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. 2019 Feb 8;6:333–354. doi: 10.1016/j.mex.2019.02.006

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© 2019 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 9 — Images of DMAP capped Fe₃O₄-AuNPs after precipitation with DMAP in hexanes without (A1) and with (A2) magnetic separation. and DMAP capped Fe₃O₄-AuNPs after ligand exchange transfer with DMAP in aqueous solution without magnetic separation (B1) and with magnetic separation (B2).