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. 2021 Nov 10;33(22):8693–8704. doi: 10.1021/acs.chemmater.1c02654

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© 2021 The Authors. Published by American Chemical Society

Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).

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AC hysteresis loops at 300 kHz for samples (a) Opt₁-25@PEG, (b) Opt₂-23@PEG, and (c) Opt₃-23@PEG. Insets: TEM micrographs, scale bars: 10 nm. (d) Experimental SAR versus field curves. The optimization stages of Opt₁, Opt₂, and Opt₃ are arranged in increasing gray levels.