Experimental setup (IMAGE) Optica Caption A new study shows that Raman spectroscopy could aid in early detection of oral squamous cell carcinoma. The work was performed with a compact portable Raman sensor designed by the researchers. Credit Levi Matthies, University Medical Center Hamburg-Eppendorf Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.