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Nuclear magnetic resonance

The art of signal enhancement

The alignment of the nuclear spins in parahydrogen can be transferred to other molecules, where it enhances NMR signals by several orders of magnitude. This approach enables NMR even in the absence of magnetic fields, and offers unprecedented opportunities in physics, chemistry, biology and medicine.

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Figure 1: Hyperpolarization methods such as PHIP can extensively enhance NMR signals, which could have many applications in the natural sciences and medicine.

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Correspondence to Kerstin Münnemann or Hans Wolfgang Spiess.

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Münnemann, K., Spiess, H. The art of signal enhancement. Nature Phys 7, 522–523 (2011). https://doi.org/10.1038/nphys2004

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