<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgjjh0wqc9" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />Glutamine (GLN)-assisted Cu-doped CeO<sub>2</sub> nanowires exhibit an outstanding performance for CO oxidation and can completely convert CO at 90 °C.</p> </abstract>