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. 2016 Oct 24;6:35786. doi: 10.1038/srep35786

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(A) Coating of Fe NWs with APTES (APTES-NWs). (B) Coating of Fe NWs with BSA (BSA-NWs). (C) Coating of Fe NWs with APTES-PEG (APTES-PEG-NWs). (D) Functionalization of APTES-NWs with DOX (APTES-NWs-DOX). (E) Functionalization of BSA-NWs with DOX (BSA-NWs-DOX).