Scheme 1
From: Quantum dots as targeted doxorubicin drug delivery nanosystems in human lung cancer cells

Synthesis of the QD–FA nanocarriers and QD–FA–DOX nanoconjugates. QD Ag–In–Zn–S nanocrystals modified with: 11-mercaptoundecanoic acid (MUA), Cys L-cysteine, LA lipoic acid, FA folic acid, DOX doxorubicin