<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgj2fg9jvb7" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />The interaction between supercharged green fluorescent protein (ScGFP) and graphene oxide (GO) as well as the resulting quenching effect of GO on ScGFP were investigated.</p> </abstract>