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Chem Commun (Camb). 2005 Jan 7;(1):121-3. Epub 2004 Nov 25.

Semiconductor quantum dots and free radical induced DNA nicking.

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  • 1Department of Physics, King's College London, Strand, London, UK WC2R 2LS.


There is a growing interest in the use of semiconductor quantum dots as fluorescent markers in biological applications. However, there are concerns regarding the potential environmental impact and toxic nature of these nanomaterials. In this study, we have investigated the interaction of water-soluble semiconductor quantum dots with supercoiled DNA.

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