“…The reaction requires two steps, the first being the crosslinker conjugation and the second, the deprotection of the sulfhydryl groups. Besides, a reaction between 2-iminothiolane hydrochloride known as Traut's reagent and amine groups provided an alternative to SATA and SPDP and required only one step [234]. However, these procedures using primary amines sometimes involved partial or complete loss of recognition activity, due to the modification of the antigen binding sites [235].…”