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Molecular recognition is a fundamental mechanism for the specific detection in various types of biosensor technology. Here, we theoretically and experimentally demonstrated the "Light-induced acceleration of molecular recognition", and succeeded in the rapid detection of zeptomole-level DNA. The formation of a submillimetre network-like structure was observed at desired position under within several minutes via the laser-induced hybridization of DNA-modified NPs and target DNA exhibiting a broadband optical spectrum. This finding describes a strategy for the remote control of hybridization of extremely small amounts of DNA (1/1000,000 of that without laser irradiation) as a trigger, and for not only rapid bottom-up production of macroscopic assembly with NPs even without PCR amplification, but also rapid and highly sensitive genetic screening without fluorescent labeling.

BS5.5 - Highly Sensitive Rapid DNA Sensor Based on Light-induced Acceleration of Molecular Recognition