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.
Surface modification and zeta potential of PEGylated QD (composed of CdSe/ZnS with core size of 5.3 nm and hydrodynamic size of 25 nm)
| Surface modification | Zeta potential (mV) in water |
|---|---|
| PEGylated-amine quantum dot (PEG-NH2+-QD) | −15.67 ± 1.46 |
| PEGylated-carboxylate quantum dot (PEG-COO−-QD) | −24.47 ± 4.71 |
| PEGylated-non-modified quantum dot (PEG-QD) | −31.53 ± 5.78 |
