An optical spectroscopic technique, surface-enhanced Raman spectroscopy (SERS), mostly used in the research setting for liquid sample analysis, has recently been applied to breath-based diagnostics.

IT is now just two years since the effect known by his name was discovered by Sir Chandrasakara Raman, 1 but the phenomenon has aroused so much interest that even in this short time a tremendous ...

Fraunhofer Institute of Translational Medicine and Pharmacology, Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany ...