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Keywords:

  • chemical selectivity;
  • hyperpolarization;
  • NMR spectroscopy;
  • parahydrogen;
  • polarization transfer
Thumbnail image of graphical abstract

Parahydrogen-induced polarization is used for the continuous generation of hyperpolarized molecules. Constant 1H and 13C NMR signal enhancement is demonstrated using a continuous delivery of parahydrogen by hollow fiber membranes (see picture, left), which allows the acquisition of two-dimensional NMR signals requiring multiple acquisitions with constant initial polarization.