Results 181 to 190 of about 25,641 (336)

Improved Myocardial Sodium Quantification at 7 T Using Interleaved 23Na/1H pTx MRI With Motion and Anatomy‐Based B1 Correction

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To improve accuracy and repeatability of myocardial 23Na quantification in cardiac MRI at 7 T by combining retrospective respiratory and cardiac motion correction with a novel anatomy‐based B1 bias field correction. Methods In this study, a dual‐nuclear interleaved 23Na/1H MRI sequence at 7 T was applied.
Laurent Ruck   +10 more
wiley   +1 more source

Framework for Approaching Patients with Suboptimal Deep Brain Stimulation Therapy Response despite Stimulation Optimization

open access: yes
Movement Disorders Clinical Practice, EarlyView.
Pratik Talati   +2 more
wiley   +1 more source

Acceleration of Phase‐Modulated Ultrashort Echo Time Sequence for Fast T2 and Adiabatic T1ρ Mapping of the Knee Joints

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop and validate an accelerated phase‐modulated ultrashort echo time (PM‐UTE) sequence for volumetric T2 and adiabatic T1ρ (AdiabT1ρ) mapping of both short‐ and long‐T2 tissues in the knee joint. Methods The proposed method estimates and removes the T1‐dependent component from a single reference acquisition, eliminating repeated
Jiyo S. Athertya   +7 more
wiley   +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

Quantitative Imaging of Pyruvate Metabolism in a Patient With Anaplastic Thyroid Cancer

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Magnetic resonance imaging using hyperpolarized (HP) [1‐13C]‐pyruvate enables assessment of pyruvate metabolism in vivo and offers new insight into metabolic changes in response to cancer therapy. Widely used semi‐quantitative metrics of pyruvate metabolism can be affected by physiological factors that are extrinsic to intracellular ...
James A. Bankson   +18 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

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