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Sunday, May 17, 2020 | History

4 edition of Electron spin echo envelope modulation (ESEEM) spectroscopy found in the catalog.

Electron spin echo envelope modulation (ESEEM) spectroscopy

by Sergei A. Dikanov

  • 319 Want to read
  • 34 Currently reading

Published by CRC Press in Boca Raton .
Written in English

    Subjects:
  • Electron spin echo envelope modulation spectroscopy.,
  • Electron spin echoes.,
  • Electron paramagnetic resonance.

  • Edition Notes

    Includes bibliographical references and index.

    StatementSergei A. Dikanov and Yuri D. Tsvetkov.
    ContributionsTsvetkov, Yuri D.
    Classifications
    LC ClassificationsQC454.E4 D55 1992
    The Physical Object
    Pagination412 p. :
    Number of Pages412
    ID Numbers
    Open LibraryOL1562720M
    ISBN 100849342244
    LC Control Number91044192

    Electron Spin−Echo Envelope Modulation Spectrum of Azurin at X-Band. The Journal of Physical Chemistry A , (24), DOI: /jpf. Maria Louloudi,, Yiannis Deligiannakis,, Jean-Pierre Tuchagues,, Bruno Donnadieu, and, Nick Hadjiliadis. Orientation-Selective ESEEM Study and Crystal Structure of a CuII(thiochrome)Cl2. A comparison of electron spin−echo envelope modulation (ESEEM) spectra from multi-crystalline Cu2+-insulin with and without additional Cd2+ show a dramatic change in the quadrupole coupling parameters of the remote nitrogens of the two histidine imidazoles that ligate to copper. Without Cd2+, the quadrupole parameters are like those observed in blue copper proteins and in copper substituted.

    In magnetic resonance, a spin echo is the refocusing of spin magnetisation by a pulse of resonant electromagnetic radiation. Modern nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) make use of this effect.. The NMR signal observed following an initial excitation pulse decays with time due to both spin relaxation and any inhomogeneous effects which cause different spins in. Utilizing Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy to Probe the Structure of Membrane Proteins.

    Pulsed electron paramagnetic resonance (EPR) is an electron paramagnetic resonance technique that involves the alignment of the net magnetization vector of the electron spins in a constant magnetic alignment is perturbed by applying a short oscillating field, usually a microwave pulse. One can then measure the emitted microwave signal which is created by the sample magnetization. Abstract Electron spin echo envelope modulation caused by the electronic spin-spin interaction is investigated for the case of a light-induced radical pair undergoing secondary electron transfer. Analytical expressions reveal contributions of both the primary and secondary radical pair to the out-of-phase component of the signal, while only the.


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Electron spin echo envelope modulation (ESEEM) spectroscopy by Sergei A. Dikanov Download PDF EPUB FB2

Summary The first volume devoted entirely to Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy This valuable book provides an introduction and broad survey of topics in ESEEM spectroscopy, including the theory, instrumentation, peculiarities of ESE experiments, and analysis of experimental data with particular emphasis on orientationally disordered systems.

The first volume devoted entirely to Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy This valuable book provides an introduction and broad survey of topics in ESEEM spectroscopy, including the theory, instrumentation, peculiarities of ESE experiments, and analysis of experimental data with particular emphasis on orientationally disordered by: Electron-spin echo envelope modulation (ESEEM) spectroscopy is a pulsed technique that detects weak hyperfine and quadrupolar couplings in the solid state.

It is complementary to ENDOR in that it gives the best results in the intermediate regime of hyperfine couplings where A ≈ ν N ; in addition, it is particularly sensitive to couplings.

Deals with Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy. This book provides an introduction Electron spin echo envelope modulation book broad survey of topics in ESEEM spectroscopy, including the theory, instrumentation, peculiarities of ESE experiments, and analysis of experimental data with emphasis on orientationally disordered systems.

Book Description. The first volume devoted entirely to Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy This valuable book provides an introduction and broad survey of topics in ESEEM spectroscopy, including the theory, instrumentation, peculiarities of ESE experiments, and analysis of experimental data with particular emphasis on orientationally disordered systems.

Cite this entry as: () Electron Spin Echo Envelope Modulation. In: Roberts G.C.K. (eds) Encyclopedia of Biophysics. Springer, Berlin, Heidelberg. The applications of electron spin echo envelope modulation (ESEEM) spectroscopy to study paramagnetic metal centers in metalloproteins and bioinorganic complexes are reviewed, with special attention to the novel spectroscopic techniques applied and the structural information obtained.

In electron spin echo (ESE) spectroscopy these interactions manifest themselves as modulations in the echo decay envelope, commonly called electron spin echo envelope modulation (ESEEM).

Comparison of 2-pulse ESEEM spectra from the vitrinite component of Illinois number6 coal taken at X-band and S-band shows modulation is difficult to discern. Electron spin echo envelope modulation (ESEEM) spectroscopy of phospholipids systematically spin-labelled along the sn-2 chain was used to detect the penetration of a deuterium-substituted water.

Electron spin-echo envelope modulation (ESEEM) spectroscopy has been performed in order to obtain structural information about the reduced [2Fe-2S], [4Fe-4S] and oxidized [3Fe-4S] clusters in purified fumarate reductase from Escherichia coli.

Spin echoes were detected from the reduced iron–sulphur clusters (centres 1–3) and also from oxidized centre 3. The first volume devoted entirely to Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy This valuable book provides an introduction and broad survey of topics in ESEEM spectroscopy, including the theory, instrumentation, peculiarities of ESE experiments, and analysis of experimental data with particular emphasis on orientationally disordered systems.

Electron spin-echo envelope modulation (ESEEM) is a pulsed electron paramagnetic resonance (EPR) technique that monitors nuclear magnetic resonance (NMR) transitions indirectly through EPR transitions ().In the experiment, the electron spin-echo amplitude is monitored as it is modulated by the nuclear spin of nearby atoms at characteristic electron-nuclear double resonance.

In the 46 years since its discovery in Ce(III)‐doped CaWO 4 single crystals, electron spin echo envelope modulation (ESEEM) spectroscopy has developed into an important method for the characterization of paramagnetic centers. The capability of ESEEM to resolve ligand hyperfine couplings to paramagnetic transition metal ions in powder or frozen solution samples, and its sensitivity to the.

A system is described for recording the envelope of electron spin echoes and for obtaining the superhyperfine splitting of the electron resonance interval from the form of the envelope. The envelope modulation property on which this system depends is summarized briefly, the microwave system and logic systems used to record the envelope are described, and the problems encountered in making a.

X band electron spin echo envelope modulation and electron nuclear double resonance spectroscopy was applied to study the interaction of the Rieske-type center of the 2-halobenzoate 1,2-dioxygenase with 14 N and 1 H nuclei in the vicinity of the 2Fe2S cluster. Electron Spin-Echo Envelope Modulation Spectroscopy has provided great insight into the structure and function of many important biomolecules.

Since its first application, this pulsed resonance technique has been found to be especially sensitive to those systems containing weak nuclear couplings.

Electron spin echo envelope modulation (ESEEM) spectroscopy has been used to study electron-nuclear interactions in the following isoelectronic S = 1/2 complexes: NO-Fe/sup II/(TPP) (TPP = tetraphenylporphyrin) with and without axial nitrogenous base, nitrosylhemoglobin in R and T states, and O/sub 2/-Co/sup II/(TPP) with and without axial base.

Electron Spin Echo Envelope Modulation (ESEEM) Spectroscopy (1st Edition) by Sergei A. Dikanov, Yuri D. Tsvetkov, Yuri D. Tsevetkov Hardcover, Pages, Published ISBN / ISBN / Need it Fast. 2 day shipping options. The continuously expanding field of electron spin resonance (ESR) has broadened our understanding of physics, chemistry, biology, medicine and related sciences over the last fifty years.

In the first volume Professors Poole and Farach provided one of the first definitive reference tools for this field. These handbooks bring together wide- ranging data from diverse disciplines within ESR and.

Principles of Pulse Electron Paramagnetic Resonance 1st Edition Fourier- transform EPR, relaxation measurements, electron spin echo envelope modulation, pulse electron-nuclear double resonance, pulse electron-electron double resonance, and transient nutation are all covered."--SciTech Book Format: Hardcover.

Summary This chapter contains sections titled: Introduction The Idealized B1 Switch‐on The Single B1 Pulse Fourier‐Transform EPR and FID Analysis Multiple Pulses Electron Spin‐Echo Envelope Modulat.Electron spin echo envelope modulation (ESEEM) induced by 27 Al nuclei can be used to characterize the interactions of paramagnetic transition metal cations with the framework of various aluminosilicates.

The quantitative analysis of such systems is complex due to the 27 Al nuclear quadrupole interaction which is often large and unknown.

In order to obtain a better understanding of the various.Electron spin-echo envelope modulation (ESEEM) spectroscopy is a well-established technique for the study of naturally occurring paramagnetic metal centers. The technique has been used to study copper complexes, hemes, enzyme mechanisms, micellar water content, and water permeation profiles in membranes, among other applications.

In the present study, we combine ESEEM spectroscopy with .