Paramagnetic nuclear magnetic resonance spectroscopy. Medical search. Frequent questions

Isolated 1 was characterized by several forms of spectroscopy including nuclear magnetic resonance, electronic absorption, and mass spectrometry. (ku.edu)
Theoretical developments have gone hand in hand with developments in experimental methods, where the use of different forms of spectroscopy, such as infrared spectroscopy, microwave spectroscopy, electron paramagnetic resonance and nuclear magnetic resonance spectroscopy, is probably the most important 20th century development. (charterbusinessbundles.com)
The electron spin resonance spectrum of a free radical or coordination complex with one unpaired electron is the simplest of all forms of spectroscopy. (hospedagemdesites.ws)

The technique of the electron paramagnetic resonance supplemented by optical spectroscopy and nuclear magnetic resonance was studied to determine the magnetic properties of metal complexes that might prove important to the separation of the transition metals. (cdc.gov)
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)

Electron Paramagnetic Resonance is cited by a total of 19 articles during the last 3 years (Preceding 2022). (resurchify.com)
The impact score (IS) 2022 of Electron Paramagnetic Resonance is 1.50 , which is computed in 2023 as per its definition. (resurchify.com)

Examinations for SWS include plain skull radiography, computed tomography (CT) scanning, magnetic resonance imaging (MRI), angiography, and nuclear medicine studies. (medscape.com)

NMR results, supported by X-ray photoelectron spectroscopy and electron microscopy, reveal that the actual composition of the deposited layer is an amorphous Al-O-F phase. (weizmann.ac.il)
His work deals with themes such as Supramolecular chemistry and X-ray photoelectron spectroscopy, Analytical chemistry, which intersect with Electron paramagnetic resonance. (research.com)

In dynamic nuclear polarization nuclear magnetic resonance (DNP-NMR) experiments, the large Boltzmann polarization of unpaired electrons is transferred to surrounding nuclei, leading to a significant increase in the sensitivity of the NMR signal. (weizmann.ac.il)
Bridge12 specializes in instrumentation for magnetic resonance spectroscopy, in particular Nuclear Magnetic Resonance (NMR), Electron Paramagnetic Resonance (EPR) and Dynamic Nuclear Polarization (DNP) spectroscopy. (bridge12.com)
DNPLab is an object-oriented Open Source Python-based package for importing, processing, and analyzing data determined in a Dynamic Nuclear Polarization (DNP) experiment. (bridge12.com)
This note highlights Photo-CIDNP (Chemically Induced Dynamic Nuclear Polarization) as a focal point, revealing its applications in radical reactions, and molecular dynamics, and uncovering hidden pathways. (fcnmr.com)

The incorporation of paramagnetic Gd3+ confers proton relaxation enhancing properties to the system. (hal.science)
Nuclear magnetic resonance dispersion spectroscopy showed higher proton relaxivities for nanoparticles made up from Gd0.6Eu0.4VO4 than from pure GdVO4. (hal.science)
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)

Nonetheless spectra of paramagnetic compounds provide insight into the bonding and structure of the sample. (wikipedia.org)
The signals observed in in vivo carbon-13 nuclear magnetic resonance (13C NMR) spectra are from 'mobile' molecules, i.e. those with relatively unrestricted motion. (westminster.ac.uk)
He combines subjects such as Fibril, NMR spectra database, Hydrogen bond and Intermolecular force with his study of Solid-state nuclear magnetic resonance. (research.com)

Pseudocontact shifts result from magnetic anisotropy of the paramagnetic molecule. (wikipedia.org)
The direction of the ring current in an aromatic molecule is such as to generate a magnetic field that opposes the external field inside the ring (a 'diatropic' current), while the ring current in an antiaromatic molecule flows in the reverse direction ('paratropic')5. (peeksgroup.com)
Crystallography, Molecule, Ionic liquid, Inorganic chemistry and Nuclear magnetic resonance spectroscopy are his primary areas of study. (research.com)
His Molecule research includes themes of Pyridine, Ionic bonding, Electron paramagnetic resonance, Dithiocarbamate and Anisotropy. (research.com)
His main research concerns Ionic liquid, Crystallography, Nuclear magnetic resonance spectroscopy, Molecule and Thermal analysis. (research.com)

The molecular structure of the insoluble organic matter (IOM) from Murchison meteorite has been investigated by our group for several years using a large set of analytical methods including various spectroscopies (Fourier transform infrared spectroscopy, nuclear magnetic resonance, electron paramagnetic resonance, X-ray absorption near-edge spectroscopy), high resolution electron microscopy, and thermal (pyrolyses in the presence or not of tetramethylammonium hydroxide) and chemical (RuO 4 oxidation) degradations. (hal.science)
The detailed experimental examination of homogeneous pyrolysis of lignin in both gas-phase reactors by implication of diverse analytical techniques (gas chromatography, gel permeation chromatography, laser desorption/ionization, Fourier transform infrared spectroscopy, electron paramagnetic resonance, nuclear magnetic resonance) revealed break down of HL macromolecules into oligomer fragments after pyrolysis at negligible amounts of phenolics detected. (uky.edu)

They are large for many lanthanide complexes due to their strong magnetic anisotropy. (wikipedia.org)
The effect of the pseudocontact term arises from magnetic anisotropy of the paramagnetic center (reflected in g-anisotropy in the EPR spectrum). (wikipedia.org)
This anisotropy creates a magnetic field which supplements that of the instrument's magnet. (wikipedia.org)
His Ground state research incorporates a variety of disciplines, including Electron paramagnetic resonance and Magnetic anisotropy. (research.com)

Electron spin resonance (ESR) spectroscopy is also known as Electron paramagnetic resonance (EPR) It is absorption spectroscopy similar to NMR. (hospedagemdesites.ws)

Chemical shifts in diamagnetic compounds are described using the Ramsey equation, which describes so-called diamagnetic and paramagnetic contributions. (wikipedia.org)
DFT methods for predicting and rationalising the paramagnetic NMR shifts are developed, with experimental verifications on synthesised samples. (cam.ac.uk)

In order to obtain large polarization gains in the bulk of inorganic samples, paramagnetic metal ions are introduced as minor dopants acting as polarizing agents. (weizmann.ac.il)
The research focus of the facility is the important areas of: (1) fast data collection and automated data analysis, (2) technology for larger proteins and complexes, (3) investigations of metal-containing (paramagnetic) proteins, (4) dynamics of macromolecules, and (5) structure-function investigation of RNA molecules and their complexes with metal ions and proteins. (wisc.edu)

These methods were applied to the study of pressure dependences of electron-phonon interaction and interaction of paramagnetic ions. (donfti.ru)
This thesis presents a combined experimental and theoretical approach on studying Mg-ion battery electrode materials, where Nuclear Magnetic Resonance (NMR) spectroscopy plays a central role in identifying the local structure and dynamics of the magnesium ions. (cam.ac.uk)

His work deals with themes such as Supramolecular chemistry, Fibril, Scanning transmission electron microscopy, Intermolecular force and Nuclear magnetic resonance spectroscopy, which intersect with Solid-state nuclear magnetic resonance. (research.com)

In the late 1930s and early 1940s, the combination of work done by Isidor Rabi , Felix Bloch , and Edward Mills Purcell led to the development of nuclear magnetic resonance (NMR). (cloudfront.net)

In order to rationalize the origin of the difference in the efficiency of DNP in amorphous and crystalline inorganic matrices, we performed a detailed comparison in terms of their magnetic resonance properties. (weizmann.ac.il)
The concepts of his Inorganic chemistry study are interwoven with issues in Solid-state nuclear magnetic resonance and Aqueous solution. (research.com)

His research integrates issues of Conformational isomerism, Nuclear magnetic resonance spectroscopy, Intramolecular force and Analytical chemistry in his study of Electron paramagnetic resonance. (research.com)

The results of these studies were interpreted according to the ligand-field-theory model enabling considerable insight into the magnetic properties and structural nature of the metal chelates. (cdc.gov)
NMR spectroscopy is one of the most important contemporary approaches for sample testing and analysis, and structural determination. (ms-labs.cn)
A variety of imaging modalities, including structural and functional magnetic resonance imaging (MRI) and positron emission tomography (PET) studies of cerebral metabolism, have shown characteristic changes in the brain of patients with Alzheimer disease in prodromal and even presymptomatic states. (medscape.com)

The most prominent techniques are X-ray crystallography , nuclear magnetic resonance , and electron microscopy . (cloudfront.net)
The concepts of his Crystallography study are interwoven with issues in Unpaired electron, Doping and Nuclear Overhauser effect. (research.com)
His scientific interests lie mostly in Crystallography, Solid-state nuclear magnetic resonance, Peptide, Protein structure and Stereochemistry. (research.com)
His work carried out in the field of Crystallography brings together such families of science as X-ray crystallography, Thermal analysis, Solid-state nuclear magnetic resonance and Stereochemistry. (research.com)

15. Z. Luz, Nuclear magnetic resonance study of cobalt-chlorine complexes in methanol. (weizmann.ac.il)
Deoxyribonucleic acid (DNA) and bovine serum albumin (BSA) binding interactions for a series of ruthenium heterocyclic complexes were monitored using ultraviolet-visible (UV-Vis) spectrophotometry, fluorescence emission spectroscopy and agarose gel electrophoresis. (ru.ac.za)
Electron spin interaction, E diagram Pulsed Electron-Electron Double Resonance (PELDOR) pulse sequence February 7, 2018 Applications of dipolar spectroscopy to macromolecular complexes 4-pulse DEER sequence, DQ-EPR, SIFTER pulse sequences, Multi-spin effects Calculate the distance between pair of spin labels, Calculate the number of coupled spins Here, the electron Spin resonance spectroscopy (EPR) or sometimes known as electron spin resonance (ESR) will be discussed. (hospedagemdesites.ws)

His Photochemistry study combines topics from a wide range of disciplines, such as Pyrrolidine, Medicinal chemistry, Steric effects, Derivative and Nuclear magnetic resonance. (research.com)
His primary scientific interests are in Electron paramagnetic resonance, Ground state, Photochemistry, Diradical and Pyrroline. (research.com)

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)

In addition, the conference covers various topics in other Magnetic Resonance techniques, such as Magnetic Resonance Imaging, Multinuclear Magnetic Resonance, Electronic Paramagnetic Resonance, Double Resonance Electron Nucleus, Nuclear Quadrupole Resonance, and Mössbauer spectroscopy. (galoa.com.br)

While prior knowledge and skills in EPR, Overhauser DNP and solid-state NMR is appreciated, a general proficiency in magnetic resonance experiments and concepts, and willingness to perform and learn new experiments and methods, required to solve the scientific question at hand, will be valued most. (ieprs.org)
In one of the most fundamental experiments on the structure of matter, Stern and Gerlach showed that an atom with a net electron magnetic moment can take up only discrete orientations in a magnetic field. (hospedagemdesites.ws)

In 1972, Dr. Piette was awarded a Guggenheim Fellowship and spent a year in Paris and Grenoble developing novel biochemical applications of magnetic resonance spectroscopy. (rockychem.com)
NMRFAM supports applications of nuclear magnetic resonance (NMR) spectroscopy to biochemical and biological systems, in particular to structure-studies of biomacromolecules. (wisc.edu)

In particular, we paid more attention to characterize the defects with Electron Paramagnetic Resonance in links with the glass structure which was analyzed by Raman spectroscopy and Magic Angle Spinning Nuclear Magnetic Resonance. (hal.science)
Electron paramagnetic resonance (EPR) spectroscopy also known as electron spin resonance (ESR) spectroscopy has been used to characterize paramagnetic surface species for a long time. (hospedagemdesites.ws)

Thus, the applicant should have a broad interest in the field of catalysis, while it is expected that the applicant be an expert in magnetic resonance spectroscopy and methods. (ieprs.org)
The two main methods used are Nuclear Magnetic Resonance (NMR) spectroscopy and Electron Paramagnetic Resonance (EPR) spectroscopy. (ethz.ch)
Part I: Methods for the determination of protein structures in solution using nuclear magnetic resonance (NMR) spectroscopy. (ethz.ch)
Galkin was among the first who applied the methods of cyclotron resonance and magnetoacoustics to the study of the electron properties of metals. (donfti.ru)
A.A Galkin was of brilliant educational experience, so he was a professor, Head of Department of Radio Spectroscopy Methods and Low Temperature Physics at the University. (donfti.ru)
Our nuclear magnetic resonance (NMR) methods are changing this situation. (utmb.edu)

My current research focuses on the characterisation of both lithium- and sodium-ion battery materials both theoretically-using hybrid density functional theory (DFT) and cluster expansion methodologies-and experimentally-through electron paramagnetic resonance (EPR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy and magnetometry-to understand the electronic and magnetic structures of these materials. (ucsb.edu)
Here we show, using nuclear magnetic resonance spectroscopy and density functional theory, that a six-porphyrin nanoring template complex, with a diameter of 2.4 nanometres, is antiaromatic in its 4+ oxidation state (80 π electrons) and aromatic in its 6+ oxidation state (78 π electrons). (peeksgroup.com)

The antiaromatic state has a huge paramagnetic susceptibility, despite having no unpaired electrons. (peeksgroup.com)
Electron Paramagnetic Resonance (EPR), also called Electron Spin Resonance (ESR), is a branch of magnetic resonance spectroscopy which utilizes microwave radiation to probe species with unpaired electrons, such as radicals, radical cations, and triplets in the presence of an externally applied static magnetic field. (hospedagemdesites.ws)
Electron Spin Resonance (ESR) or Electron paramagnetic resonance Spectroscopy (EPR): powerful non-destructive magnetic resonance spectroscopic technique Used to analyse substance with one or more unpaired electrons and radicals Invented by Zavoiskii in 1944 Similar to Nuclear magnetic resonance (NMR) This technique offers detailed atomistic insights into the properties of the species, such as geometric and electronic structure or chemical environment. (hospedagemdesites.ws)

This thesis is devoted to the development and characterization of nanoparticles which can be applied as luminescent probes, for oxidant detection and as contrast agents in magnetic resonance imaging. (hal.science)
Coronal, T1-weighted magnetic resonance imaging (MRI) scan in a patient with moderate Alzheimer disease. (medscape.com)
Axial, T2-weighted magnetic resonance imaging (MRI) scan reveals atrophic changes within bilateral temporal lobes with prominence of the sylvian fissures. (medscape.com)
Numerous studies are under way to identify specific imaging markers for different types of dementia, including cerebral volumetric measurements, diffusion imaging, spectroscopy, very-high-field MRI scans of senile plaques, and PET scan markers of senile plaques. (medscape.com)

The difference between the chemical shift of a given nucleus in a diamagnetic vs. a paramagnetic environment is called the hyperfine shift. (wikipedia.org)
The isotropic hyperfine shift can be small or even close to zero for nuclei far away from the paramagnetic center, or in the range of several hundreds of ppm for nuclei in close proximity. (wikipedia.org)

After the end of irradiation, the total amount of paramagnetic defects decreases in 2 months and then remains stable. (hal.science)
Illuminated Nuclear Magnetic Resonance (NMR) merges NMR spectroscopy with light irradiation, opening avenues in chemical analysis. (fcnmr.com)

The magnetic field exerts its effect with both angular and a 1/r3 geometric dependences. (wikipedia.org)

3] Spectroscopy is the related sub-discipline of physical chemistry which is specifically concerned with the interaction of electromagnetic radiation with matter. (charterbusinessbundles.com)

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)

[1] Likewise, NMR spectroscopy allowed information about protein structure and dynamics to be obtained. (cloudfront.net)
Field dependence of spin relaxation in paramagnetic systems is contributed by the electronic effect and sometimes molecular dynamics. (fcnmr.com)

We use NMR spectroscopy for such characterizations of the positively or negatively charged groups of proteins and nucleic acids. (utmb.edu)
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)

Shown figure is the simulated trend for the enhancement due to the solid-state photo-CIDNP effect as a function of the magnetic field for two selected nuclei from the donor (PM) and the acceptor (Φ) cofactors. (fcnmr.com)

Although most NMR measurements are conducted on diamagnetic compounds, paramagnetic samples are also amenable to analysis and give rise to special effects indicated by a wide chemical shift range and broadened signals. (wikipedia.org)
Using measurements of paramagnetic relaxation enhancement, peptides were confirmed to be embedded in micelles. (rcsb.org)

Paramagnetic relaxation enhancement (PRE) is a useful source of information about electron-nucleus distances and also provides estimates of electron relaxation rates. (fcnmr.com)

28. Z. Luz, B.L. Silver and D. Fiat, O-17 nuclear magnetic resonance of manganese (III) tris(acetyacetonate). (weizmann.ac.il)

To probe the two-stage model, the structures of peptides representing individual transmembrane helices of the disulfide bond forming protein B have been studied in trifluoroethanol solution as well as in detergent micelles using nuclear magnetic resonance (NMR) and circular dichroism spectroscopy. (rcsb.org)

As a part of the same scientific family, he mostly works in the field of Ionic liquid, focusing on Nuclear magnetic resonance spectroscopy and, on occasion, Ionic bonding, Polymer and Ion. (research.com)
Electric Field Effects on Photoluminescence-Detected Magnetic Resonance of a π-Conjugated Polymer. (utah.edu)

In this equation, paramagnetic refers to excited state contributions, not to contributions from truly paramagnetic species. (wikipedia.org)

Combing with scanning tunneling spectroscopy (STS), which can detect the electrical and magnetic properties of single molecules (such as molecular energy levels, spin states, ferromagnetic interactions, etc. (ms-labs.cn)

Complex studies of matter under extreme conditions have become a brand of the institute, including investigations employing low temperatures, high pressures and strong magnetic fields that got a world-wide fame to the institute. (donfti.ru)

abstract = "Four derivatives of the bioactive fragment 6-11 of Substance P were characterized by means of one- and two-dimensional 1H n.m.r. spectroscopy. (nyu.edu)

Persistent currents in non-molecular rings switch direction as a function of the magnetic flux passing through the ring, so that they can be changed from diatropic ('aromatic') to paratropic ('antiaromatic') simply by changing the external magnetic field. (peeksgroup.com)
Printing Air-Stable High-Tc Molecular Magnet with Tunable Magnetic Interaction. (utah.edu)

Paramagnetic nuclear magnetic resonance spectroscopy refers to nuclear magnetic resonance (NMR) spectroscopy of paramagnetic compounds. (wikipedia.org)

Indirect evidence of backbone folding for these hexapeptides was given by temperature coefficients and paramagnetic relaxation rate enhancements of the amide protons. (nyu.edu)

His works on the study of a new state of the material induced by strong magnetic field were the first awarded by K.D. Sinelnikov Prize of the AS of USSR. (donfti.ru)
This work begins by a systematic study of 25Mg solid-state NMR in paramagnetic oxides, where the presence of transition metals makes them suitable for applications in high-voltage cathode materials. (cam.ac.uk)
11. Z. Luz and S. Meiboom, Nuclear magnetic resonance study of the solvation of Co++ in methanol-water mixtures. (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)
Ref: supplimental data from Scientific Reports 7, 12111 (2017)] The following studies open different windows of applications on field-cycling NMR on the study of nuclear hyperpolarization. (fcnmr.com)

g Value and the factors affecting it 18 The principles of this form of spectroscopy are much the same as of NMR spectroscopy, but the language used by the practitioners of these two forms of magnetic resonance spectroscopy is different. (hospedagemdesites.ws)

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)

Owing to rapid spin relaxation, the electron-nuclear coupling is not observed in the NMR spectrum, so the affected nuclear resonance appears at the average of the two coupled energy states, weighted according to their spin populations. (wikipedia.org)

A.A GAlkin was the first who started the application of magnetoacoustics, tunnel spectroscopy, electron paramagnetic resonance, antiferromagnetic resonance, nuclear magnetic resonance in the conditions of low temperature and high pressures. (donfti.ru)
Previous reports on variable-temperature 25Mg NMR spectroscopy is validated by DFT calculations on the migration barrier and defect energetics. (cam.ac.uk)

Ultraviolet-visible-near-infrared (UV-Vis-NIR), electron paramagnetic resonance (EPR), and 1H nuclear magnetic resonance (NMR) spectroscopies all confirm the capture of redox-active rotaxanes within the mesoscale hexagonal channels of NU-1000. (york.ac.uk)

Pushing the Envelope of Nuclear Magnetic Resonance Spectroscopy for Paramagnetic Systems. (ens-lyon.fr)
To diminish differences in the DNP performance arising from distinct nuclear interactions, glass and crystal systems of similar compositions were chosen, Li2OCaO·2SiO2 and Li2CaSiO4, respectively. (weizmann.ac.il)
This issue shows two papers investigated paramagnetic systems in a wide field range to tens of Tesla range. (fcnmr.com)

Perdeuteration of poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (d-MEHPPV): control of microscopic charge-carrier spin-spin coupling and of magnetic-field effects in optoelectronic devices. (utah.edu)
This application note provides a comprehensive overview of hardware development for sample shuttling in high-field Nuclear Magnetic Resonance (NMR) spectroscopy. (fcnmr.com)
These advancements provide researchers with options to enhance data collection and explore new avenues in high-field NMR spectroscopy. (fcnmr.com)
In their studies of field range from 0.2 to 20 Tesla, the reaction center of bacterial Rhodobactor(R.) spheroids wildtype showed the significant CIDNP enhancement on the magnetic field 5 Tesla, i.e. around 200MHz. (fcnmr.com)
Since the magnetic field interacts with the spin, the spin of the system has to be nonzero. (hospedagemdesites.ws)

We find that the drop in enhancement in glasses can be attributed to three main factors: shorter nuclear and electron relaxation times as well as the dielectric properties of glass and crystal. (weizmann.ac.il)

Anatomy12

Organisms8

Diseases6

Chemicals and Drugs110

Analytical, Diagnostic and Therapeutic Techniques and Equipment57

Phenomena and Processes52

Disciplines and Occupations7

Technology, Industry, Agriculture3

Information Science11

Health Care8

Forms of spectroscopy3

Optical spectroscopy2

20222

Computed tomography1

Photoelectron spectroscopy2

Dynamic nuclear pola4

Proton4

Spectra3

Molecule5

Fourier2

Anisotropy4

Absorption1

Shifts2

Metal ions2

Ions2

Intersect1

Edward Mills P1

Inorganic2

Analytical Chemistry1

Structural3

Crystallography4

Complexes3

Photochemistry2

Intramolecular1

Double Resonance1

Experiments2

Biochemical2

Characterize2

Methods6

Density functi2

Unpaired electrons3

Imaging4

Hyperfine2

Irradiation2

Dependences1

Chemistry1

Aqueous solution1

Dynamics2

Proteins2

Nuclei1

Measurements2

Nucleus1

Manganese1

Protein1

Polymer2

Equation1

Molecules1

Investigations1

Abstract1

Molecular2

Compounds1

Protons1

Study5

Principles1

Hydrogen2

Spin relaxation1

Temperature2

Rotaxanes1

Systems3

Field5

Electron relaxation1