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.
Excitation and emission spectra of 1.0X AccuClear free dye (light aqua) and in the presence of 4.76 ng/µL salmon dsDNA (dark aqua). Spectra were recorded with a LS55 fluorescence spectrometer (Perkin Elmer) (excitation slit: 2.5 nm, emission slit: 3.5 nm).