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.
Spectral differences between non-quadruplex G3(TTAG3)3 structure at extremely high DNA concentration (520 mM; no alkali cations present) and initial quadruplex structures adopted by highly concentrated G3(TTAG3)3 (330 mM) after adjustment of K+ or Na+ concentrations to 230 mM, but before annealing.
