Table 1. Properties of NPs.
| name | size (nm) | ζ-Potential | R1 relaxivity (s–1 mM–1) at 9.4 T | quantum yield, ϕ | molar extinction coefficient, ε (M–1 cm–1) | fluorescence lifetime (ns) |
|---|---|---|---|---|---|---|
| Eu–Gd | 13.5 | –25.1 | 4.7697 | 0.33 | 2.15 × 103 | 1.6 |
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.