List of works by Takayuki Obata

19F-magnetic resonance spectroscopy and chemical shift imaging for schizophrenic patients using haloperidol decanoate

scientific article

7Li 2D CSI of human brain on a clinical scanner

scientific article published in August 2001

A case of adult-onset type II citrullinemia with comorbid epilepsy even after liver transplantation

scientific article published on 3 November 2010

A multi-compartmental SE-BOLD interpretation for stimulus-related signal changes in diffusion-weighted functional MRI.

scientific article published in August 2009

A new case of GABA transaminase deficiency facilitated by proton MR spectroscopy

scientific article

A proposal for PET/MRI attenuation correction with μ-values measured using a fixed-position radiation source and MRI segmentation

A small animal holding fixture system with positional reproducibility for longitudinal multimodal imaging

scientific article published on 5 July 2010

ADC value and diffusion tensor imaging of prostate cancer: changes in carbon-ion radiotherapy.

scientific article published in June 2008

Acute hemicerebellitis in a pediatric patient: a case report of a serial MR spectroscopy study

scientific article

Age-related degeneration of corpus callosum measured with diffusion tensor imaging

scientific article published on 24 March 2006

Altered brain activation by a false recognition task in young abstinent patients with alcohol dependence

scientific article

Analysis of multiple B-value diffusion-weighted imaging in pediatric acute encephalopathy

scientific article

Analysis of normal-appearing white matter of multiple sclerosis by tensor-based two-compartment model of water diffusion

scientific article

Anatomic dependency of phase shifts in the cerebral venous system of neonates at susceptibility-weighted MRI.

scientific article published on 23 August 2011

Association between Brain and Plasma Glutamine Levels in Healthy Young Subjects Investigated by MRS and LC/MS

scientific article published on 19 July 2019

Changes in the pharmacokinetics of Gd-DTPA in experimental tumors after charged particle radiation: comparison with gamma-ray radiation

scientific article

Chewing-induced regional brain activity in edentulous patients who received mandibular implant-supported overdentures: a preliminary report.

scientific article published on 15 October 2010

Classification of Intervertebral Disk Degeneration with Axial T2 Mapping

article

Clinical potentials of the prototype 256-detector row CT-scanner.

scientific article

Comparison of diffusion-weighted MRI and anti-Stokes Raman scattering (CARS) measurements of the inter-compartmental exchange-time of water in expression-controlled aquaporin-4 cells

scientific article published in Scientific Reports

Contribution of dopamine D1 and D2 receptors to amygdala activity in human

scientific article published in February 2010

Contribution of nitric oxide to cerebral blood flow regulation under hypoxia in rats

scientific article

Degeneration of patellar cartilage in patients with recurrent patellar dislocation following conservative treatment: evaluation with delayed gadolinium-enhanced magnetic resonance imaging of cartilage

Delayed gadolinium-enhanced MR to determine glycosaminoglycan concentration in reparative cartilage after autologous chondrocyte implantation: preliminary results

scientific article

Detection of bone metastases using diffusion weighted magnetic resonance imaging: comparison with (11)C-methionine PET and bone scintigraphy

scientific article published on 27 January 2010

Deuterium MR in Vivo Imaging of the Rat Eye Using 2H2O

Deuterium MR in vivo imaging of the rat eye using 2H2O

scientific article published on September 1, 1995

Deuterium magnetic resonance imaging of rabbit eye in vivo

scientific article published on April 1995

Development of 1.45-mm resolution four-layer DOI–PET detector for simultaneous measurement in 3T MRI

article

Development of a dielectric equivalent gel for better impedance matching for human skin

article

Development of a patch antenna array RF coil for ultra-high field MRI.

scientific article published in January 2007

Dialysate pressure isobars in a hollow-fiber dialyzer determined from magnetic resonance imaging and numerical simulation of dialysate flow.

scientific article published in October 1998

Diffusion-tensor-based method for robust and practical estimation of axial and radial diffusional kurtosis

scientific article published on 07 October 2015

Discrepancies between BOLD and flow dynamics in primary and supplementary motor areas: application of the balloon model to the interpretation of BOLD transients

scientific article published in January 2004

Dynamic MRI of transcorneal dispersion of oxygen into the anterior chamber of human eye

scientific article published on 01 March 1998

Early and progressive impairment of spinal blood flow-glucose metabolism coupling in motor neuron degeneration of ALS model mice

scientific article published on 9 November 2011

Early detection of radiation-induced liver injury in rat by superparamagnetic iron oxide-enhanced MR imaging

scientific article published on 01 April 1999

Effect of cyclooxygenase-2 on the regulation of cerebral blood flow during neuronal activation in the rat.

scientific article

Effect of multislice acquisition on T1 and T2 measurements of articular cartilage at 3T.

scientific article published in July 2007

Effect of probe arrangement on reconstruction of optical brain function imaging

Effects of chewing in working memory processing.

scientific article published on 16 March 2008

Effects of chewing on cognitive processing speed

scientific article

Erratum to Spin-locking versus chemical exchange saturation transfer MRI for investigating chemical exchange process between water and labile metabolite protons. Magn Reson Med 2011;65:1448-1460

scholarly article published in Magnetic Resonance in Medicine

Estimation of partial optical path length in the brain in subject-specific head models for near-infrared spectroscopy

Evaluating glycogen signal contamination in muscle by (13)C MRS of the liver

scientific article published on 20 February 2008

Evaluation of the effects of PET modules on the RF field distribution of an integrated PET/RF-coil modality

Feasibility of a brain-dedicated PET-MRI system using four-layer DOI detectors integrated with an RF head coil

Feasibility study for a PET detector integrated with an RF coil for PET-MRI

Functional network in the prefrontal cortex during episodic memory retrieval

scientific article published on 15 April 2005

Hemodynamic changes during somatosensory stimulation in awake and isoflurane-anesthetized mice measured by laser-Doppler flowmetry

scientific article

High b-value diffusion-weighted fMRI in a rat forepaw electrostimulation model at 7 T.

scientific article published on 12 April 2011

Hybrid segmentation-atlas method for PET-MRI attenuation correction

In vivo estimation of gamma-aminobutyric acid levels in the neonatal brain.

scientific article

Intracortical microcirculatory change induced by anesthesia in rat somatosensory cortex

scientific article

Laterality and aging of thalamic subregions measured by diffusion tensor imaging

scientific article

Long-term adaptation of cerebral hemodynamic response to somatosensory stimulation during chronic hypoxia in awake mice

scientific article

Lung as reservoir for antidepressants in pharmacokinetic drug interactions

scientific article published in January 1998

MR imaging of brain injury induced by carbon ion radiotherapy for head and neck tumors

scientific article published in December 2005

MR in vivo imaging of oxygen suppression effect of soft contact lens on the human cornea

scientific article published on 01 April 2000

MRI compatibility study of an integrated PET/RF-coil prototype system at 3T.

scientific article published on 31 August 2017

MRI image reconstruction using polar-coordinates conversion of k-space data

scientific article

Magnetic displacement force and torque on dental keepers in the static magnetic field of an MR scanner

article

Magnetic resonance elastography to observe deep areas: comparison of external vibration systems

scientific article published in January 2007

Magnetic resonance imaging appropriate for construction of subject-specific head models for diffuse optical tomography

scientific article

Measurement of the electrical properties of human skin and the variation among subjects with certain skin conditions

Metabolic activity in skeletal muscles of patients with non-hypoxaemic chronic obstructive pulmonary disease studied by 31P-magnetic resonance spectroscopy

scientific article published in March 2005

Molecular imaging of aquaglycero-aquaporins: its potential for cancer characterization

scientific article published on January 2013

Monitoring of liver glycogen synthesis in diabetic patients using carbon-13 MR spectroscopy.

scientific article published on 5 December 2008

Monitoring the brain metabolites of children with acute encephalopathy caused by the H1N1 virus responsible for the 2009 influenza pandemic: a quantitative in vivo 1H MR spectroscopy study

scientific article

Multimodal silica-shelled quantum dots: direct intracellular delivery, photosensitization, toxic, and microcirculation effects

scientific article published on 22 May 2008

Negative correlation between brain glutathione level and negative symptoms in schizophrenia: a 3T 1H-MRS study

scientific article

Neonatal brain metabolite concentrations: an in vivo magnetic resonance spectroscopy study with a clinical MR system at 3 Tesla

scientific article

Neural damage due to temporal lobe epilepsy: dual-nuclei (proton and phosphorus) magnetic resonance spectroscopy study

scientific article published in February 2004

New algorithm using L1 regularization for measuring electron energy spectra

scientific article published on 01 July 2020

Noise properties for three weighted Feldkamp algorithms using a 256-detecotor row CT-scanner: case study for hepatic volumetric cine imaging.

scientific article published on 29 March 2006

Nonlinear temporal dynamics of the cerebral blood flow response

scientific article published in May 2001

Normal lactate concentration range in the neonatal brain.

scientific article published on 24 July 2016

Optimizing T2-weighted magnetic resonance sequences for surface coil microimaging of the eye with regard to lid, eyeball and head moving artifacts.

scientific article

Phosphorous-31 magnetic resonance spectroscopy of cervical cancer using transvaginal surface coil

scientific article published in December 2005

Prediction of early response to radiotherapy of uterine carcinoma with dynamic contrast-enhanced MR imaging using pixel analysis of MR perfusion imaging.

scientific article published on 2 September 2008

Preliminary study: Color map of hepatocellular carcinoma using dynamic contrast-enhanced 256-detector row CT

Prognostic value of PET/CT with (18)F-fluoroazomycin arabinoside for patients with head and neck squamous cell carcinomas receiving chemoradiotherapy

scientific article published on 12 December 2015

Properties of the prototype 256-row (cone beam) CT scanner

scientific article published on 28 March 2006

Proton magnetic resonance imaging of flow motion of heavy water injected into a hollow fiber dialyzer filled with saline.

scientific article

Prototype integrated system of DOI- PET and the RF-coil specialized for simultaneous PET-MRI measurements

Quantitative evaluation of fatty degeneration of the supraspinatus and infraspinatus muscles using T2 mapping

scientific article published in May 2014

Quantitative magnetic resonance spectroscopy of schizophrenia: relationship between decreased N-acetylaspartate and frontal lobe dysfunction

scientific article

Quiet T1-Weighted Pointwise Encoding Time Reduction with Radial Acquisition for Assessing Myelination in the Pediatric Brain.

scientific article published on 7 April 2016

Reduced gray matter volume of dorsal cingulate cortex in patients with obsessive-compulsive disorder: a voxel-based morphometric study

scientific article published in October 2010

Reduction of a high-field dielectric artifact with homemade gel.

scientific article

Regional heterogeneity and age-related change in sub-regions of internal capsule evaluated by diffusion tensor imaging

scientific article published on August 2010

Relation between dopamine synthesis capacity and cell-level structure in human striatum: a multi-modal study with positron emission tomography and diffusion tensor imaging

scientific article published on 31 January 2014

Relationship between symptom dimensions and white matter alterations in obsessive-compulsive disorder

scientific article published on 13 September 2016

Reproducibility and variance of a stimulation-induced hemodynamic response in barrel cortex of awake behaving mice

scientific article

Results of the first prospective study of carbon ion radiotherapy for hepatocellular carcinoma with liver cirrhosis

article by Hirotoshi Kato et al published August 2004 in International Journal of Radiation Oncology Biology Physics

Role of glucose metabolism and cellularity for tumor malignancy evaluation using FDG-PET/CT and MRI

article published in 2010

Segmentation of magnetic resonance images to construct human head model for diffuse optical imaging

Seizure frequency and bilateral temporal abnormalities: a proton magnetic resonance spectroscopy of temporal lobe epilepsy

Signal contributions to heavily diffusion-weighted functional magnetic resonance imaging investigated with multi-SE-EPI acquisitions.

scientific article published on 26 April 2014

Spatial frequency-based analysis of mean red blood cell speed in single microvessels: investigation of microvascular perfusion in rat cerebral cortex

scientific article (publication date: 2011)

Specific metabolites in the medial prefrontal cortex are associated with the neurocognitive deficits in schizophrenia: a preliminary study.

scientific article published on 19 October 2009

Spin-locking versus chemical exchange saturation transfer MRI for investigating chemical exchange process between water and labile metabolite protons

scientific article

Study of Magnetic Field Measurement System for g-2/EDM Experiment at J-PARC

Study on Field Measurement and Ground Vibration for Superconducting Solenoid of New g-2 Experiment at J-PARC

article

Systematic changes to the apparent diffusion tensor of in vivo rat brain measured with an oscillating-gradient spin-echo sequence

scientific article published on 27 December 2012

T2 mapping of hip articular cartilage in healthy volunteers at 3T: a study of topographic variation

The development of a three-dimensional T1 image calculation program in proportion to the DICOM data of any marketing clinical MRI systems

scientific article

The influence of frontal sinus in brain activation measurements by near-infrared spectroscopy analyzed by realistic head models

scientific article

Three-vessel study of cerebral blood flow using phase-contrast magnetic resonance imaging: Effect of physical characteristics

scientific article published on 01 January 1996

Time course evaluation of reparative cartilage with MR imaging after autologous chondrocyte implantation.

scientific article

Tract-Specific Diffusion Tensor Imaging Reveals Laterality of Neurological Symptoms in Patients with Cervical Compression Myelopathy

article published in 2016

Transient contribution of left posterior parietal cortex to cognitive restructuring

scientific article

Use of a novel radiometric method to assess the inhibitory effect of donepezil on acetylcholinesterase activity in minimally diluted tissue samples

scientific article

Visualization of in vivo electroporation-mediated transgene expression in experimental tumors by optical and magnetic resonance imaging

scientific article

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