Research Article

Preparation and Characterization of a Tumor-Targeting Dual-Image System Based on Iron Oxide Nanoparticles Functionalized with Folic Acid and Rhodamine

Figure 4

FT-IR spectra of (a) unmodified and amino-functionalized magnetite nanoparticles, (b) iron oxide folate conjugate nanoparticles, and (c) unmodified magnetite nanoparticles in far infrared.
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