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Chem Commun (Camb). 2017 Mar 28;53(26):3757-3760. doi: 10.1039/c7cc00635g.

NMR signal enhancement of >50 000 times in fast dissolution dynamic nuclear polarization.

Author information

1
Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Bellaterra, Spain. j.vidal@icmab.es and CIBER-BBN, Barcelona, Spain.
2
Biomolecular NMR laboratory, Inorganic and Organic Chemistry Department, University of Barcelona, Baldiri Reixac 10-12, 08028, Barcelona, Spain.

Abstract

Herein, we report the synthesis and the study of a novel mixed biradical with BDPA and TEMPO radical units that are covalently bound by an ester group (BDPAesterTEMPO) as a polarizing agent for fast dissolution DNP. The biradical exhibits an extremely high DNP NMR enhancement of >50 000 times, which constitutes one of the largest signal enhancements observed so far, to the best of our knowledge.

PMID:
28304028
DOI:
10.1039/c7cc00635g

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