Gd
Dark Green - Rare Earth
https://www.americanelements.com/gd.html
Engineered gadolinium-doped carbon dots for magnetic resonance imaging-guided radiotherapy of tumors.
10.1016/j.biomaterials.2016.07.008
Nanosystem composed with MSNs, gadolinium, liposome and cytotoxic peptides for tumor theranostics.
10.1016/j.colsurfb.2016.12.024