Articles with "spin labeling" as a keyword



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Protein Spin Labeling with a Photocaged Nitroxide Using Diels–Alder Chemistry†

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Published in 2019 at "Chembiochem"

DOI: 10.1002/cbic.201900318

Abstract: EPR spectroscopy of diamagnetic bio‐macromolecules is based on site‐directed spin labeling (SDSL). Herein, a novel labeling strategy for proteins is presented. A nitroxide‐based spin label has been developed and synthesized that can be ligated to… read more here.

Keywords: photocaged nitroxide; diels alder; chemistry; labeling photocaged ... See more keywords
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Intravoxel Incoherent Motion and Arterial Spin Labeling MRI Analysis of Reversible Unilateral Ureteral Obstruction in Rats

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Published in 2019 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.26536

Abstract: Renal fibrosis is a common consequence of chronic kidney disease (CKD) and is the mechanism by which various forms of CKD progress to endstage renal failure. Accurate assessment of renal fibrosis is important for treatment. read more here.

Keywords: labeling mri; arterial spin; intravoxel incoherent; spin labeling ... See more keywords
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Arterial Spin Labeling‐Based MRI Estimation of Penumbral Tissue in Acute Ischemic Stroke

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Published in 2022 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.28364

Abstract: Arterial spin labeling (ASL) has shown potential for the assessment of penumbral tissue in patients with acute ischemic stroke (AIS). The postlabeling delay (PLD) parameter is sensitive to arterial transit delays and influences cerebral blood… read more here.

Keywords: penumbral tissue; spin labeling; acute ischemic; ischemic stroke ... See more keywords
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Measuring the labeling efficiency of pseudocontinuous arterial spin labeling

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Published in 2017 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26266

Abstract: Optimization and validation of a sequence for measuring the labeling efficiency of pseudocontinuous arterial spin labeling (pCASL) perfusion MRI. read more here.

Keywords: measuring labeling; efficiency pseudocontinuous; arterial spin; pseudocontinuous arterial ... See more keywords
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Acceleration‐selective arterial spin labeling for intracranial MR angiography with improved visualization of cortical arteries and suppression of cortical veins

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Published in 2017 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26275

Abstract: A new approach for intracranial MR angiography (MRA) is introduced, using acceleration‐selective arterial spin labeling (AccASL). The aim of this study was to investigate the arterial visualization and venous suppression using AccASL. read more here.

Keywords: arterial spin; selective arterial; acceleration selective; spin labeling ... See more keywords
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Multiple boli arterial spin labeling for high signal‐to‐noise rodent brain perfusion imaging

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Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26706

Abstract: A systematic method is proposed for optimizing a promising preclinical arterial spin labeling (ASL) sequence based on the use of a train of adiabatic radiofrequency pulses labeling successive boli of blood water. read more here.

Keywords: labeling high; arterial spin; boli arterial; spin labeling ... See more keywords
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Perfusion of the placenta assessed using arterial spin labeling and ferumoxytol dynamic contrast enhanced magnetic resonance imaging in the rhesus macaque

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27548

Abstract: To investigate the correspondence between arterial spin labeling (ASL) flow‐sensitive alternating inversion recovery (FAIR) and ferumoxytol DCE MRI for the assessment of placental intervillous perfusion. read more here.

Keywords: arterial spin; spin labeling; magnetic resonance; perfusion ... See more keywords
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Using variable‐rate selective excitation (VERSE) radiofrequency pulses to reduce power deposition in pulsed arterial spin labeling sequence at 7 Tesla

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27944

Abstract: Arterial spin labeling (ASL) is an established noninvasive MRI technique used for cerebral blood flow measurement, which generally suffers from a low signal‐to‐noise ratio (SNR). The use of ultra‐high fields to enhance sensitivity inevitably results… read more here.

Keywords: arterial spin; spin labeling; rate; selective excitation ... See more keywords
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7T bone perfusion imaging of the knee using arterial spin labeling MRI

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.28142

Abstract: To evaluate the feasibility of arterial spin labeling (ASL) imaging of epiphyseal bone marrow in the distal femoral condyle of the knee at 7T MRI. read more here.

Keywords: arterial spin; bone perfusion; spin labeling; knee ... See more keywords
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Optimization of adiabatic pulses for pulsed arterial spin labeling at 7 tesla: Comparison with pseudo‐continuous arterial spin labeling

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Published in 2021 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.28661

Abstract: To optimize and evaluate adiabatic pulses for pulsed arterial spin labeling at ultrahigh field 7 tesla. read more here.

Keywords: adiabatic pulses; arterial spin; spin labeling; pulses pulsed ... See more keywords
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VESPA ASL: VElocity and SPAtially Selective Arterial Spin Labeling

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Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29159

Abstract: Spatially selective arterial spin labeling (ASL) perfusion MRI is sensitive to arterial transit times (ATT) that can result in inaccurate perfusion quantification when ATTs are long. Velocity‐selective ASL is robust to this effect because blood… read more here.

Keywords: spatially selective; vespa asl; velocity; spin labeling ... See more keywords