SERS studies of isolated and agglomerated gold nanoparticles functionalized with a dicarboxybipyridine-trimercaptotriazine-ruthenium dye - Grasseschi, Daniel; Parússulo, André Luis Araújo; Zamarion, Vitor de Moraes; Guimarães, Robson Raphael; Araki, Koiti; Toma, Henrique Eisi (Journal of Raman Spectroscopy, 2014)