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.
Near-IR K+ sensor KNIR-1 consists of a TAC K+ binding domain covalently linked to an oxazine fluorophore. Binding of K+ to the TAC domain quenches photoinduced electron transfer (PET) from the o-alkoxyaniline moiety to the oxazine fluorophore, resulting in enhanced fluorescence emission.
