Pharmaceutical research. Automated NMR (nuclear magnetic resonance) spectrometer arm moving a vial containing a sample for analysis. A researcher (background) is holding a similar vial. An NMR spectrometer is used to help determine the molecular structure of a chemical compound. Here, it is being used in pharmaceutical research into new drugs. NMR spectroscopy measures the resonance between an applied magnetic field and the magnetic moment of the atoms in a molecule. Photographed at Celltech's Cambridge research laboratories, UK.
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