Paramagnetic Resonance SpectroscopyMass spectrometryPulsed Electron-Electron Double ResonanceMicroscopyRamanDouble ResonanceAbsorptionLaser spectroscopyPhotoelectron spectroscopyRadicalsSpectraAtomsSpectralSpectroscopic techniqueProbeMembraneQuantumOxidationIonsInorganicOrganicIntermolecularInteractionsNegatively chargedStructuralInteractionSpectrometerSmall MoleculesProtonPhotoemissionAqueous SolutionLabelsSingle moleculComplexesSpectrumWater moleculesRadicalWileyDynamicsOpticalPrinciplesNitroxideRelaxationElectromagneticNuclear magneticAmino acidsFreeProteins1992PrincipleTripletBiologyParametersFrequencyStructureBiologicalPhotoluminescenceReaction
Paramagnetic Resonance Spectroscopy5
- 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)
- Amphiphilic guest molecules do partition into membranes and oil bodies, as demonstrated by the results of in vivo electron paramagnetic resonance spectroscopy on incorporated spin probes. (wur.nl)
- Prof. Wasielewski's research centers on light-driven charge transfer and transport in molecules and materials, photosynthesis, nanoscale materials for solar energy conversion, spin dynamics of multi-spin molecules, molecular materials for optoelectronics and spintronics, and time-resolved optical and electron paramagnetic resonance spectroscopy. (rutgers.edu)
- A combination of molecular simulation with hydrogendeuterium-exchange mass spectrometry and electron paramagnetic resonance spectroscopy reveal an asymmetry across the membrane: ATP-induced conformational changes in the cytosolic cavity promote unfolded pre-protein structure, while the exterior cavity favours its formation. (elifesciences.org)
- Electron paramagnetic resonance spectroscopy was used to gain information on the use of isocyanide dichlorides as a source of chlorine radicals. (gla.ac.uk)
Mass spectrometry1
- As the basis for high-quality fluorescence measurements, the widely used class of cyanine fluorophores is investigated with optical spectroscopy, mass spectrometry, and NMR spectroscopy. (uni-muenchen.de)
Pulsed Electron-Electron Double Resonance2
- 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)
- In order to unravel photophysical effects from biological findings, pulsed electron-electron double resonance spectroscopy is used as a complementary technique to FRET for the investigation of protein conformation by the attachment of - in this case - spin labels. (uni-muenchen.de)
Microscopy10
- Another critical tool in structural biology, (cryo) electron microscopy (EM), permits high-resolution three-dimensional structural analysis of proteins, protein complexes, phages and viruses, macromolecular assemblies, cellular organelles, and bacterial cells. (pitt.edu)
- Recently, the combination of scanning tunnelling microscopy with ESR has proved to be a powerful tool to image and coherently control individual atomic spins on surfaces. (ewha.ac.kr)
- Fluorescence spectroscopy and microscopy are indispensable tools in numerous research fields and modern medicine, including molecular biology, biophysics, and biochemistry. (uni-muenchen.de)
- Applications stretch from microscopy and spectroscopy with single molecule detection to sensor technology and the development of novel fluorescent probes. (uni-muenchen.de)
- This work contribute to a fundamental investigation and spectroscopic characterization of established as well as newly available fluorescent probes for single-molecule microscopy. (uni-muenchen.de)
- In this thesis, I focus on the design and analysis of solution-based single-molecule experiments of Förster resonance energy transfer (FRET) via confocal microscopy to study the dynamics of multiple binding proteins as exemplary biological systems. (uni-muenchen.de)
- The advantages of fluorescence lifetime imaging microscopy (FLIM) for visualization, and electron paramagnetic resonance (EPR) spectroscopy for quantification are complementary. (fu-berlin.de)
- Particle sizes of m-HA were evaluated using electron microscopy, which showed varying sizes, the smallest of which was 100nm in diameter. (jcadonline.com)
- We use time-resolve photoemission electron microscopy (TR-PEEM), where fs time resolution is provided by fs pulses and spatial resolution is provided by PEEM to investigate charge carrier dynamics in semiconductor and plasmonic nanomaterials. (lu.se)
- We apply photoluminescence (PL) microscopy and micro spectroscopy to rationalize the recombination pathways of free charge carriers at the conditions of constantly evolving defect types and concentrations. (lu.se)
Raman1
- The interaction of electromagnetic radiation with these molecular energy levels constitutes the basis for electron spectroscopy , visible, infrared (IR) and ultraviolet (UV) spectroscopies, Raman spectroscopy, and gas-phase microwave spectroscopy. (britannica.com)
Double Resonance1
- Double resonance stechniques: ENDOR in liquid solution, ENDOR in powers and non-oriented solids. (iitk.ac.in)
Absorption7
- Electron spin resonance (ESR) spectroscopy is also known as Electron paramagnetic resonance (EPR) It is absorption spectroscopy similar to NMR. (hospedagemdesites.ws)
- Optical absorption, electron paramagnetic resonance and NMR spectroscopy have revealed that the heme groups of both sensor domains are high-spin and low-spin in the oxidized and reduced forms, respectively, and that the spin-state interconversion involves a heme axial ligand replacement. (rcsb.org)
- Multi-photon absorption of molecules (P. Cronstad et al . (elsevier.com)
- I conducted a comprehensive comparison between Alexa Fluor and AF dyes by continuous-wave absorption and emission spectroscopy, determination of quantum yield, fluorescence lifetime and anisotropy spectroscopy of free and protein-attached dyes to understand the impact of the location of negatively charged sulfonated groups on the overall photophysical behavior and its implications for single-molecule FRET (smFRET) measurements. (uni-muenchen.de)
- Molecular spectra result from either the absorption or the emission of electromagnetic radiation as molecules undergo changes from one quantized energy state to another. (britannica.com)
- Molecular spectra are observed when a molecule undergoes the absorption or emission of electromagnetic radiation with a resulting increase or decrease in energy. (britannica.com)
- The change in the oxidation state of the iron redox center is studied by X-ray absorption near-edge structure (XANES) spectroscopy, showing that 23% of the Fe(III) is reduced to Fe(II). (lsu.edu)
Laser spectroscopy2
- These calculations aid in the interpretation of a wide range of spectroscopy including electron spin resonance, nuclear magnetic resonance and magnetic circular dichroism and general laser spectroscopy. (elsevier.com)
- The purpose of this laboratory exercise is to illustrate how we may investigate tiny energy splittings in an atomic system using laser spectroscopy. (lu.se)
Photoelectron spectroscopy1
- 3. Surface composition analysis using X-ray photoelectron spectroscopy. (kiev.ua)
Radicals11
- It is a blue liquid that is used in chemical research as a spin trap, i.e. it binds to radicals. (wikipedia.org)
- This molecule traps unstable free radicals to form stable paramagnetic nitroxide radicals that can be detected and analyzed by electron spin resonance spectroscopy. (wikipedia.org)
- 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)
- An important method of studying radicals is electron-spin resonance (ESR) spectroscopy. (hospedagemdesites.ws)
- Prof. Bowman's research interests center on free radical reactions in proteins and other ordered but non-crystalline environments and on the application of pulsed EPR spectroscopy to determine the structure and function of enzymes, free radicals and materials. (ua.edu)
- Electron Paramagnetic Resonance (EPR) is a branch of spectroscopy that observes the spin of unpaired electrons in free radicals, excited states of molecules, metal ions and magnetic materials. (ua.edu)
- The technique had high potential for determining the structural and magnetic resonance properties and the reactivity of the radicals of proteins, nucleic acids and their building blocks. (europa.eu)
- Determining the structure and magnetic resonance parameters of radicals formed in this way, as well as the kinetics of multistep reactions of peptides and oligonucleotides. (europa.eu)
- The generation of thiyl and tyrosyl radicals is consistent with the observed consumption of cysteine and tyrosine residues, the detection of di-tyrosine by HPLC and the detection of both reducible (disulfide bond) and non-reducible cross-links between myosin molecules by SDS/PAGE. (ku.dk)
- Spin labels are molecules containing sites with unpaired electrons, usually stable nitroxide free radicals, and generate a paramagnetic center that can be probed using magnetic resonance spectroscopy. (glenresearch.com)
- The organic radicals, such as methyl radicals, have a g-value very close to the free-electron g e value. (chemistrywithwiley.com)
Spectra5
- ESR spectra measured in molecular systems, however, are established on large ensembles of spins and usually require a complicated structural analysis. (ewha.ac.kr)
- The work involved the application of the nuclear magnetic resonance (NMR) technique termed Chemically induced dynamic nuclear polarisation (CIDNP) that allowed for high sensitivity and spectral resolution in crowded spectra combined with optical initiation of chemical intermediates. (europa.eu)
- The emphasis is on obtaining and interpreting some types of spectra often met in the laboratory that can be applied in solving problems related to structure and behaviour of organic and inorganic molecules. (edubilla.com)
- Here, we exploit the rapid T-1 relaxation of these materials to obtain C-13 NMR spectra using a spin-echo pulse sequence at natural abundance levels, and employ frequency-stepped acquisition to ensure uniform excitation of resonances over a wide frequency range. (st-andrews.ac.uk)
- We then utilise selective C-13 isotopic labelling of the organic linker molecules to enable an unambiguous assignment of NMR spectra of both MOFs for the first time. (st-andrews.ac.uk)
Atoms4
- Control of the material world at the scale of atoms and molecules can produce materials with fundamentally different properties and behavior and has been touted as the next technological revolution. (beloit.edu)
- As is the case with atoms, the allowed energy states of a molecule are quantized ( see above Basic properties of atoms ). (britannica.com)
- The additional complexities are due to interactions of the various nuclei with each other and with the electrons, phenomena which do not exist in single atoms . (britannica.com)
- In general, the computational load rises rapidly with the number of atoms and electrons considered and therefore, only rather small systems can be studied accurately. (lu.se)
Spectral1
- Cu(II)-based MOFs) pose a considerable challenge, not only for spectral acquisition, but also in the assignment and interpretation of the spectral resonances. (st-andrews.ac.uk)
Spectroscopic technique1
- Electron spin resonance (ESR) is a non-invasive magnetic-resonance-based spectroscopic technique. (vutbr.cz)
Probe5
- To achieve that goal, spin labelling specific for glycosylation sites in combination with EPR spectroscopy was utilized to probe glycoprotein structural changes under O-glycosylation. (uni-konstanz.de)
- Here, we solved this problem and present the molecular design of a dual label (DL) compound comprising a highly fluorescent dye together with an EPR spin probe, which also renders the fluorescence lifetime to be concentration sensitive. (fu-berlin.de)
- and scanning electron or probe microscopies. (beloit.edu)
- We present low-energy muon-spin rotation measurements on Cu/Nb/AlOx/Co thin films that probe the newly described electromagnetic (EM) proximity effect. (st-andrews.ac.uk)
- The shielding tensor can thus be used measurements of spin relaxation rates, which, through their as a probe of intermolecular structure and interactions in liquids second-order dependence on the spin Hamiltonian, contain and solids. (lu.se)
Membrane2
- The 30-kDa membrane-bound c-type cytochrome protein of mitochondria that functions as an electron donor to CYTOCHROME C GROUP in the mitochondrial and bacterial RESPIRATORY CHAIN. (lookformedical.com)
- Current research focuses on the cytochrome bc1 complex which sits in the mitochondrial membrane and uses electron transport to pump protons across the membrane and provide the driving force for ATP synthase. (ua.edu)
Quantum3
- A proton is charged particle and it spins due to which a magnetic field is produced giving rise to a magnetic movement 'μ' the direction of μ will be along the axis of spin, depending on whether the spin is clockwise or anticlockwise (the spin quantum number is + ½ or - ½ respectively). (chemistrywithwiley.com)
- In theory, the translational energy of molecules through space is also quantized, but in practice the quantum effects are so small that they are not observable, and the motion appears continuous. (britannica.com)
- By imbuing molecular spins with optical initialization and readout mechanisms, analogous to solid-state defects, molecules could be integrated into existing quantum infrastructure. (northwestern.edu)
Oxidation3
- It catalyzes the six-electron oxidation of AMMONIA to nitrite. (lookformedical.com)
- The oxidation channel via electron transfer from the amino group was revealed. (europa.eu)
- The dependences of the nature, electronic relaxation, dynamics of paramagnetic centers, and the charge transfer mechanism on the method of synthesis, the structure of the acid molecule, and the polyaniline oxidation level are shown. (researchgate.net)
Ions2
- 20. Z. Luz and R.G. Shulman, Proton magnetic resonance shifts in aqueous solutions of paramagnetic metal ions. (weizmann.ac.il)
- In the case of the transition metal ions and their complexes, there is considerable interaction between the spin and the orbital motion of the electron, which prevents the complete quenching of the orbital contribution. (chemistrywithwiley.com)
Inorganic2
- NMR Spectroscopy is one of the most important and powerful techniques used in organic chemistry for structural elucidation of Organic (and inorganic) compounds and biomacromolecules. (chemistrywithwiley.com)
- 2). Nuclear Magnetic Resonance spectrometer Bruker AVANCE 400 is designed for structural and dynamic researches at the nanoscale in solids, inorganic, organic materials and liquid-phase systems, for study of molecules and molecular systems structure and properties. (kiev.ua)
Organic8
- Application of 1H and 13C NMR spectroscopy including COSY, NOESY, NOE techniques in the structural determination of complex organic systems. (iitk.ac.in)
- Fragmentation and rearrangements (including McLafferty rearrangement) of different classes of organic molecules. (iitk.ac.in)
- Molecule-based magnetic materials: organic magnets and single molecule magnets. (iitk.ac.in)
- However, the switching of spin states in all-organic molecules is challenging. (hu-berlin.de)
- Oliver Dumele and his team have synthesized an all-organic molecular spin-state switche that can be switched from a diamagnetic to a paramagnetic form. (hu-berlin.de)
- The electrochemical redox reactions of organic polymers bearing robust unpaired electrons were investigated to determine the applicability of these polymers to rechargeable batteries. (go.jp)
- The electron-transfer mechanism and recent developments that should lead to the practical application of the organic radical battery are also described. (go.jp)
- Solid-state C-13 magic-angle spinning (MAS) NMR spectroscopy is used to investigate the structure of the Cu(II)-based metal-organic frameworks (MOFs), HKUST-1 and STAM-1, and the structural changes occurring within these MOFs upon activation (dehydration). (st-andrews.ac.uk)
Intermolecular3
- 2. investigation of structure, i.e. surface accessibility and confinement, and dynamic processes, i.e. intermolecular electron and proton transfer, in native and ill defined partly folded and denatured states of proteins as promising new applications. (europa.eu)
- 4. Investigation of atomic structure (short-range and long-range order), electronic structure and electron-nuclear system dynamics (nuclear spin, magnon and phonon subsystems, atomic, molecular and fragmentary movement, interatomic and intermolecular interactions) by NMR spectroscopy. (kiev.ua)
- This intermolecular contribution to hydrogen-bond geometry in a quantitative way even for to the shielding tensor is due to induced electronic currents in condensed phases.8-12 To fully capitalize on these theoretical nearby molecules and to the perturbing effect of intermolecular advances, one would like to experimentally determine the interactions on the electron distribution and nuclear geometry shielding anisotropy in liquids. (lu.se)
Interactions9
- Here we extend this technique to single coordination complexes-iron phthalocyanines (FePc)-and investigate the magnetic interactions between their molecular spin with either another molecular spin (in FePc-FePc dimers) or an atomic spin (in FePc-Ti pairs). (ewha.ac.kr)
- A theoretical model to calculate fundamental physical parameters for molecule-particle interactions (A. Gross, K.V. Mikkelsen). (elsevier.com)
- Analysis of spin-spin interactions does not show the close contact between same residues that is characteristic of the parallel, in-register structure commonly found in amyloids. (caltech.edu)
- The existence of spin-spin interactions in this region suggests that such contacts could be made between N-terminal domains from different molecules. (caltech.edu)
- NMR spectroscopy provides information about desired molecules and the environment based on the interactions of nuclear magnetic moments with electromagnetic radiation. (chemistrywithwiley.com)
- The other encompasses the interactions of nuclear magnetic and electrostatic moments with the electrons and with each other. (britannica.com)
- The second set of molecular interactions form the basis for nuclear magnetic resonance (NMR) spectroscopy, electron spin resonance (ESR) spectroscopy, and nuclear quadrupole resonance (NQR) spectroscopy. (britannica.com)
- Hyaluronic acid (HA), a macromolecule, plays a vital role in the synthesis of extracellular matrix molecules and epidermal cell interactions with the surrounding environment. (jcadonline.com)
- However, interactions between nuclei and unpaired electrons in paramagnetic systems (e.g. (st-andrews.ac.uk)
Negatively charged2
- If the molecular species is excessive in electrons, it will be negatively charged, and if it is insufficient, it will be positively charged. (als-japan.com)
- A molecule is a collection of positively charged atomic nuclei surrounded by a cloud of negatively charged electrons . (britannica.com)
Structural2
- Here we used site-directed spin labeling and electron paramagnetic resonance (EPR) spectroscopy to study the structural features of huntingtin exon 1 (HDx1) containing 46 glutamine residues in its polyglutamine (polyQ) region. (caltech.edu)
- The research activity focussed on experimental study of the structural and dynamic properties of short-lived intermediates of biologically important molecular systems and photoprocesses using novel techniques of magnetic resonance spectroscopy. (europa.eu)
Interaction6
- The proper folding of proteins determines the correct fashion of its interaction with other molecules and myriad of vital cellular processes in biological systems. (uni-konstanz.de)
- They were based on the effects of electron and nuclear spins in particular and on magnetic interaction in general, on the rates and yields of chemical and biological reactions. (europa.eu)
- 6. it was also shown that spin-spin interaction induced polarisation transfer in diamagnetic states and essentially affected field dependences of hyperpolarisation when the condition of strong coupling was fulfilled. (europa.eu)
- The first two arise, respectively, from the interaction of the magnetic moment of a nucleus or an electron with an external magnetic field . (britannica.com)
- The nature of this interaction is highly dependent on the molecular environment in which the nucleus or electron is located. (britannica.com)
- 85Rb), arising from the interaction of the magnetic field created by the orbiting electrons and the magnetic moment due to the nuclear spin. (lu.se)
Spectrometer1
- We measured the static spin properties as well as the spin coherence time of 1 demonstrating coherent control of this spin qubit with a 240 GHz electron paramagnetic resonance spectrometer powered by a free electron laser. (northwestern.edu)
Small Molecules1
- Response of a molecule to adding or removing an electron (J. Simons).A non-iterative numerical solver of Poisson and Helmholtz equations using high-order finite-element functions (R.J.F. Berger, D. Sundholm).Some trends in relativistic and electron correlation effects in electric properties of small molecules (M. Urban, V. Kellö).Restricted density functional response theory for open-shell systems (Z. Rinkevicius et al . (elsevier.com)
Proton5
- 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)
- I = + ½ clockwise spin of proton, μ is directing downwards. (chemistrywithwiley.com)
- 2) If the spin is such that the magnetic field, produced by the proton is in the opposite direction as the external magnetic field (opposing orientation) then the energy of the system is increased and the system is unstable [E = + μH), '+ ve sign' indicates higher energy system. (chemistrywithwiley.com)
- When a spinning proton is placed in an external magnetic field then the axis of spin inscribes a circular path about the axis of the external magnetic field and such a motion is called Larmor'sprecessional motion . (chemistrywithwiley.com)
- by measuring the proton spin relaxation rate as a function of magnetic induction field in a water sample where dipole-dipole couplings are suppressed by H/D isotope dilution. (lu.se)
Photoemission1
- X-ray photoemission spectroscopy (XPS) results confirm the XANES results. (lsu.edu)
Aqueous Solution1
- 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)
Labels7
- Electron Paramagnetic Resonance (EPR) spectroscopy is a sensitive technique for the characterization of materials and has been used to determine the molecular environment of spin labels 1,2 , including the location, orientation and motion of spin labels within biomolecules. (glenresearch.com)
- Consequently, spin labels localized within biomolecules can act as bioorthogonal chemical reporters for studying the structure and dynamics of biomolecules using EPR spectroscopy. (glenresearch.com)
- Spin labels can be easily incorporated into biomolecules by covalent attachment using Click Chemistry. (glenresearch.com)
- The wide variety of alkyne modifications already available from Glen Research offers a diverse set of options for site-specific conjugation of spin labels to oligonucleotides. (glenresearch.com)
- As shown in Figure 1, we offer two new nitroxide spin labels, TEMPO Azide (1) and TEMPO-TEG Azide (2), compatible with Click Chemistry for site directed spin labelling (SDSL). (glenresearch.com)
- We have used these spin labels with 5-ethynyl-dU, our Copper-Free DBCO click labels, our Oligo Click Kits, and using copper sulfate mediated Click Chemistry. (glenresearch.com)
- We hope that the addition of these new spin labels, along with 5-Ethynyl-dU, will prove valuable to the growing field of EPR spectroscopy. (glenresearch.com)
Single molecul1
- According to the researchers, this type of spin-state switching could be useful to obtain single-molecule magnets for applications in, e.g., spintronics or data storage. (hu-berlin.de)
Complexes3
- 15. Z. Luz, Nuclear magnetic resonance study of cobalt-chlorine complexes in methanol. (weizmann.ac.il)
- This work demonstrates that trigonally symmetric, heteroleptic V3+ complexes are candidates for optical spin addressability. (northwestern.edu)
- Once the dry micronized molecules are embedded in solution before being incorporated into the cream, they immediately react with water and aggregate into bulky HA complexes, which are, once again, too large to permeate the skin. (jcadonline.com)
Spectrum3
- 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)
- These tools bridge a critical gap in imaging in the biomedical size spectrum, between molecules at atomic resolution (X-ray and NMR) and the visualization of cells and tissues by light microscopic and conventional electron microscopic methods. (pitt.edu)
- There was linear correlation between hyperfine coupling constants and polarisation amplitude for the geminate reaction products yielding the sign and value of hyperfine coupling constants (HFCC) while the position and coupling in NMR spectrum provided assignment of individual nuclear spins in the molecule. (europa.eu)
Water molecules1
Radical3
- This reaction pathway led to the formation of triplet spin-correlated radical pair of anion radical of CBP and N-centered aminium cation radical which deprotonated within tens of nanoseconds. (europa.eu)
- Multiple radical species have been detected by EPR in both the presence and the absence of spin traps. (ku.dk)
- The formation and characterization of the EPFRs is determined by electron paramagnetic resonance (EPR) spectroscopy, showing phenoxyl-type radical with a g-factor of 2.0034 and ΔHP-P of 6.1 G at an average concentration of 7.5 × 10(17) spins per g. (lsu.edu)
Wiley1
- Carbon-13 Nuclear Magnetic Resonance Spectroscopy, G. C. Levy, R. L. Lichter and G. L. Nelson, Wiley, 1980. (iitk.ac.in)
Dynamics1
- Furthermore, the development of quantitative single-molecule fluorescence measurements enables a systematic assay design and standardized measurement routines for quantitative measurements of protein conformation and dynamics. (uni-muenchen.de)
Optical3
- Thus it is presently possible to calculate for example excitation energies, linear and nonlinear optical properties, one- and multi-photon transition rates, and magnetically induced transition moments for a wide range of molecules and target accuracies. (elsevier.com)
- 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)
- Using variable magnetic field PL spectroscopy, we resolved emission into each of the ground-state spin sublevels, a crucial component for spin-selective optical initialization and readout. (northwestern.edu)
Principles1
- 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)
Nitroxide1
- O-GlcNAcylated proteins in cooperation with bioortogonal nitroxide spin-labeling (SL) was utilized to enable mapping of O-GlcNAc to specific serine/threonine residues within proteins of interest to facilitate functional studies. (uni-konstanz.de)
Relaxation1
- Recently, the spin label 2,2,6,6- tetramethylpiperidine 1-oxyl (TEMPO) has been used to determine RNA structure using paramagnetic relaxation enhancement (PRE). (glenresearch.com)
Electromagnetic2
- Conversely, the application of electromagnetic radiation of frequency ν to a molecule in energy state E hi can result in the emission of additional radiation of frequency ν as the molecule undergoes a transition to state E lo . (britannica.com)
- Also a molecule in an excited (high) energy state can spontaneously emit electromagnetic radiation, returning to some lower energy level without the presence of inducing radiation. (britannica.com)
Nuclear magnetic14
- Nuclear Magnetic Resonance Spectroscopy: Introduction. (iitk.ac.in)
- This book brings together the three branches of magnetic resonance spectroscopy namely, electron spin resonance (ESR), nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) and presents a coherent and progressive coverage of the subject in a simple and lucid style. (edubilla.com)
- 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)
- 11. Z. Luz and S. Meiboom, Nuclear magnetic resonance study of the solvation of Co++ in methanol-water mixtures. (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 spectroscopy i.e. (chemistrywithwiley.com)
- In particular, they are and nuclear magnetic resonance (NMR) refinement. (lu.se)
Amino acids1
- 3. modelling of non-enzymatic Deoxyribonucleic acid (DNA) repair via electron transfer from amino acids to the oxidised purine nucleotides that we recently found as a prototype of fast chemical repair of radiation induced damages of DNA and extending the findings to systems with increased complexity within the frame of proteomic research on peculiarities of recognition and processing of DNA substrate. (europa.eu)
Free3
- Because of this reason, the system having free electrons or unpaired electrons is required for this spectroscopic study. (hospedagemdesites.ws)
- For free electron, g e = 2.303. (chemistrywithwiley.com)
- In the gas phase, where they are widely separated relative to their size, molecules can undergo free rotation and as a result possess quantized amounts of rotational energy. (britannica.com)
Proteins2
- 1. study of photochemical reactions involving proteins and protein related molecules. (europa.eu)
- In the present study, the nature of the transient species generated on myosin as a result of the reaction with activated haem proteins (horseradish peroxidase/H2O2) and met-myoglobin/H2O2) has been investigated by EPR spectroscopy and amino-acid consumption, product formation has been characterized by HPLC, and changes in protein integrity have been determined by SDS/PAGE. (ku.dk)
19921
- Formally, this redox change involves a single-electron, reversible equilibrium between the Fe(II) and Fe(III) states of the central iron atom (From Enzyme Nomenclature, 1992, p539). (lookformedical.com)
Principle1
- Which is the basic principle of NMR spectroscopy. (chemistrywithwiley.com)
Triplet1
- To mimic the electronic structure of optically addressable defect sites, we designed the spin-triplet, V3+ complex, (C6F5)3trenVCNtBu (1). (northwestern.edu)
Biology1
Parameters1
- To do so, I exploited the results of more than 100 publications to identify the most relevant parameters for successful single-molecule fluorescence experiments and to introduce a scoring system for the selection. (uni-muenchen.de)
Frequency1
- This doctoral thesis deals with high-frequency electron spin resonance (HF-ESR) spectroscopy and its use on paramagnetic coordination compounds. (vutbr.cz)
Structure5
- 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)
- Electron spin resonance (ESR) spectroscopy is a crucial tool, through spin labelling, in investigations of the chemical structure of materials and of the electronic structure of materials associated with unpaired spins. (ewha.ac.kr)
- It was also found the ureas were only partially soluble in the process solvent leading to research into the structure of three different urea molecules and the proposal of a modified reaction scheme. (gla.ac.uk)
- NMR spectroscopy is an attractive technique for the investigation of these materials, owing to its high sensitivity to local structure, without any requirement for longer-range order. (st-andrews.ac.uk)
- Figure 1 shows the hyperfine structure in the 2 levels in 87Rb, where the nuclear spin is I = 3/2. (lu.se)
Biological2
- The facility has many cryogenic probes enabling optimal biological solution-state NMR, as well as the equipment needed for modern magic-angle-spinning solid-state NMR. (pitt.edu)
- Simultaneous visualization and concentration quantification of molecules in biological tissue is an important though challenging goal. (fu-berlin.de)
Photoluminescence1
- We found that 1 exhibited narrow, near-infrared photoluminescence (PL) from a spin-singlet excited state. (northwestern.edu)
Reaction2
- As they warmed up, the reaction was reversed and the molecules returned to their closed form. (hu-berlin.de)
- A chemical reaction in which an electron is transferred from one molecule to another. (lookformedical.com)