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Published Online April 7, 2005
Science DOI: 10.1126/science.1108944

Brevia

Submitted on December 20, 2004
Accepted on March 8, 2005

High-Resolution NMR Spectroscopy with a Portable Single-Sided Sensor

Juan Perlo 1, Vasiliki Demas 2, Federico Casanova 1, Carlos A. Meriles 3, Jeffrey Reimer 4, Alexander Pines 5, Bernhard Blümich 1*

1 Institut für Technische Chemie und Makromolekulare Chemie, RWTH Aachen, D-52056, Germany.
2 Department of Chemistry, University of California and Materials Sciences Division, Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA; Department of Chemical Engineering, University of California, Berkeley, CA 94720, USA.
3 Department of Physics, City College of New York-CUNY, New York, NY 10031, USA.
4 Department of Chemical Engineering, University of California, Berkeley, CA 94720, USA.
5 Department of Chemistry, University of California and Materials Sciences Division, Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

* To whom correspondence should be addressed.
Bernhard Blümich , E-mail: bluemich{at}mc.rwth-aachen.de

We report construction of a portable nuclear magnetic resonance sensor with a single-sided open probe design. The resulting magnetic field inhomogeneity is compensated by a pulse sequence that takes advantage of parallel inhomogeneity in the applied radio frequency field. We can thereby acquire 19F spectra of liquid fluorocarbons with 8 part per million resolution, surmounting the long-standing obstacle of obtaining chemical shift information with open probe instruments.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)