
Keywords: IAM، یووداکتامید; Cys-OEt, l-cysteine ethyl ester; DMSO, dimethyl sulfoxide; DP, degree of polymerization; DTNB, 5,5′-dithiobis (2-nitrobenzoic acid); DTT, dithiothreitol; IAM, iodoacetamide; MALDI-TOF MS, matrix assisted laser deso′rption/ionization time of flight mass sp