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   Articles with "velocity selective" as a keyword



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Whole‐brain arteriography and venography: Using improved velocity‐selective saturation pulse trains

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recommendations! Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26864

Abstract: To develop velocity‐selective (VS) MR angiography (MRA) protocols for arteriography and venography with whole‐brain coverage. read more here.

Keywords: velocity selective; brain arteriography; arteriography venography; whole brain ... See more keywords

Improved sensitivity and temporal resolution in perfusion FMRI using velocity selective inversion ASL

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recommendations! Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27461

Abstract: This work aims to investigate the utility of velocity selective inversion pulses for perfusion weighted functional MRI. read more here.

Keywords: velocity selective; selective inversion; improved sensitivity; perfusion ... See more keywords

Evaluating cerebrovascular reactivity measured by velocity selective inversion arterial spin labeling with different post‐labeling delays: The effect of fast flow

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recommendations! Published in 2024 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.30166

Abstract: Velocity selective arterial spin labeling (VSASL) quantification assumes that the labeled bolus continuously moves into the imaging voxel during the post‐labeling delay (PLD). Faster blood flow could lead to a bolus duration shorter than the… read more here.

Keywords: spin labeling; velocity selective; arterial spin; post labeling ... See more keywords

A generalized signal model for dual‐module velocity‐selective arterial spin labeling

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recommendations! Published in 2024 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.30248

Abstract: To develop a generalized signal model for dual‐module velocity‐selective arterial spin labeling (dm‐VSASL) that can integrate arbitrary saturation and inversion profiles. read more here.

Keywords: velocity selective; module velocity; dual module; model dual ... See more keywords

MVP‐VSASL: measuring MicroVascular Pulsatility using velocity‐selective arterial spin labeling

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recommendations! Published in 2024 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.30370

Abstract: By leveraging the small‐vessel specificity of velocity‐selective arterial spin labeling (VSASL), we present a novel technique for measuring cerebral MicroVascular Pulsatility named MVP‐VSASL. read more here.

Keywords: velocity selective; arterial spin; selective arterial; mvp vsasl ... See more keywords

Velocity‐selective excitation: Principles and applications

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recommendations! Published in 2022 at "NMR in Biomedicine"

DOI: 10.1002/nbm.4820

Abstract: Velocity‐selective (VS) excitation is a relatively new type of excitation that can be useful for generating image contrast based on spin's motion. This review aims to explain the principles of VS excitation and their utilization… read more here.

Keywords: velocity selective; excitation; selective excitation; velocity ... See more keywords

Spatially and velocity selective magnetization preparation for non-contrast-enhanced peripheral MR angiography.

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recommendations! Published in 2023 at "NMR in biomedicine"

DOI: 10.1002/nbm.4901

Abstract: PURPOSE To develop spatially and velocity selective (SVS) magnetization preparation pulses for non-contrast-enhanced peripheral MR angiography (MRA) with comparisons to velocity-selective (VS) MRA. METHODS VS preparation pulses were designed by concatenating multiple excitation steps, each… read more here.

Keywords: velocity selective; magnetization; contrast; preparation ... See more keywords

Velocity selective multiple two-photon dark and bright resonances in Potassium vapor

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recommendations! Published in 2024 at "Physica Scripta"

DOI: 10.1088/1402-4896/ad5b2c

Abstract: We report the observation of two additional sub-natural line width quantum interferences in the D 2 manifold of 39 K vapor, in addition to the usual single Electromagnetically Induced Transparency (EIT) peak. In a typical… read more here.

Keywords: velocity selective; photon; bright resonances; velocity ... See more keywords