Figure 4.
(a) Structures of DTPA (1), crown ether (2) and EDTA (3) appended CDs and (b) mechanism of absorption-energy transfer emission (AETE) process
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.