Dielectrophoresis-enabled surface enhanced Raman scattering of glycine modified on Au-nanoparticle-decorated polystyrene beads in micro-optofluidic devices

Carbodiimide method for binding of glycine onto amidine-modified polystyrene (PS) beads. Schematic of the Raman spectroscopy after chemical reaction and process of PS beads binding glycine through the linker bridge.