TY - JOUR T1 - A Fragmentation study of di-acidic mycosporine-like amino acids in electrospray and nanospray mass spectrometry JO - Journal of the Brazilian Chemical Society A1 - Cardozo, Karina H. M. A1 - Vessecchi, Ricardo A1 - Galembeck, Sérgio E. A1 - Guaratini, Thais A1 - Gates, Paul J. A1 - Pinto, Ernani A1 - Lopes, Norberto P. A1 - Colepicolo, Pio SN - 0103-5053 UL - 10.1590/S0103-50532009000900009 VL - 20 Y1 - 2009 PB - Brasil ER -