Articles with "time flight" as a keyword



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Characterization of time of flight and resolution modeling on image quality in positron emission tomography

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13751

Abstract: Abstract Time‐of‐flight (TOF) and resolution modeling (RM) algorithms are frequently used in clinical PET images, and inclusion of these corrections should measurably improve image quality. We quantified the effects of these correction algorithms on reconstructed… read more here.

Keywords: image quality; resolution modeling; image; time flight ... See more keywords
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Rapid and comprehensive evaluation of microalgal fatty acids via untargeted gas chromatography and time‐of‐flight mass spectrometry

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Published in 2019 at "Engineering in Life Sciences"

DOI: 10.1002/elsc.201900092

Abstract: Due to their high triacylglyceride content, microalgae are intensively investigated for bio‐economy and food applications. However, lipid analysis is a laborious task incorporating extraction, transesterification and typically gas chromatographic measurement. Co‐elution induces a significant risk… read more here.

Keywords: gas chromatography; fatty acids; time flight; chromatography time ... See more keywords
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Assessment of Intracranial Atherosclerotic Plaques Using 3D Black‐Blood MRI: Comparison With 3D Time‐of‐Flight MRA and DSA

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Published in 2020 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.27341

Abstract: Noninvasive assessment of intracranial stenosis is important to manage ischemic stroke patients. However, few previous studies have compared 3D black‐blood MRI with 3D time‐of‐flight (TOF), magnetic resonance angiography (MRA), and digital subtraction angiography (DSA) for… read more here.

Keywords: black blood; time flight; assessment intracranial; blood mri ... See more keywords
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Osteoblast cell membrane chromatography coupled with liquid chromatography and time-of-flight mass spectrometry for screening specific active components from traditional Chinese medicines.

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Published in 2017 at "Journal of separation science"

DOI: 10.1002/jssc.201700688

Abstract: A method using osteoblast membrane chromatography coupled with liquid chromatography and time-of-flight mass spectrometry was developed to recognize and identify the specific active components from traditional Chinese medicines. Primary rat osteoblasts were used for the… read more here.

Keywords: chromatography; flight mass; time flight; chromatography time ... See more keywords
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HPLC coupled with quadrupole time of flight tandem mass spectrometry for analysis of glycosylated components from the fresh flowers of two congeneric species: Robinia hispida L. and Robinia pseudoacacia L.

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Published in 2021 at "Journal of separation science"

DOI: 10.1002/jssc.202001068

Abstract: Developing methods for the systematic and rapid identification of the chemical compositions of fresh plant tissues has long attracted the attention of phytochemists and pharmacologists. In the present study, based on highly efficient sample pretreatment… read more here.

Keywords: flight tandem; coupled quadrupole; analysis; time flight ... See more keywords
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Passive acoustic mapping with absolute time-of-flight information and delay-multiply-sum beamforming.

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Published in 2023 at "Medical physics"

DOI: 10.1002/mp.16248

Abstract: BACKGROUND Passive acoustic mapping (PAM) is showing increasing application potential in monitoring ultrasound therapy by spatially resolving cavitation activity. PAM with the relative time-of-flight information leads to poor axial resolution when implemented with ultrasound diagnostic… read more here.

Keywords: time; absolute time; flight information; time flight ... See more keywords
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Parallel imaging in time‐of‐flight magnetic resonance angiography using deep multistream convolutional neural networks

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27656

Abstract: To develop and evaluate a method of parallel imaging time‐of‐flight (TOF) MRA using deep multistream convolutional neural networks (CNNs). read more here.

Keywords: deep multistream; using deep; multistream convolutional; time flight ... See more keywords
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Highly accelerated intracranial time‐of‐flight magnetic resonance angiography using wave‐encoding

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Published in 2023 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29647

Abstract: To develop an accelerated 3D intracranial time‐of‐flight (TOF) magnetic resonance angiography (MRA) sequence with wave‐encoding (referred to as 3D wave‐TOF) and to evaluate two variants: wave–controlled aliasing in parallel imaging (CAIPI) and compressed‐sensing wave (CS‐wave). read more here.

Keywords: magnetic resonance; time flight; resonance angiography; accelerated intracranial ... See more keywords
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Investigating Pb diffusion across buried interfaces in Pb(Zr0.2Ti0.8)O3 thin films via time‐of‐flight secondary ion mass spectrometry depth profiling

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Published in 2017 at "Surface and Interface Analysis"

DOI: 10.1002/sia.6255

Abstract: The diffusion of Pb through Pb(Zr0.2Ti0.8)O3(PZT)/Pt/Ti/SiO2/Si thin film heterostructures is studied by using time-of-flight secondary ion mass spectrometry depth profiling. The as-deposited films initially contained 10 mol% Pb excess and were thermally processed at temperatures ranging… read more here.

Keywords: secondary ion; flight secondary; diffusion; mass spectrometry ... See more keywords
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Interrogation of chemical changes on, and through, the bacterial envelope of Escherichia coli FabF mutant using time‐of‐flight secondary ion mass spectrometry

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Published in 2020 at "Surface and Interface Analysis"

DOI: 10.1002/sia.6905

Abstract: Time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS) using a primary ion beam of (CO2)6k+ was used to analyse chemical changes in the bacterial envelope of a fabF knock‐out Escherichia coli strain. fabF is the gene coding… read more here.

Keywords: fabf; time flight; coli; fabf mutant ... See more keywords
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Fatty Acid Composition by Total Acyl Lipid Collision-Induced Dissociation Time-of-Flight (TAL-CID-TOF) Mass Spectrometry.

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Published in 2021 at "Methods in molecular biology"

DOI: 10.1007/978-1-0716-1362-7_8

Abstract: Total acyl lipid collision-induced dissociation time-of-flight (TAL-CID-TOF) mass spectrometry uses a quadrupole time-of-flight (QTOF) mass spectrometer to rapidly provide a comprehensive fatty acid composition of a biological lipid extract. Samples are infused into a QTOF instrument, operated… read more here.

Keywords: tal cid; cid tof; mass; time flight ... See more keywords