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.
Enrichment of naive and memory B lymphocytes. B cell subsets separated by flow cytometry, according to CD19/CD20 and CD27 expression as described in Methods. (a) PBMC from a donor before enrichment with immunomagnetic beads; (b) CD19+ CD27– (naive) B lymphocytes; and (c) CD19+ CD27+ (memory) B lymphocytes after enrichment with immunomagnetic beads.
