Compositions, devices, and related methods

The composition includes a first probe, the first initiator component bonded to the first probe includes a second initiator component bonded to the second probe, and the second probe. First probe and the second probe are capable of binding to a single analyte and a first initiator component and the second initiator component is and when and the first probe is present close to one another If the second probe binds to the analyte, it is possible to form the initiator. Related kits, devices, and methods are also provided. .BACKGROUND