Release Behavior and Toxicity Profiles towards Leukemia (WEHI-3B) Cell Lines of 6-Mercaptopurine-PEG-Coated Magnetite Nanoparticles Delivery System

Figure 2

FTIR spectra of FNPs (A), pure PEG (B), pure MP (C), and FPEGMP-2 nanocomposite (D).