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.
Molecular beacon design and interactions. (a) MB binding to complementary target; (b) MB mis-folds into non-hairpin structure through the hybridization of loop sequence with stem sequence; (c) MB opened by adventitious DNA that binds to MB stem.
