Figure 4.
Effect of time on the fluorescence intensity and stability of Tb-phen-MTX system in different temperature. Conditions: [phen], 2 ×10-4 mol/L; [Tb3+], 10-4 mol/L; [MTX], 2 μg/mL; (Tris-HCl = 0.01 M, pH = 7.0).
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.