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Heating capability of IONCs in water and viscous media. (A) Specific absorption rate (SAR) values in water of IONCs having different surface ligands. (B,C) Comparison of the SAR value of IONCs functionalized with PEG-CFluo-COOH in water and viscous media (glycerol 81%) measured under the MHT conditions with respect to the biological limit (H·f < 5 × 109 A·m–1·s–1). The values reported in panel 4B were measured at 110 kHz, with the field varied from 16 to 40 kA·m–1.
