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.
Chromatogram of the step gradient purification of HIV‐1 Gag‐GFP VLP using a QA monolith. The loading material was 100 mL of clarified and 0.8 µm filtered HEK 293 cell culture supernatant. FT: flow‐through; W: wash; P1‐P4: pooled fractions for peaks 1–4
