EPR at 80: Carotenoid Radical Cation Detection

Electron Paramagnetic Resonance (EPR) has proven to be a powerful research tool in the study of carotenoid radicals providing detailed information on their structure, stability, and biological functions. Previously published simultaneous electrochemical and EPR ( SEEPR) and high-field/high-frequency...

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Bibliographic Details
Published in:Applied magnetic resonance 2024-09, Vol.55 (9), p.1031-1046
Main Authors: Focsan, A. Ligia, Kispert, Lowell D.
Format: Article
Language:English
Subjects:
Antioxidants
Atoms and Molecules in Strong Fields
Carotenoids
Cations
Chlorophyll
Chronic illnesses
Electron paramagnetic resonance
Food
Free radicals
Fruits
Inflammation
Laser Matter Interaction
Macular degeneration
Organic Chemistry
Oxidation
Oxidative stress
Parameters
Physical Chemistry
Physics
Physics and Astronomy
Review
Skin
Solid State Physics
Spectroscopy/Spectrometry
Spectrum analysis
Vitamin A
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Description
Summary:Electron Paramagnetic Resonance (EPR) has proven to be a powerful research tool in the study of carotenoid radicals providing detailed information on their structure, stability, and biological functions. Previously published simultaneous electrochemical and EPR ( SEEPR) and high-field/high-frequency (HFEPR) experiments in vitro performed by Kispert’s group and in collaboration with National High Magnetic Field Laboratory (NHMFL) for the HFEPR measurements, were extremely helpful in elucidating the structure of the carotenoid radical cation and obtaining EPR parameters for carotenoids that were further used in the literature for comparison with parameters obtained for in vivo experiments.
ISSN:0937-9347
1613-7507
DOI:10.1007/s00723-024-01691-7