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.
Optimization of fluorescence determination of CYFRA 21-1 antigen at λex = 470 and λem = 520 nm. a Effect of added immobilized CQDs/ZnO-BM 19.21 nanocomposite, b effect of phosphate buffer saline of pH range 7.3–7.5, c effect of buffer concentration using PBS in the concentration range of 0.01–0.05 mol L−1, and d effect of immunoreaction time using 10–60 min
