Surface-enhanced Raman scattering of 5-fluorouracil adsorbed on silver nanostructures
Mariana Sardo, Cristina Ruano, José Luis Castro, Isabel López-Tocón, Juan Soto, Paulo Ribeiro-Claro and Juan Carlos Otero, 
Phys. Chem. Chem. Phys., 2009, 11, 7437