Search Results - "Teixeira, Rui P."
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An MR fingerprinting approach for quantitative inhomogeneous magnetization transfer imaging
Published in Magnetic resonance in medicine (01-01-2022)“…Purpose Magnetization transfer (MT) and inhomogeneous MT (ihMT) contrasts are used in MRI to provide information about macromolecular tissue content. In…”
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2
Multi‐modal functional MRI to explore placental function over gestation
Published in Magnetic resonance in medicine (01-02-2019)“…Purpose To investigate, visualize and quantify the physiology of the human placenta in several dimensions ‐ functional, temporal over gestation, and spatial…”
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3
Magnetization transfer and frequency distribution effects in the SSFP ellipse
Published in Magnetic resonance in medicine (01-08-2020)“…Purpose To demonstrate that quantitative magnetization transfer (qMT) parameters can be extracted from steady‐state free‐precession (SSFP) data with no…”
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4
Steady‐state imaging with inhomogeneous magnetization transfer contrast using multiband radiofrequency pulses
Published in Magnetic resonance in medicine (01-03-2020)“…Purpose Inhomogeneous magnetization transfer (ihMT) is an emerging form of MRI contrast that may offer high specificity for myelinated tissue. Existing ihMT…”
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5
Inherent and unpredictable bias in multi-component DESPOT myelin water fraction estimation
Published in NeuroImage (Orlando, Fla.) (15-07-2019)“…Multicomponent driven equilibrium steady-state observation of T1 and T2 (mcDESPOT) aims to quantify the Myelin Water Fraction (MWF) using a two-pool…”
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6
Phenotyping the Preterm Brain: Characterizing Individual Deviations From Normative Volumetric Development in Two Large Infant Cohorts
Published in Cerebral cortex (New York, N.Y. 1991) (05-07-2021)“…Abstract The diverse cerebral consequences of preterm birth create significant challenges for understanding pathogenesis or predicting later outcome. Instead…”
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7
Characterizing the modulation transfer function (MTF) of proton/carbon radiography using Monte Carlo simulations
Published in Medical physics (Lancaster) (01-09-2013)“…Purpose: To characterize the modulation transfer function (MTF) of proton/carbon radiography using Monte Carlo simulations. To assess the spatial resolution of…”
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Improving B1+ parametric estimation in the brain from multispin‐echo sequences using a fusion bootstrap moves solver
Published in Magnetic resonance in medicine (01-11-2021)“…Purpose To simultaneously estimate the B1+ field (along with the T2) in the brain with multispin‐echo (MSE) sequences and dictionary matching. Methods T2…”
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9
Improving parametric estimation in the brain from multispin‐echo sequences using a fusion bootstrap moves solver
Published in Magnetic resonance in medicine (01-11-2021)Get full text
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10
Modelling brain development to detect white matter injury in term and preterm born neonates
Published in Brain (London, England : 1878) (01-02-2020)“…Premature birth occurs during a period of rapid brain growth. In this context, interpreting clinical neuroimaging can be complicated by the typical changes in…”
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Preterm birth alters the development of cortical microstructure and morphology at term-equivalent age
Published in NeuroImage (Orlando, Fla.) (01-11-2021)“…The dynamic nature and complexity of the cellular events that take place during the last trimester of pregnancy make the developing cortex particularly…”
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12
Paramagnetic salt and agarose recipes for phantoms with desired T1 and T2 values for low‐field MRI
Published in NMR in biomedicine (17-11-2024)“…Tissue‐mimicking reference phantoms are indispensable for the development and optimization of magnetic resonance (MR) measurement sequences. Phantoms have…”
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13
Magnetization Transfer-Mediated MR Fingerprinting
Published 23-08-2021“…Purpose: Magnetization transfer (MT) and inhomogeneous MT (ihMT) contrasts are used in MRI to provide information about macromolecular tissue content. In…”
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14
Improving B 1 + parametric estimation in the brain from multispin-echo sequences using a fusion bootstrap moves solver
Published in Magnetic resonance in medicine (01-11-2021)“…PURPOSETo simultaneously estimate the B 1 + field (along with the T2 ) in the brain with multispin-echo (MSE) sequences and dictionary matching. METHODST2…”
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15
Extended Phase Graph formalism for systems with Magnetization Transfer and Chemical Exchange
Published 04-09-2017“…An Extended Phase Graph framework for modelling systems with exchange or magnetization transfer (MT) is proposed. The framework, referred to as EPG-X, models…”
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