Label-free imaging of drug distribution and metabolism in colon cancer cells by Raman microscopy El-Mashtoly, Samir F. ; Petersen, Dennis ; Yosef, Hesham K. ; Mosig, Axel ; Reinacher-Schick, Anke ; Kötting, Carsten ; Gerwert, Klaus Abstract Publication: The Analyst Pub Date: 2014 DOI: 10.1039/c3an01993d Bibcode: 2014Ana...139.1155E