Optical tweezers-controlled hotspot (IMAGE) Hong Kong University of Science and Technology Caption An illustration showing the optical tweezers-controlled hotspot for the protein structural characterization by surface-enhanced Raman spectroscopy. Credit Vince St. Dollente Mesias, Jinqing Huang / The Hong Kong University of Science and Technology 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.