Carlos Cobas has written this article about NMR analysis on mobiles devices in collaboration with Isaac Iglesias and Felipe Seoane.
It is necessary to show that the active content in the dosage form of drugs is within a certain narrow range of the label claim.
Spectroscopic methods – of which nuclear magnetic resonance (NMR) is one of the most vital players – have almost entirely replaced those old “wet chemistry”-based approaches and the art has become a science.
Covariance NMR has attracted considerable interest in recent years and new applications of this technique aimed at paving the way forward to structure elucidation are appearing frequently in the scientific literature.