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Keywords:

  • imaging;
  • microimaging;
  • microscopy;
  • NMR spectroscopy
Thumbnail image of graphical abstract

At the micrometer scale: Chemical interactions at the atomic level have been characterized with localized spectroscopy by using magnetic-resonance force microscopy to locate slices of 2.0 μm thickness in a heterogeneous sample (see picture). To recover the chemical-shift information, the field gradient was temporarily switched off by removing its source mechanically. This technique allows high-resolution one- and two-dimensional NMR spectra to be recorded.