Figure 9.
Schematic diagram of a cell-free paper-based biosensor for on-site detection of heavy metals Hg2+ and Pb2+ in water based on aTfs. Reprinted from [154] with permission from Elsevier.
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.