Alexander Benjamin Barnes is an American chemist. Educated at Whitman College and the Massachusetts Institute of Technology, he has taught at Washington University in St. Louis and ETH Zurich.
Barnes specializes in developing hardware for the interrogation of chemical structures using Nuclear magnetic resonance spectroscopy. Some of his most notable innovations include the use of spherical sample containers instead of cylindrical ones and frequency-agile gyrotrons for use in dynamic nuclear polarization (DNP) NMR experiments.
In 2018, Barnes received the Camille Dreyfus Teacher-Scholar Award.
At the 2019 Experimental Nuclear Magnetic Resonance Conference in Asilomar, California, Barnes received the Varian Young Investigator award.
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