• He then joined as a senior scientist in Biological Imaging Center at the Beckman Institute of California Institute of Technology, California where he worked on high field Magnetic Resonance Microscopy (1999-2003). (selectbiosciences.com)
  • In June 2009 he joined the laboratory of molecular imaging, Singapore Bioimaging Consortium as the Head of Magnetic Resonance Spectroscopy and Metabolic Imaging group. (selectbiosciences.com)
  • He has developed several magnetic resonance techniques for Magnetic Resonance imaging, EPR Imaging, self-diffusion measurements, high resolution MRS, and localized MRS suitable for pre-clinical and clinical applications. (selectbiosciences.com)
  • In this study, magnetic resonance imaging (MRI) was used to evaluate the relapse features of patients with Rolandic meningioma after the microsurgery. (hindawi.com)
  • Differences in quality of life, 1 H-MRS index, vascular density, and cell proliferation between the two groups were assessed as well as imaging differences between the two groups were analyzed using MRI. (hindawi.com)
  • According to the guidelines of the European Society of Neuro-Oncology, the main diagnostic method for meningioma is magnetic resonance imaging (MRI). (hindawi.com)
  • Magnetic resonance examination is characterized by multidirectional and external parametric imaging, which can clearly show the lesions of tumor soft tissue and microvessels [ 9 ]. (hindawi.com)
  • Magnetic resonance examination includes magnetic resonance imaging (MRI), MRI enhancement imaging, MRI functional imaging, MR diffusion imaging, MR perfusion imaging, and proton magnetic resonance spectroscopy ( 1 H-MRS) [ 10 ]. (hindawi.com)
  • He is also Director of the Advanced Imaging Technologies Specialized Resource Group, the UCSF Research Resource Programs's (RRP) Human Imaging Core Services recharge and,the P41 NIH/NBIBI Hyperpolarized MRI Technology Resource Center. (ucsf.edu)
  • He is also the Operations Director of the Surbeck Laboratory for Advanced Imaging, Chair of the Radiology Research Safety & Compliance Committee, and a core member of the UCB/UCSF Graduate Group in Bioengineering at UCSF. (ucsf.edu)
  • Dr. Vigneron's research focuses on the development of advanced functional and metabolic Magnetic Resonance Imaging (MRI) techniques for both basic research and clinical assessments of human diseases. (ucsf.edu)
  • We present magnetic resonance imaging (MRI) spectroscopic methods for operando monitoring of heterogeneous reactions in situ . (confex.com)
  • All underwent cardiac magnetic resonance imaging and 31P magnetic resonance spectroscopy for myocardial energetics. (ox.ac.uk)
  • Although medulloblastoma has a highly characteristic appearance on computed tomography (CT) scanning, magnetic resonance imaging (MRI) is the preferred tool. (medscape.com)
  • MRI sequences such as diffusion-weighted imaging (DWI) with apparent diffusion coefficient (ADC) maps and spectroscopic studies have improved quantitative analysis and provided potential for correlating image findings with medulloblastoma molecular subtypes. (medscape.com)
  • Herein we report on a pilot study involving twelve participants with ALS and nine age-matched healthy controls who underwent high-resolution resting state functional magnetic resonance imaging at an ultra-high field of 7 Tesla. (biorxiv.org)
  • By studying structural and functional magnetic reso-nance imaging and other neuroimaging modalities, we aim to improve understanding of brain ageing pathways, which in turn will lead to clinical advances in prediction, diagnosis and treatment. (edu.au)
  • All participants will undergo multimodal magnetic resonance imaging (MRI) as well as neuropsychological and clinical assessments at multiple time points before, during and after treatment. (biomedcentral.com)
  • Signs of brain disruption, potentiation and rewiring will be explored with resting-state functional MRI, magnetic resonance spectroscopy and multishell diffusion weighted imaging (DWI). (biomedcentral.com)
  • Dr. Kozlowski's research uses magnetic resonance imaging (MRI) based techniques to study SCI. (icord.org)
  • He is a Principal Investigator at ICORD and Associate Director of the UBC Magnetic Resonance Imaging Research Centre. (icord.org)
  • Evaluation of MSUD brains by magnetic resonance diffusion imaging spectroscopy suggests impaired human brain energy fat burning capacity. (woofahs.com)
  • Magnetic resonance imaging revealed extradural spinal cord compression at the ventral right aspect of the intervertebral disk space L3-4. (avma.org)
  • Beyond the sole determination of brain metabolite concentrations by proton spectroscopy ( Figure 1 ), our group develops imaging methods based on CEST effect ('Chemical Exchange Saturation Transfer', Figure 2 ), in order to map with a good spatial resolution the distribution of some endogenous metabolite such as glutamate (which is involved in both energy metabolism and neurotransmission). (cea.fr)
  • Multiple sclerosis (MS) is diagnosed on the basis of clinical findings and supporting evidence from ancillary tests, such as magnetic resonance imaging (MRI) of the brain and spinal cord and cerebrospinal fluid examination. (medscape.com)
  • The global magnetic resonance imaging (MRI) market is a shifting, capital equipment market that is saturated with numerous players developing innovative technologies. (powershow.com)
  • Resonance Imaging Systems market revenue and future forecasts from 2011 to 2013, forecast for 7 years to 2020. (powershow.com)
  • In neuroimaging studies using structural (diffusion weighted magnetic resonance imaging or DW-MRI) and functional (magnetoencephalography or MEG) imaging, my laboratory has produced data on the neural connectivity that underlies language processing, as well as electrophysiological measures of language functioning during various levels of language processing (e.g., phonemic, lexical, or sentential). (pharmaceuticalintelligence.com)
  • Water exchange between the different compartments of a heterogeneous specimen can be characterized via diffusion magnetic resonance imaging (dMRI). (keaipublishing.com)
  • Proton nuclear (1H) is the observed nucleus on which most magnetic resonance imaging (MRI) applications depend. (keaipublishing.com)
  • [ 1 ] Magnetic resonance imaging (MRI) of the brain is useful in the diagnosis and treatment of multiple sclerosis . (medscape.com)
  • Magnetic resonance imaging (MRI) may display anatomical involvement, speed and patterns of growth, effect on the blood-brain-barrier (i.e., contrast enhancement), edema, necrosis, and to some extent the density and vascularity of the lesions. (surgicalneurologyint.com)
  • Special image sequences such as diffusion-weighted imaging (DWI), and magnetic resonance spectroscopy (MRS) can also be helpful in the differential diagnostics. (surgicalneurologyint.com)
  • Magnetic Resonance Imaging (MRI) is a well-known non-invasive medical imaging technique widely employed in radiology to visualize the internal structure of the soft tissues through the observation of the intense and narrow resonance of hydrogen atoms of water molecules of the body. (panacea-nmr.eu)
  • Magnetic resonance imaging (MRI) is a type of medical imaging that uses a strong magnetic field and very high frequency radio waves to produce highly detailed images. (msdmanuals.com)
  • Paramagnetic Contrast Agents Radiographic contrast agents are substances used to distinguish between internal structures in medical imaging, such as various types of x-rays and magnetic resonance imaging (MRI). (msdmanuals.com)
  • Besides several articles published in peer-reviewed journals, Mathur authored a book, Radiochemical and Spectrometer Studies of Some New Nuclear Isomers Prepared by Cyclotron Bombardment and contributed a chapter to a book, Spectroscopy in Inorganic Chemistry - Vol I which was edited by C. N. R. Rao. (wikipedia.org)
  • Analytical chemists often make use of nuclear magnetic resonance (NMR) spectroscopy to identify molecules and measure their concentrations. (spectroscopyeurope.com)
  • Urethane dimethacrylate monomer functionalized with a QAC (UDMAQAC) was synthesized and then characterized by nuclear magnetic resonance spectroscopy (NMR) and Fourier transform infrared spectroscopy (FTIR). (ac.ir)
  • Moreover, we systematically investigate changes of dynamical behavior by varying the molecular weight of the polymers and investigate the interpretation of experimental results, in particular of nuclear magnetic resonance data. (tu-darmstadt.de)
  • Recent studies have developed new approaches to study diffusion coefficients and structural relaxation times by way of nuclear magnetic resonance spectroscopy for wide time ranges and long times. (tu-darmstadt.de)
  • Hence, the key aspects in the interpretation of spin-lattice relaxation times from nuclear magnetic resonance experiments are evaluated from a molecular dynamics simulation perspective. (tu-darmstadt.de)
  • However, he quickly realized that working in an area closer to everyday life was more suitable for his future career, so he joined a group of physicists at the Institute of Nuclear Physics in Krakow, where he helped build the first research MRI scanner in Eastern Europe. (icord.org)
  • Progress in Nuclear Magnetic Resonance Spectroscopy. (manchester.ac.uk)
  • Nuclear magnetic resonance (NMR) measurements of water diffusion have been extensively used to probe microstructure in porous materials, such as biological tissue, however primarily using pulsed gradient. (keaipublishing.com)
  • 23Na is a nuclear magnetic resonance (NMR)-active isotope with a nuclear spin quantum number of 3/2. (keaipublishing.com)
  • In the last decades, a variety of nuclear magnetic resonance (NMR) techniques have been applied with success in the field of advanced functional materials, including the important area of drug delivery. (keaipublishing.com)
  • Thirteen capsular polysaccharides have been described, and nuclear magnetic resonance spectroscopy has enabled determination of the structure of capsular polysaccharides responsible for serogroup specificity. (cdc.gov)
  • Nuclear magnetic resonance spectroscopy enabled determination of the structure of capsular polysaccharides responsible for serogroup specificity, and structures for 12 of the 13 serogroups (all but serogroup D) from N. meningitidis capsular polysaccharides have been reported ( 6 - 15 ). (cdc.gov)
  • 4. Z. Luz and B.L. Silver, The acid catalyzed exchange of phosphorus bonded hydrogen in aqueous solutions of dialkyl phosphonates studied by nuclear magnetic resonances. (weizmann.ac.il)
  • 7. M. Sheinblatt and Z. Luz, Hydrogen exchange in benzylmercaptan studied by nuclear magnetic resonance. (weizmann.ac.il)
  • 9. Z. Luz and S. Meiboom, Nuclear magnetic resonance study of the protolysis of trimethylammonium ion in aqueous solution-order of the reaction with respect to water. (weizmann.ac.il)
  • 11. Z. Luz and S. Meiboom, Nuclear magnetic resonance study of the solvation of Co++ in methanol-water mixtures. (weizmann.ac.il)
  • 14. Z. Luz, Nuclear magnetic resonance and optical spectroscopy of [Co(MeOH)5Cl]+ in methanol and the kinetics of methanol exchange of the solvation shell. (weizmann.ac.il)
  • 15. Z. Luz, Nuclear magnetic resonance study of cobalt-chlorine complexes in methanol. (weizmann.ac.il)
  • 19. I. Pecht and Z. Luz, Oxygen exchange between periodate and water studied by 17O nuclear magnetic resonance. (weizmann.ac.il)
  • 21. Z. Luz and G. Yagil, Water 17O nuclear magnetic resonance shift in aqueous solutions of 1:1 electrolyte. (weizmann.ac.il)
  • 22. Z. Luz and B.L. Silver, The acid catalyzed oxygen exchange of acetyl-acetone in dioxane-water solution measured by oxygen-17 nuclear magnetic resonance. (weizmann.ac.il)
  • 23. B.L. Silver, Z. Luz, S. Peller and J. Reuben, Intramolecular hydrogen bonding in the hydrogen anions of some carboxylic acids in water-methanol mixtures, Evidence from nuclear magnetic resonance. (weizmann.ac.il)
  • 24. Z. Luz and I. Pecht, Oxygen-17 nuclear magnetic resonance and oxygen exchange in aqueous solutions of telluric acid. (weizmann.ac.il)
  • 28. Z. Luz, B.L. Silver and D. Fiat, O-17 nuclear magnetic resonance of manganese (III) tris(acetyacetonate). (weizmann.ac.il)
  • 29. P. Greenzaid, Z. Luz and D. Samuel, A nuclear magnetic resonance study of the reversible hydration of aliphatic aldehydes and ketones. (weizmann.ac.il)
  • Nuclear magnetic relaxation by the dipolar EMOR mechanism: Multi-spin systems. (lu.se)
  • Nuclear magnetic relaxation by the dipolar EMOR mechanism: General theory with applications to two-spin systems. (lu.se)
  • Nuclear magnetic relaxation induced by exchange-mediated orientational randomization: Longitudinal relaxation dispersion for a dipole-coupled spin-1/2 pair. (lu.se)
  • METHODS: In this single center study conducted from October 2018-2019, lipid constituents from lipoprotein subclasses were quantified by targeted nuclear magnetic resonance spectroscopy. (cdc.gov)
  • 3. B.L. Silver and Z. Luz, Rates and mechanisms of protolysis of trimethyl-phosphonium ion in aqueous solution studied by proton magnetic resonance. (weizmann.ac.il)
  • 20. Z. Luz and R.G. Shulman, Proton magnetic resonance shifts in aqueous solutions of paramagnetic metal ions. (weizmann.ac.il)
  • Prof. Iwahara gives a talk titled "Biomolecular Electrostatics by NMR Spectroscopy" at the International Society of Magnetic Resonance meeting in Brisbane, Australia. (utmb.edu)
  • We are now investigating the possibility to use diffusion-weighted spectroscopy to assess cerebral lactate distribution between the different compartments (neurons, astrocytes, extracellular space…), which is related to the lactate shuttle. (cea.fr)
  • Mathur's researches were primarily in the fields of thermodynamics and he worked on the chemical application of Mossbauer spectroscopy and the beta and gamma spectroscopic studies isotopes in the closed shell region. (wikipedia.org)
  • Several magnetic resonance spectroscopic studies have shown that lactate accumulates in areas of the brain that are damaged in methylmalonic acidemia. (medscape.com)
  • Here, using polarized and unpolarized inelastic neutron scattering, we present a detailed characterization of the magnetic and phononic branches of this magnetoelastic mode, particularly with respect to their composition, the anisotropy of any magnetic fluctuations, and also the temperature dependence of the different types of fluctuation that are involved. (cea.fr)
  • More recently an additional dynamical characterization has been added by performing Pulsed Field Gradient experiments on molten salts and borates leading to the in-situ measurements of self-diffusion coefficients. (panacea-nmr.eu)
  • Using the STE-LASER sequence, we measured a decreased diffusion coefficient for glutamine and increased for taurine and glutamate in the cerebellum of a rat model of cHE, associated with cell-specific morphological changes measured ex vivo. (cibm.ch)
  • Figure 5: The study of the temporal dependency of metabolite diffusion coefficient at ultra-long diffusion times allows characterizing long-range cellular structure. (cea.fr)
  • Despite this, in vivo magnetic resonance spectroscopy measures of resting CK flux suggest that ATP delivery is reduced earlier, at the moderate AS stage, where LV function remains preserved. (ox.ac.uk)
  • Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) has been widely employed to characterize transition metal complexes. (keaipublishing.com)
  • One ("DNA-mediated proteolysis by neutrophil elastase enhances binding activities of the HMGB1 protein") is for Journal of Biological Chemistry , and the other ("Measuring local electrostatic potentials around nucleic acids by paramagnetic NMR spectroscopy") is for Journal of Physical Chemistry Letters . (utmb.edu)
  • Merunka, D., Perić, M. & (2019) Radical Diffusion in Viscous Liquids by Electron Paramagnetic Resonance . (irb.hr)
  • Merunka, D., Perić, M. & Perić, M. (2015) Study of Nanostructural Organization of Ionic Liquids by Electron Paramagnetic Resonance Spectroscopy . (irb.hr)
  • This combination of relatively low magnetic field with very fast MAS provides efficient averaging of anisotropic paramagnetic broadenings such as those observed for positive electrode materials of Li-ion batteries. (panacea-nmr.eu)
  • Merunka, D. & Perić, M. (2017) Continuous Diffusion Model for Concentration Dependence of Nitroxide EPR Parameters in Normal and Supercooled Water . (irb.hr)
  • Mitochondria-sarcomere diffusion distances were calculated by using serial block-face scanning electron microscopy. (ox.ac.uk)
  • 25. B.L. Silver, Z. Luz and C. Eden, Electron spin resonance of parabenzo-semiquininone-17O. (weizmann.ac.il)
  • However, the intrinsic broadening of the NMR resonances in the solid-state strongly affects both sensitivity and spatial resolution making still challenging the application of MRI to characterize the microstructure of materials. (panacea-nmr.eu)
  • Experimental measurements of the diffusion and structural relaxation is a fundamental prerequisite for the study of the glass transition. (tu-darmstadt.de)
  • These spectrometers are also equipped with laser heating static probes offering the unique capability worldwide to perform high temperature (up to 1400 °C) NMR measurements at very high magnetic field. (panacea-nmr.eu)
  • Internal sodium ions and water molecules in guanine quadruplexes: Magnetic relaxation dispersion studies of [d(G 3 T 4 G 3 )] 2 and [d(G 4 T 4 G 4 )] 2 . (lu.se)
  • Nanosecond to microsecond protein dynamics probed by magnetic relaxation dispersion of buried water molecules. (lu.se)
  • In her most recent research experiments, she's been using magnetoencephalography (MEG)-a relatively new neuroscience technology that measures magnetic fields generated by the activity of brain cells-to investigate how, where, and with what frequency babies from around the world process speech sounds in the brain when they are listening to adults speak in their native and non-native languages. (pharmaceuticalintelligence.com)
  • In QENS experiments of protein solutions hydrogens act as reporters for the motions of methyl groups or amino acids to which they are bound. (lu.se)
  • Using NSE experiments, we observed a high internal flexibility of the intrinsically disordered MBP and the denatured BSA in addition to centre-of-mass diffusion detected by dynamic light scattering. (lu.se)
  • We study the helimagnetic ground state of the MnGe cubic alloy using small-angle neutron scattering and a high-resolution method, the so-called MIEZE spectroscopy. (cea.fr)
  • Neutron Spin-Echo spectroscopy (NSE) on the other hand, offers the highest energy resolution in the field of neutron spectroscopy and allows the study of slow collective motions in proteins up to several hundred nanoseconds and in the nanometer length-scale. (lu.se)
  • This is because both resolution and sensitivity scale up with a magnetic field used in an NMR spectrometer. (spectroscopyeurope.com)
  • B) Profile of magnetic field magnitude along the axis of the spectrometer. (spectroscopyeurope.com)
  • Our thermometry technique has a strong temperature dependence and exploits self-diffusion, allowing us to produce thermal maps of gases in heterogeneous reactions. (confex.com)
  • with the ability to retain chemical information through the chemical shift of nuclei, MRI is a potentially transformative tool for operando spectroscopy of heterogeneous reactions. (confex.com)
  • Mathur sat in the Working Group on Materials and Components of Electronics Commission of the Government of India as well as in the editorial board of the Indian Journal of Chemistry. (wikipedia.org)
  • Spectroscopy in Inorganic Chemistry. (wikipedia.org)
  • Magnetic Resonance in Chemistry. (manchester.ac.uk)
  • Prof. Iwahara gives a seminar titled "Electrostatics of proteins and DNA by NMR Spectroscopy" at Department of Chemistry, University of Utah. (utmb.edu)
  • A most significant event for the Division of Physical Chemistry 1 during the last year was that we, together with groups at the Divisions of Theoretical Chemistry and Biophysical Chemistry of the Chemical Center, were awarded a Linné grant. (lu.se)
  • Median mitochondria-sarcomere diffusion distances correlated well with CK total activity (r=0.86, P=0.003). (ox.ac.uk)
  • Therein, we find the investigated approaches to determine diffusion coefficients and relaxation times acceptable within sometimes more stringent criteria. (tu-darmstadt.de)
  • Merunka, D. & Rakvin, B. (2009) Mechanism of quantum effects in hydrogen-bonded crystals of the K3H(SO4)2 group . (irb.hr)
  • Depolarized dynamic light scattering, broadband dielectric spectroscopy, rheology, and differential scanning calorimetry were employed to systematically study the influence of MW on the mechanism of ionic transport and segmental dynamics in these materials. (osti.gov)
  • A 31P-magnetic resonance spectroscopy and biochemical study of the mo(vbr) mouse: potential model for the mitochondrial encephalomyopathies. (ox.ac.uk)
  • EJF2: study conception, data en el hemicuello derecho con afectación del plexo braquial, adenopatías cervicales, infraclaviculares y axilares derechas. (bvsalud.org)
  • His association with scientific organizations include memberships in Indian Chemical Society, American Physical Society, American Association for the Advancement of Science, Magnetic Resonance Spectroscopy Association of India and the International Diffusion Research Association and the fellowship of Sigma Xi. (wikipedia.org)
  • Dr. Velan received his Ph.D. in Chemical Physics - Biophysics (Interdisciplinary) with a research focus in Magnetic Resonance from University of Madras, India (1997), and his Post-doctoral fellowship in MR methodologies at the NIH (1997-98). (selectbiosciences.com)
  • 31P-magnetic resonance spectroscopy (31P-MRS) provides new biochemical information on mitochondrial disorders affecting brain and muscle. (ox.ac.uk)
  • Figure 4 Metabolic fluxes of mitochondrial energy synthesis, measured by our group in the primate brain. (cea.fr)
  • This group includes lysosomal storage disorders, various mitochondrial diseases, other neurometabolic disorders, and several other miscellaneous disorders. (medscape.com)
  • The relaxation-weighted spectra allowed changes in low molecular weight compounds to be detected more clearly, whereas diffusion-edited spectra were used to characterise the plasma lipoprotein profile. (ua.pt)
  • The "active volume" (red square) represents a small portion of the sample, but many similar portions are still strongly polarised by the magnetic field. (spectroscopyeurope.com)
  • Broader involvement with the design and implementation of multicenter studies relevant to neurological infections is facilitated by Dr. Spudich's positions within the international AIDS Clinical Trials Group (ACTG) through an affiliation with the Cornell AIDS Clinical Trials Unit, and as CoPI of the NIH/NINDS-funded Yale NeuroNEXT clinical site. (yale.edu)
  • The unique strength of the group is the close collaboration between scientists and clinicians, incorporating respiratory and cardiovascular physiologists, neurologists, obstetricians and neonatologists, which focus the research on major clinical issues with rapid translation into improving the health and wellbeing of infants. (hudson.org.au)
  • But when protons are surrounded by a strong magnetic field, as in an MRI scanner, they line up with the magnetic field. (msdmanuals.com)
  • As the protons line up with the magnetic field again, they release energy (called signals). (msdmanuals.com)
  • While electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS) are both effective in treating depressive episodes, their mechanisms of action are, however, not completely understood. (biomedcentral.com)
  • Agar diffusion test and MTT assay were used to evaluate the antibacterial property and cell viability, respectively. (ac.ir)
  • and type IV become serogroup D. After the report of a fourth serogroup, Z′ (later shown to be serogroup E), 3 new serogroups (X- Z) were identified by using double agar diffusion ( 2 , 3 ). (cdc.gov)
  • Developing specialized acquisitions techniques for prostate cancer MRSI has been a major project for Dr. Vigneron and his group. (ucsf.edu)
  • Dr. Kozlowski also applies MRI and magnetic resonance spectroscopy technology to his prostate cancer research-his group has developed a novel MRI-based technique for diagnosing prostate cancer. (icord.org)
  • Traditional MRI thermometry techniques are impractical for gas-phase reactions due to weak temperature-dependence and rapid signal attenuation due to diffusion. (confex.com)
  • Together with our diffusion probe hardware, this new gradient amplifier will produce magnetic field gradients up to ~1600 gauss/cm, which is ~30-fold stronger than typical NMR instruments can produce. (utmb.edu)
  • We find that intermolecular contributions, inherent to the method, and fast end groups may result in deviations of the experimental data from theoretical predictions. (tu-darmstadt.de)
  • We are also developing new diffusion modeling strategies (in collaboration with Marco Palombo at University College London) to extract quantitative information about the cellular structure from experimental diffusion data. (cea.fr)
  • Journal of Magnetic Resonance. (manchester.ac.uk)
  • Journal of Magnetic Resonance Series A. 107:236-238. (manchester.ac.uk)
  • One ("Slow rotational dynamics of cytosine NH2 groups in double-stranded DNA") is for Biochemistry , and the other ("Diffusion NMR-based comparison of electrostatic influences of DNA on various monovalent cations") is for Biophysical Journal . (utmb.edu)
  • Journal of magnetic resonance (San Diego, Calif.), 228, 50-58 doi:10.1016/j.jmr.2012.12.016. (irb.hr)
  • Slow internal protein dynamics from water 1 H magnetic relaxation dispersion. (lu.se)
  • We are also looking at the possibility of evaluating the organization of the intracellular medium in an indirect way, by measuring via original diffusion-weighted spectroscopy techniques how this organization constrains the displacement of metabolites. (cea.fr)