An official website of the United States government
Here's how you know
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 (upper row) and absorption spectra (lower row) of fluorescent probes A, B and C (5 μM) in buffer solution with different pH conditions (1% DMSO as co-solvent). Insets in upper row: the corresponding curves of fluorescence intensity versus pH.