Letter: Radical ion and protonated molecule formation with retinal in electrospray and nanospray

Guaratini, T.; Gates, P.J.; Cardozo, K.H.; Campos , P.M.; Colepicolo, P.; Lopes, N.P.
Eur. J. Mass Spectrom. ( Chichester , Eng. ). 2006;12(1):71-4