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Angew Chem Int Ed Engl. 2014 Sep 08;53(37):9766-70. doi: 10.1002/anie.201403416. Epub 2014 Jul 31.

Ultra-low-field NMR relaxation and diffusion measurements using an optical magnetometer.

Angewandte Chemie (International ed. in English)

Paul J Ganssle, Hyun D Shin, Scott J Seltzer, Vikram S Bajaj, Micah P Ledbetter, Dmitry Budker, Svenja Knappe, John Kitching, Alexander Pines

Affiliations

  1. Department of Chemistry, University of California, Berkeley, CA 94720 (USA); Material Science Division, Lawrence Berkeley National Labs, Berkeley, CA 94720 (USA). [email protected].

PMID: 25081416 DOI: 10.1002/anie.201403416

Abstract

Nuclear magnetic resonance (NMR) relaxometry and diffusometry are important tools for the characterization of heterogeneous materials and porous media, with applications including medical imaging, food characterization and oil-well logging. These methods can be extremely effective in applications where high-resolution NMR is either unnecessary, impractical, or both, as is the case in the emerging field of portable chemical characterization. Here, we present a proof-of-concept experiment demonstrating the use of high-sensitivity optical magnetometers as detectors for ultra-low-field NMR relaxation and diffusion measurements.

© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: analytical methods; low-field NMR spectroscopy; optical magnetometry; sensors

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