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.
Indirect immunocytometric analysis demonstrating the presence of surface-exposed epitopes in the SB14 protein fraction of S. pneumoniae strain FT231. Y axis, number of pneumococci analyzed; x axis, degree of immunofluorescence. Numbers: 1, bacterial autofluorescence; 2, nonspecific binding of fluorescein-conjugated goat anti-rabbit IgG; 3, specific binding of serum to components at the surface of pneumococci.
