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.
Fluorescence spectra of (a) 0.5 μM of cDNA-FAM and 1 mg/mL of GO nanosheets; (b) 0.5 μM cDNA-FAM and 1 μM aptamer; (c) 0.5 μM cDNA-FAM, 1 μM aptamer, and 1 mg/mL GO; (d) 0.5 μM cDNA-FAM, 1 μM aptamer, 1 mg/mL GO, and 100 ng/mL OTA after incubation at 37 ℃.
