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.
Capsular reactions produced by various ratios of a MAb producing the rim pattern (MAb 3C2) and a MAb producing a puffy pattern (MAb 302). Cells of serotype A strain CN6 were incubated with the antibodies (200 μg of total antibody per ml), and the capsular reaction was observed by differential interference contrast microscopy as described previously (9).
