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.
Schematic showing the design of CRaDLe using QD conjugated to 99mer ssDNA and seven 10mer ssDNA with 64Cu, annealing at distinct distances from the QD surface. Positrons and electrons emit Cerenkov radiation that excites QD655 for luminescence imaging (not drawn to scale).