photocontrollable nucleic acid cascade recycling amplification
Engineering MethodPhotocontrollable nucleic acid cascade recycling amplification is a near-infrared light-activatable nucleic acid signal amplification strategy. It combines a photocontrollable nucleic acid displacement reaction, exonuclease III-assisted cascade recycling amplification, and upconversion nanoparticles to trigger signal-amplified mRNA imaging with spatiotemporal control in living cancer cells.