Issue 11, 2015
From the journal:

Chemical Communications

Dynamic nuclear polarization of a glassy matrix prepared by solid state mechanochemical amorphization of crystalline substances†

E. Elisei,‡ab   M. Filibian,‡c   P. Carretta,c   S. Colombo Serra,§d   F. Tedoldi,§d   J. F. Willart,b   M. Descampsb  and  A. Cesàro*ae  

* Corresponding authors

a Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Giorgieri 1, 34127 Trieste, Italy
E-mail: cesaro@units.it

b Université Lille Nord de France, F-59000 Lille, USTL, UMET (Unité Materiaux et Transformations), UMR CNRS, 8207 F-59650 Villeneuve d'Ascq, France

c Department of Physics, University of Pavia-CNISM, 27100 Pavia, Italy

d Bracco Research Center, Bracco Imaging S.p.A., via Ribes 5, 10010 Colleretto Giacosa (TO), Italy

e Elettra Sincrotrone Trieste, Area Science Park, I-34149 Trieste, Italy

Abstract

A mechanochemical “solvent-free” route is presented for the preparation of solid samples ready to be employed in the Dynamic Nuclear Polarization (DNP). 1H-DNP build-up curves at 3.46 T as a function of temperature and radical concentration show steady state nuclear polarization of 10% (0.5% TEMPO concentration at 1.75 K).

Graphical abstract: Dynamic nuclear polarization of a glassy matrix prepared by solid state mechanochemical amorphization of crystalline substances

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Article information

DOI
https://doi.org/10.1039/C4CC08348B
Article type
Communication
Submitted
22 Oct 2014
Accepted
15 Dec 2014
First published
17 Dec 2014

Chem. Commun., 2015,51, 2080-2083

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Dynamic nuclear polarization of a glassy matrix prepared by solid state mechanochemical amorphization of crystalline substances

E. Elisei, M. Filibian, P. Carretta, S. Colombo Serra, F. Tedoldi, J. F. Willart, M. Descamps and A. Cesàro, Chem. Commun., 2015, 51, 2080 DOI: 10.1039/C4CC08348B

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