<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgj10153f2w" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />An Eu-MOF can selectively detect PO<sub>4</sub><sup>3−</sup> and it represents the first example of regenerable MOF-based luminescent probes for detecting PO<sub>4</sub><sup>3−</sup>.</p> </abstract>