An official website of the United States government
Here's how you know
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.
Effects of quinacrine, tetracycline, and melatonin on cyclic amplification of PrPres from scrapie-infected hamster brain. The number of cycles of incubation-sonication and the concentrations of the compounds are indicated. −, none; PMCA, protein misfolding cyclic amplification.