Issue 33, 2009
From the journal:

Chemical Communications

Time-resolved EPR observation of synthetic eumelanin–superoxide radical pairs

Antonio Toffoletti,*a   Fosca Conti,a   Tommaso Sandron,†a   Alessandra Napolitano,b   Lucia Panzellab  and  Marco D’Ischiab  

* Corresponding authors

a Department of Chemical Sciences, University of Padova, via Marzolo, 1-35131 Padova, Italy
E-mail: antonio.toffoletti@.unipd.it

b Department of Organic Chemistry and Biochemistry, University of Naples Federico II, Via Cynthia, 4-80126 Naples, Italy

Abstract

TR-EPR spectra of UV irradiated synthetic eumelanin in equilibrium with air oxygen, reveal the formation of melanin–superoxide radical pairs and allow to determine both the electron dipolar interaction D and the exchange interaction J between the two radicals.

Graphical abstract: Time-resolved EPR observation of synthetic eumelanin–superoxide radical pairs

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Article information

DOI
https://doi.org/10.1039/B909568C
Article type
Communication
Submitted
14 May 2009
Accepted
16 Jun 2009
First published
10 Jul 2009

Chem. Commun., 2009, 4977-4979

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Time-resolved EPR observation of synthetic eumelanin–superoxide radical pairs

A. Toffoletti, F. Conti, T. Sandron, A. Napolitano, L. Panzella and M. D’Ischia, Chem. Commun., 2009, 4977 DOI: 10.1039/B909568C

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