Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dual labeling strategies based on protected (disulfide) and nonprotected thiols. (A) Sequential labelling of free thiol with maleimide followed by disulfide rebridging by allyl-sulfone reagent. (B) Maleimide-based sequential labeling introducing two new reagents at distinct sites.
