filters. [PDF]

open access: yesSci Rep
Fernández-Hinestrosa A   +7 more
europepmc   +1 more source

Ultrahigh dynamic range and low noise figure programmable integrated microwave photonic filter. [PDF]

open access: yesNat Commun, 2022
Daulay O   +11 more
europepmc   +1 more source

Enhanced 3D Filter‐Exchange Imaging Using Multi‐Slab Acquisition

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Starting from the implementation of a single‐slice FEXI sequence, a 3D method was developed to accelerate a FEXI experiment and acquire a multi‐slice volume. Methods 3D multi‐slab FEXI divides the volume of interest into different slabs.
Jacopo Frignani   +3 more
wiley   +1 more source

Whole‐Brain Cerebral Microvascular Pulsatility Imaging Using Dynamic pCASL MRI With Segmented Stack‐of‐Stars Golden‐Angle Radial Acquisition

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop an efficient dynamic pseudo‐continuous arterial spin labeling (pCASL) MRI technique for whole‐brain microvascular flow pulsatility imaging. Methods The proposed technique combines pCASL with a segmented stack‐of‐stars golden‐angle radial acquisition.
Tianrui Zhao   +5 more
wiley   +1 more source

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