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.
Material characterization of self-propelled GQD–MRs. (A) SEM image (inset: cross-sectional view at higher magnification) and (B) SEM-EDX image of GQD–MRs with its corresponding elemental mapping composition for (C) Pt and (D) Ni. (E) Fluorescence emission spectra of GQD–MRs at λex = 350 nm (green line: control emission spectra utilizing the aqueous media without the presence of GQD–MRs).
