Engineering Ligand-Interactive Hairpin-Containing I-Motif DNA as a Generic Light-Up System for Label-Free Cell-Membrane-Anchored Sulfur Dioxide Biosensors.

Sulfur dioxide is one of the gaseous signaling molecules involved in many physiological and pathological processes of living cells, and label-free monitoring of the release of SO2 on the cell surface provides a facile way to investigate the related c…

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