@article{article7b5cfb8f, title = {Radical ion and protonated molecule formation with retinal in electrospray and nanospray}, author = {Guaratini, Thais and Gates, Paul J. and Cardozo, Karina Helena Morais and Maia-Campos, PatrĂ­cia Maria Berardo G. and Colepicolo, Pio}, year = {2006}, journal = {European Journal of Mass Spectrometry} }