Articles with "field cycling" as a keyword



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Joint multi‐field T1 quantification for fast field‐cycling MRI

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Published in 2021 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.28857

Abstract: Recent developments in hardware design enable the use of fast field‐cycling (FFC) techniques in MRI to exploit the different relaxation rates at very low field strength, achieving novel contrast. The method opens new avenues for… read more here.

Keywords: fast field; field quantification; field; joint multi ... See more keywords
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An improved homogeneity design method for fast field‐cycling coils in molecular MRI

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Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29178

Abstract: Delta relaxation‐enhanced MR (dreMR) is a field‐cycling quantitative method for molecular imaging. The dreMR method uses a B0 insert coil to shift the magnitude of the main magnetic field as a magnetization preparation phase of… read more here.

Keywords: improved homogeneity; field; method; design method ... See more keywords
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Dynamical regimes of lipids in additivated liposomes with enhanced elasticity: A field-cycling NMR relaxometry approach.

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Published in 2017 at "Biophysical chemistry"

DOI: 10.1016/j.bpc.2017.06.007

Abstract: We study the molecular dynamics of lipids in binary large unilamellar liposomes suspended in D2O composed of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) or soy phosphatidylcholine (SPC) additivated with different percentiles of sodium deoxycholate (SDC). We use the fast… read more here.

Keywords: field cycling; nmr relaxometry; enhanced elasticity;
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A fast field-cycling MRI relaxometer for physical contrasts design and pre-clinical studies in small animals.

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Published in 2019 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2019.106682

Abstract: We present a fast field-cycling NMR relaxometer with added magnetic resonance imaging capabilities. The instrument operates at a maximum proton Larmor frequency of 5 MHz for a sample volume of 35 mL. The magnetic field homogeneity across… read more here.

Keywords: clinical studies; field; studies small; pre clinical ... See more keywords
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Heuristic Algorithm for the Analysis of Fast Field Cycling (FFC) NMR Dispersion Curves.

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Published in 2021 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c01264

Abstract: Evaluation of nuclear magnetic relaxation dispersion (NMRD) curves obtained by the fast field cycling nuclear magnetic resonance (FFC-NMR) relaxometry technique is a valuable tool for analyzing the microscopic dynamics of condensed matter systems. However, quantitative… read more here.

Keywords: ffc nmr; analysis; dispersion; fast field ... See more keywords
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Applying Fast-Field Cycling Nuclear Magnetic Relaxation to Petroleum Tight Sandstone Rocks

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Published in 2019 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.8b04023

Abstract: The fast-field cycling nuclear magnetic relaxation technique (NMRD) offers opportunities on multiple scales of both time and distance for characterizing the molecular dynamics and transport properties of complex liquids in bulk or in confined environments.… read more here.

Keywords: nuclear magnetic; fast field; magnetic relaxation; field cycling ... See more keywords
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Probing Dynamics and Wettability of Water and Oil in Conventional and Unconventional Sandstone Rock Cores by Field-Cycling NMR Relaxometry

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Published in 2019 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.9b02199

Abstract: Fast-field-cycling (FFC) NMR is a technique that can probe the longitudinal nuclear magnetic relaxation dispersion (NMRD) profiles by varying the magnetic field to a large extent. This allows probing the molecular dynamics of complex fluids… read more here.

Keywords: dynamics wettability; field; conventional unconventional; field cycling ... See more keywords
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Insights into Functionality-Specific Adsorption Dynamics and Stable Reaction Intermediates Using Fast Field Cycling NMR

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.8b04531

Abstract: Fast field cycling, FFC, NMR relaxometry experiments are reported in the frequency range of 10 kHz to 40 MHz to characterize the molecular dynamics of a series of protic (methanol and water) and ap... read more here.

Keywords: specific adsorption; insights functionality; fast field; functionality specific ... See more keywords
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Evolution of the Interfacial Layer and Its Impact on Electric-Field-Cycling Behaviors in Ferroelectric Hf1-xZrxO2.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c22426

Abstract: Doped HfO2 thin films, which exhibit robust ferroelectricity even with aggressive thickness scaling, could potentially enable ultralow-power logic and memory devices. The ferroelectric properties of such materials are strongly intertwined with the voltage-cycling-induced electrical and… read more here.

Keywords: layer; interfacial layer; field cycling; ferroelectric hf1 ... See more keywords
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A whole-body Fast Field-Cycling scanner for clinical molecular imaging studies

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Published in 2019 at "Scientific Reports"

DOI: 10.1038/s41598-019-46648-0

Abstract: Fast Field-Cycling (FFC) is a well-established Nuclear Magnetic Resonance (NMR) technique that exploits varying magnetic fields to quantify molecular motion over a wide range of time scales, providing rich structural information from nanometres to micrometres,… read more here.

Keywords: field; fast field; whole body; field cycling ... See more keywords
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Comparison of the evolution of internal bias field of doped hafnia ferroelectric capacitors for the field-cycling reliability

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Published in 2021 at "Applied Physics Letters"

DOI: 10.1063/5.0026136

Abstract: The discovery of ferroelectricity in HfO2 thin films extends the range of research on next-generation electronic devices. However, for commercial applications, reliable ferroelectric switching characteristics under electric field cycling of HfO2 thin films must be… read more here.

Keywords: thin films; field; field doped; reliability ... See more keywords