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Search Results to Hernan J. Jara, PhD

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Research Expertise & Professional Interests Hernan Jara is a medical imaging physicist and Professor of Radiology at Boston University School of Medicine and Adjunct-Professor of Biomedical Engineering. After completing his doctoral degree in physics from the University of Illinois at Chicago, he received his postdoctoral training in medical imaging at the University of Pennsylvania earning a Training Fellowship in MRI from the NIH. Dr. Jara was also a postdoctoral Research Associate for two years at the Laboratory for Structural NMR Imaging at the University of Pennsylvania. He work was in the development of MRI mircoscopy pulse sequences. Dr. Jara is currently the co-director of the Master of Arts Program in Bioimaging. He has extensive teaching, curriculum development, and research mentoring experience at the undergraduate (biomedical engineering) and graduate levels (masters students in Bioimaging, medical students, and radiology residents). Dr. Jara has also extensive experience in radiological research, specifically in the areas of pulse sequence development and image processing, algorithm development for multispectral quantitative magnetic resonance imaging (qMRI), for magnetic resonance angiograpy (MRA), and for MRI microscopy. He has pioneered new techniques for virtual MRI-a technique with which MR images of arbitrary contrast weighting can be generated from a single multispectral qMRI scan–being the inventor in three United States patents (US6,823,205 B1, US 6,917,199, and US 7,002,345. He has also participated in qMRI studies of liver volumetry and cancer diagnosis.

One or more keywords matched the following items that are connected to Jara, Hernan

Item TypeName
Concept Magnetic Resonance Imaging
Concept Diffusion Magnetic Resonance Imaging
Academic Article Multisection T1-weighted hybrid-RARE: a pulse sequence for MR imaging of the entire liver during suspended respiration.
Academic Article Multislice T1-weighted hybrid RARE in CNS imaging: assessment of magnetization transfer effects and artifacts.
Academic Article MR of the spine with a fast T1-weighted fluid-attenuated inversion recovery sequence.
Academic Article Improved contrast of enhancing brain lesions using contrast-enhanced T1-weighted fast spin-echo MR imaging.
Academic Article T2-weighted MR imaging of the liver: optimization of hybrid-RARE sequences.
Academic Article MR urography.
Academic Article Fluid-attenuated inversion recovery MR imaging: identification of protein concentration thresholds for CSF hyperintensity.
Academic Article MR imaging of soft tissues adjacent to orthopaedic hardware: techniques to minimize susceptibility artefact.
Academic Article Fast inversion-recovery MR: the effect of hybrid RARE readout on the null points of fat and cerebrospinal fluid.
Academic Article A comparison of conventional spin-echo and turbo spin-echo imaging of soft tissues adjacent to orthopedic hardware.
Academic Article Cervical spine: three-dimensional MR imaging with magnetization transfer prepulsed turbo field echo techniques.
Academic Article MR imaging of hemorrhagic brain lesions: a comparison of dual-echo gradient- and spin-echo and fast spin-echo techniques.
Academic Article Black-blood MR angiography with GRASE: measurement of flow-induced signal attenuation.
Academic Article Inner ear volumetric measurements using high-resolution 3D T2-weighted fast spin-echo MR imaging: initial experience in healthy subjects.
Academic Article Comparison of conventional and turbo spin-echo T1-weighted MR imaging in acute knee trauma.
Academic Article MR cholangiopancreatography techniques.
Academic Article Liver and spleen volumetry with quantitative MR imaging and dual-space clustering segmentation.
Academic Article Differentiation of hepatocellular carcinoma and hepatic metastasis from cysts and hemangiomas with calculated T2 relaxation times and the T1/T2 relaxation times ratio.
Academic Article Multispectral quantitative magnetic resonance imaging of brain iron stores: a theoretical perspective.
Academic Article Combined volumetric T1, T2 and secular-T2 quantitative MRI of the brain: age-related global changes (preliminary results).
Academic Article The relationship of ectopic lipid accumulation to cardiac and vascular function in obesity and metabolic syndrome.
Academic Article Relaxo-volumetric multispectral quantitative magnetic resonance imaging of the brain over the human lifespan: global and regional aging patterns.
Academic Article Accurate brain volumetry with diffusion-weighted spin-echo single-shot echo-planar-imaging and dual-clustering segmentation: comparison with volumetry-validated quantitative magnetic resonance imaging.
Academic Article Whole brain quantitative T2 MRI across multiple scanners with dual echo FSE: applications to AD, MCI, and normal aging.
Academic Article Volumetric and semiquantitative assessment of MRI-detected subchondral bone marrow lesions in knee osteoarthritis: a comparison of contrast-enhanced and non-enhanced imaging.
Academic Article Assessment of synovitis in the osteoarthritic knee: Comparison between manual segmentation, semiautomated segmentation, and semiquantitative assessment using contrast-enhanced fat-suppressed T1-weighted MRI.
Academic Article Quantitative MR imaging: physical principles and sequence design in abdominal imaging.
Academic Article Effect of disease progression on liver apparent diffusion coefficient and T2 values in a murine model of hepatic fibrosis at 11.7 Tesla MRI.
Academic Article Effect of disease progression on liver apparent diffusion coefficient values in a murine model of NASH at 11.7 Tesla MRI.
Academic Article Multiexponential T(2) analyses in a murine model of hepatic fibrosis at 11.7 T MRI.
Academic Article Quantitative MRI analysis of craniofacial bone marrow in patients with sickle cell disease.
Academic Article Quantifying hepatic fibrosis using a biexponential model of diffusion weighted imaging in ex vivo liver specimens.
Academic Article qMRI relaxometry of mandibular bone marrow: a monomodal distribution in sickle cell disease.
Academic Article Quantitative MRI analysis of salivary glands in sickle cell disease.
Academic Article Effect of testosterone administration on liver fat in older men with mobility limitation: results from a randomized controlled trial.
Academic Article Age-related relaxo-volumetric quantitative magnetic resonance imaging of the major salivary glands.
Academic Article Multispectral quantitative MR imaging of the human brain: lifetime age-related effects.
Academic Article Determination of background gradients with diffusion MR imaging.
Academic Article MRI characterization of diffusion coefficients in a rat spinal cord injury model.
Academic Article Quantifying liver fibrosis through the application of texture analysis to diffusion weighted imaging.
Academic Article Characterizing non-gaussian, high b-value diffusion in liver fibrosis: Stretched exponential and diffusional kurtosis modeling.
Academic Article MR relaxometry for the facial ageing assessment: the preliminary study of the age dependency in the MR relaxometry parameters within the facial soft tissue.
Academic Article Quantitative magnetic resonance imaging analysis of the lacrimal gland in sickle cell disease.
Academic Article Utility of texture analysis for quantifying hepatic fibrosis on proton density MRI.
Academic Article Enhanced Laws textures: A potential MRI surrogate marker of hepatic fibrosis in a murine model.
Academic Article Global and Regional Brain Assessment with Quantitative MR Imaging in Patients with Prior Exposure to Linear Gadolinium-based Contrast Agents.
Academic Article Application of texture analysis on parametric T1 and T2 maps for detection of hepatic fibrosis.
Academic Article Quantitative MR imaging of intra-orbital structures: Tissue-specific measurements and age dependency compared to extra-orbital structures using multispectral quantitative MR imaging.
Academic Article Effects of testosterone administration (and its 5-alpha-reduction) on parenchymal organ volumes in healthy young men: findings from a dose-response trial.
Academic Article Principles of Quantitative MR Imaging with Illustrated Review of Applicable Modular Pulse Diagrams.
Award or Honor Receipt Distinguished Reviewer
Award or Honor Receipt Distinguished Reviewer
Academic Article High-resolution variable flip angle 3D MR imaging of trabecular microstructure in vivo.
Academic Article High-resolution MR imaging of the human eye 2005.
Academic Article Application of basic physics principles to clinical neuroradiology: differentiating artifacts from true pathology on MRI.
Academic Article Magnetic Resonance Imaging Clinics of North America
Academic Article Theory of Quantitative Magnetic Resonance Imaging
Academic Article Association of Circulating Proinflammatory and Anti-inflammatory Protein Biomarkers in Extremely Preterm Born Children with Subsequent Brain Magnetic Resonance Imaging Volumes and Cognitive Function at Age 10 Years.

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  • Magnetic Resonance Imaging