Fig 1. MALDI imaging acquisition of representative tryptic BSA peptides with various CHCA solvent compositions.
CHCA (1mg/mL) was dissolved in (A) EtOH:Acetone (2:1) (B) 100%Acetone (C) 50%ACN, 0.1%TFA (D) IPA: H2O:FA(2:3:1) (E) EtOH:ACN:H2O (60:36:4) (F) IPA:ACN:Acetone:0.1%TFA (2:7:7:2) (G) IPA:ACN:Acetone:0.1%TFA (2:7:7:2) with nitrocellulose (1 mg/mL) addition.