Interaction of the CLPFFD peptide with gold nanospheres. A Raman, surface enhanced Raman scattering and theoretical study. A.M. Vera, J.J. Cárcamo1, A.E. Aliaga, J.S. Gómez-Jeria , M.J. Kogan2, M.M. Campos-Vallette2 Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Año 2015, Volumen 134 Páginas 251 – 256.