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Values of SAR (a), ILP (b) of citrate-functionalized NPs and variation of temperature (ΔT) over time (t) of MnFe2O4 (c), and Ca0.2Mn0.8Fe2O4 NPs (d), under an AMF at different conditions below the biological acceptance limit (HAC × f = 2 × 109 A m−1 s−1). Abbreviations: x = 0 + cit, x = 0.2 + cit and x = 1 + cit are citrate-functionalized MnFe2O4, Ca0.2Mn0.8Fe2O4, and CaFe2O4 nanoparticles, respectively.
