Quantum dots show their true colours

November 2004
Nature;11/11/2004, Vol. 432 Issue 7014, p247
Academic Journal
The article presents a report on "quantum dots." These semiconductor nanometre-sized crystals, typically with a cadmium-based core, avoid some of the shortcomings associated with traditional organic dyes and fluorescent proteins. QDs are brighter, not prone to photobleaching, and come in a wide range of colours. QDs also have narrow emission spectra, which means more colours can be used at a time with minimal channel overlap. Multiple colours of QDs can be simultaneously excited using a single light source.


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