Fig 1.
The preparation of Gd@C82-TEGs nanoparticles.
Fig 2.
The particle size of Gd@C82-TEGs nanoparticles.
Fig 3.
The TEM image of the Gd@C82-TEGs nanoparticles.
Fig 4.
The C 1S XPS spectrum of the Gd@C82-TEGs nanoparticles.
Fig 5.
Plots of 1/T1 (A) or 1/T2 (B) versus Gd3+ concentration.
Fig 6.
T1-weighted MRI of Gd@C82-TEGs nanoparticles at varied [Gd3+] (0 - 1.5 mM) and Gd-DTPA(1.0 mM) in H2O.
Fig 7.
Cytotoxicity of the Gd@C82-TEGs nanoparticles in MCF-7 cells after 24 and 48 h incubation.
Fig 8.
Morphology of MCF-7 cells with Gd@C82-TEGs nanoparticles (0- 100 μg/mL).