Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Nutation-Frequency Correlated EPR Spectroscopy: The PEANUT Experiment

Stoll1, Jeschke, Willer

  • 1Laboratorium fur Physikalische Chemie, Eidgenossische Technische Hochschule, Zurich, 8092, Switzerland

Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|February 21, 1998
PubMed
Summary

The novel phase-inverted echo-amplitude detected nutation (PEANUT) experiment measures electron spin nutation frequencies. This technique simplifies complex Electron Paramagnetic Resonance (EPR) spectra by adding a new parameter for line labeling.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Case of Tetanus, with Appearances on Dissection.

Edinburgh medical and surgical journal·2018
Same author

EPR probes with well-defined, long distances between two or three unpaired electrons

The Journal of organic chemistry·2000
Same author

Brachytherapy does not induce histological abnormalities in uninjured porcine coronary arteries: support for the concept using overlapping irradiation against untoward edge effects.

Cardiovascular radiation medicine·2000
Same author

Molecular effects of radiation studied in a cell culture model: dose-dependent stimulation of the pro-fibrotic cytokines TGF-beta1/2 and bFGF, combined with suppression of macrophage chemoattraction.

Cardiovascular radiation medicine·2000
Same author

Gallium-68 provides 15-fold reduction of balloon-rupture-related patient whole-body dose compared with rhenium-188: previously unachieved safety for liquid-filled balloon brachytherapy.

Cardiovascular radiation medicine·2000
Same author

Domino reaction of 1,3-bis(trimethylsilyloxy)-1,3-dienes with oxalyl chloride: general and stereoselective synthesis of gamma-alkylidenebutenolides

Chemistry (Weinheim an der Bergstrasse, Germany)·2000

Area of Science:

  • * Spectroscopy
  • * Quantum Mechanics
  • * Physical Chemistry

Background:

  • * Electron spin nutation is a fundamental phenomenon in Electron Paramagnetic Resonance (EPR) spectroscopy.
  • * Measuring high transient electron spin nutation frequencies is experimentally challenging.
  • * Complex EPR spectra often require advanced techniques for accurate interpretation.

Purpose of the Study:

  • * To introduce a new pulse sequence, the phase-inverted echo-amplitude detected nutation (PEANUT) experiment.
  • * To enable the measurement of transient electron spin nutation frequencies, especially at high frequencies.
  • * To simplify the interpretation of complex EPR spectra.

Main Methods:

  • * Development of a novel pulse sequence involving a rotary echo and amplitude modulation of a primary electron spin echo.

Related Experiment Videos

  • * Separation of nutation detection and excitation in time to facilitate high-frequency measurements.
  • * Implementation of a two-dimensional PEANUT experiment correlating nutation frequencies with resonance fields.

    • Main Results:

    • * Demonstrated feasibility of measuring high transient electron spin nutation frequencies.
    • * Established that nutation frequencies are proportional to the EPR transition moment, allowing EPR line labeling.
    • * Experimental verification of predicted PEANUT spectral features in both ordered and disordered systems.

    Conclusions:

    • * The PEANUT experiment is a powerful new tool for studying electron spin dynamics.
    • * The technique significantly simplifies the interpretation of complex EPR spectra.
    • * PEANUT offers broad applicability to various material systems.