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FTIR spectra of FePt NPs synthesized with different surface coatings and components.
Notes: (A) Fe60Pt40-OA/OA; (B) Fe45Pt55-OA/OA; (C) Fe27Pt73-OA/OA; (D) oleylamine; (E) oleic acid; (F) Fe60Pt40-Cys; (G) Fe24Pt76-Cys; (H) cysteine.
Abbreviations: FTIR, Fourier transform infrared spectroscopy; NPs, nanoparticles; OA/OA, oleic acid/oleylamine.
