Label-Free Fluorescent Probing of G-Quadruplex Formation and Real-Time Monitoring of DNA Folding by a Quaternized Tetraphenylethene Salt with Aggregation-Induced Emission Characteristics

Biosensing processes such as molecular beacons require non‐trivial effort to covalently label or mark biomolecules. We report here a label‐free DNA assay system with a simple dye with aggregation‐induced emission (AIE) characteristics as the fluorescent bioprobe. 1,1,2,2‐Tetrakis[4‐(2‐bromoethoxy)ph...

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