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Electron paramagnetic resonance (EPR) (also known as electron spin resonance (ESR)) studies of molecules with unpaired electrons - primarily organic radicals and transition metal ions. We are interested in a variety of applications of this technique. EPR imaging examines the spatial distribution of unpaired electrons in a sample. We are developing CW, pulsed, and rapid scan imaging methodologies for in vivo applications. Electron spin relaxation times are measured by pulsed EPR techniques. The relaxation times provide insight into molecular dynamics. Measurements at multiple resonance frequencies permit assignment of mechanisms. Pulsed EPR techniques can measure weak interactions between transition metal ions and nuclear spins in proximity to the metal. This technique is a powerful method to examine the metal binding sites in metalloenzymes. We have applied it to the iron binding site in transferrin, and to other metalloenzymes brought to us by collaborators. Pulsed and CW EPR techniques provide a range of techniques for measuring interspin distance and we have applied these to spin-labeled metmyoglobin, spin-labeled carbonic anhydrase, and other biomolecules containing two unpaired electrons.
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Papers共 597 篇Author StatisticsCo-AuthorSimilar Experts
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Lorenzo A. Mariano,Vu Ha Anh Nguyen, Jonatan B. Petersen, Magnus Bjørnsson,Jesper Bendix,Gareth R. Eaton,Sandra S. Eaton,Alessandro Lunghi
arxiv(2024)
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Physical chemistry chemical physics : PCCPno. 21 (2024): 15240-15254
Applied Magnetic Resonanceno. 9 (2023): 849-867
Applied Magnetic Resonanceno. 9 (2023): 849-867
Rhia M Martin, Samantha Diaz,Martin Poncelet,Benoit Driesschaert,Eugene Barth,Mrignayani Kotecha,Boris Epel,Gareth R Eaton,Joshua R Biller
Molecular imaging and biologyno. 3 (2023): 525-541
Hanan B Elajaili,Lukas B Woodcock,Tanden A Hovey,George A Rinard, Samuel DeGraw, Autumn Canny,Nathan M Dee,Joseph P Y Kao,Eva S Nozik,Sandra S Eaton,Gareth R Eaton
Molecular imaging and biologyno. 3 (2023): 503-510
FOUNDATIONS OF CHEMISTRYno. 2 (2023): 285-298
Journal of the American Chemical Society (2023)
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