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.
Fractional changes in protein–terbium fluorescence in the presence of increasing concentrations of competing metal ions (i.e., calcium and magnesium). ([Tb3+] = 150 μM, [Protein] = 4 μM). [Color figure can be viewed in the online issue, which is available at www.interscience.wiley.com.]
