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.
Antibody titer in animal's sera.
Group 1: normal saline, Group 2: DT-loaded NPs with 10 lf/ml DT, Group 3: alginate NPs (12.5 μg/ml), Group 4: 10 Lf DT adsorbed to Al3PO4, Group 5: free DT (10 Lf/ml), Group 6: alginate NPs (12.5 μg/ml) and free DT (10 Lf/ml) suspension.
