<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgj2rwbz4cj" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />We have developed a strategy for preparation of Fe<sub>3</sub>O<sub>4</sub>–PEG–GO/DOX nanocomposites for efficient magnetic imaging and drug delivery.</p> </abstract>