Researchers from the U.K. said a method related to NMR spectroscopy, known as nuclear quadrupole resonance spectroscopy, can be an effective way to detect fake drugs. Researchers used the technique to detect fake Metakelfin, an antimalarial drug, finding that the counterfeit tablets contained only 43% of the necessary amount of sulfalene. Researchers hope the method can be modified to identify other counterfeit drugs and harnessed for the development of a portable fake-drug detector. The findings were published in the journal Analytical Chemistry.

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