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Letter

Nature Materials 4, 826–831 (1 November 2005) | doi:10.1038/nmat1508

Single-quantum-dot-based DNA nanosensor

Chun-Yang Zhang , Hsin-Chih Yeh , Marcos T. Kuroki & Tza-Huei Wang

Rapid and highly sensitive detection of DNA is critical in diagnosing genetic diseases. Conventional approaches often rely on cumbersome, semi-quantitative amplification of target DNA to improve detection sensitivity.