the invention describes a coordination polymer construct for multimodal imaging and therapy . the construct consists of a core particle made of a novel coordination polymer . the core is coated with a biocompatible coating that stabilizes the particles in a physiological environment . the biocompatible coating can contain attached targeting agents , imaging agents and therapeutic agents or combinations one or more of the targeting , imaging and therapeutic agents . when administered to a subject or a subject - derived specimen , the resulting coordination polymer core - shell construct enables multimodal imaging and therapy , which improves the diagnostic and treatment outcomes of the conditions or diseases where it is administered . the invention describes the novel material , base for the construct , methods for the preparation of the said construct and its use as a multimodal imaging and therapy agent .