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.
Pilus Island-2a. Immunogold transmission electron microscopy of GBS 515 grown to exponential phase. Bacteria were incubated with polyclonal sera raised against the corresponding pilus 2a backbone variant obtained as recombinant protein, and labeled with secondary antibodies conjugated with 10 nm gold nanoparticles.
