Scheme 2.
Synthesis of nanocomposite materials based on Fe3O4 and SiO2/PEG. (a) Dry DMSO, rt, 1 h. (b) 70% EtOH, 40 °C, 4 h, 20 °C, 16 h (MNPs 1/conjugate 5 weight ratios 1:2, 1:0.2, and 1:0.02). (c) Dox × HCl, H2O, rt, 20 h.
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