Issue 10, 2002
From the journal:

Chemical Communications

Muonium addition to DMPO and PBN sorbed in silica-gel

Christopher J. Rhodes,*a   Ivan D. Reidb  and  Ulrich Zimmermannc  

* Corresponding authors

a School of Pharmacy and Chemistry, Liverpool John Moores University, Byrom St, Liverpool, UK
E-mail: c.j.rhodes@livjm.ac.uk

b School of Physics and Astronomy, University College London, Gower St, London, UK

c Muon Spectroscopy Group, Paul Scherrer Institute, Villigen, Switzerland

Abstract

Nitroxyl radicals were formed by adding the light hydrogen isotope, muonium to the spin traps DMPO (5,5-dimethyl-1-pyrroline-N-oxide) and PBN (N-tert-butyl-α-phenylnitrone) sorbed as 30 wt% ethanol solutions in silica-gel; evidence is presented for a specific hydrogen-bonded interaction between the DMPO adduct and the silica surface; longitudinal-field muon spin relaxation measurements (LF-MuSRx) were performed which identified two distinct motional regimes in both samples.

Graphical abstract: Muonium addition to DMPO and PBN sorbed in silica-gel

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Article information

DOI
https://doi.org/10.1039/B202302B
Article type
Communication
Submitted
05 Mar 2002
Accepted
10 Apr 2002
First published
18 Apr 2002

Chem. Commun., 2002, 1092-1093

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Muonium addition to DMPO and PBN sorbed in silica-gel

C. J. Rhodes, I. D. Reid and U. Zimmermann, Chem. Commun., 2002, 1092 DOI: 10.1039/B202302B

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