A SERS-active capillary for direct molecular trace detection in liquids
Zhoutao Sun, Kang Chen, Xiaohui Fang, Hongmei Liu, Jinxin Guo, Xinping Zhang
Abstract
Direct molecular trace SERS detection in liquids was performed simply using a capillary without pre-functionalization. Grazing incidence and multimode interference ensure excitation and accumulation of the longitudinal Raman signal.
Topics & Concepts
Capillary actionTRACE (psycholinguistics)NanotechnologyChemistryChromatographyMaterials scienceComposite materialPhilosophyLinguisticsGold and Silver Nanoparticles Synthesis and ApplicationsSpectroscopy and Quantum Chemical StudiesSpectroscopy Techniques in Biomedical and Chemical Research