Magnetic inequivalency, electron paramagnetic resonance spectroscopy, and electronic structure of the matrix-isolated (η6-C6H3F3)V half-sandwich

1997 ◽  
Vol 106 (3) ◽  
pp. 1094-1111 ◽  
Author(s):  
Saba M. Mattar ◽  
Ramaswami Sammynaiken
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electronic Structure ◽  
Electron Paramagnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Paramagnetic Resonance ◽  
The Matrix ◽  
Electron Paramagnetic ◽  
Half Sandwich

Delocalized triplet state in porphyrin J-aggregates revealed by EPR spectroscopy

2017 ◽  
Vol 19 (40) ◽  
pp. 27173-27177 ◽  
Author(s):  
Luca Bolzonello ◽  
Marco Albertini ◽  
Elisabetta Collini ◽  
Marilena Di Valentin
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electronic Structure ◽  
Triplet State ◽  
Epr Spectroscopy ◽  
Electron Paramagnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Paramagnetic Resonance ◽  
Time Resolved ◽  
J Aggregates ◽  
Electron Paramagnetic

In this work, the electronic structure of the triplet state of self-assembled J-aggregates of tetrakis(4-sulfonatophenyl)porphyrin (TPPS) has been characterized by means of time-resolved electron paramagnetic resonance spectroscopy.

Electronic Structure of the P700Special Pair from High-Frequency Electron Paramagnetic Resonance Spectroscopy

2002 ◽  
Vol 106 (35) ◽  
pp. 8911-8916 ◽  
Author(s):  
Oleg G. Poluektov ◽  
Lisa M. Utschig ◽  
Sandra L. Schlesselman ◽  
K. V. Lakshmi ◽  
Gary W. Brudvig ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Electronic Structure ◽  
High Frequency ◽  
Electron Paramagnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Paramagnetic Resonance ◽  
Electron Paramagnetic

scholarly journals Positive Effect of Propolis on Free Radicals in Burn Wounds

2013 ◽  
Vol 2013 ◽  
pp. 1-12 ◽  
Author(s):  
Pawel Olczyk ◽  
Pawel Ramos ◽  
Katarzyna Komosinska-Vassev ◽  
Jerzy Stojko ◽  
Barbara Pilawa
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Free Radicals ◽  
Electron Paramagnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Relaxation Processes ◽  
Paramagnetic Resonance ◽  
Burn Wounds ◽  
The Matrix ◽  
Electron Paramagnetic ◽  
Silver Sulphadiazine

Concentration and properties of free radicals in the burn wounds treated with propolis were examined by the use of electron paramagnetic resonance spectroscopy. Magnetic spin-spin interactions and complex free radicals structures in wound beds were studied. The results were compared to those obtained for silver sulphadiazine used as a standard pharmaceutical agent. The changes of free radicals in the matrix of injury with time of exposition on these substances were tested. The aim of this study was to check the hypothesis about the best influence of propolis on the burn wounds healing. It was confirmed that a relatively lower concentration of free radicals exists in the burn wounds treated with propolis. The homogeneously broadened spectra and a complex free radical system characterize the tested tissue samples. The fastening of spin-lattice relaxation processes in the matrix of injury after treatment with propolis and silver sulphadiazine was observed. Practical usefulness of electron paramagnetic resonance spectroscopy in alternative medicine was proved.

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