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Analytical challenges in drug counterfeiting and falsification-The NMR approach

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出版社

ELSEVIER
DOI: 10.1016/j.jpba.2010.12.017

关键词

qNMR; DOSY NMR; Drugs; Impurities; Counterfeits

资金

  1. Federal Institute for Drugs and Medical Devices

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Counterfeiting of products is a global problem. As long as clothes, clocks, leather wear, etc. are faked there is no danger, but when it comes to drugs, counterfeiting can be life-threatening. In the last years sub-standard active pharmaceutical ingredients (APIs) were found more often even though the use of the quality-ensuring methods of international pharmacopoeias should have detected additional impurities and the low content of the API. Methods orthogonal to the separating methods used in the pharmacopoeias are necessary to find counterfeits. Beside Raman and NIR spectroscopies as well as powder X-ray analysis, NMR spectroscopy being a primary ratio method of measurement is highly suitable to identify and quantify a drug and its related substances as well as to recognize a drug of sub-standard quality. DOSY experiments are suitable to identify the ingredients of formulations and therefore to identify wrong and/or additional ingredients. This review gives an overview of the application of quantitative NMR spectroscopy and DOSY NMR in anticounterfeiting. (C) 2010 Elsevier B.V. All rights reserved.

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