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January 16th, 2004
Quantum dots could be toxic to cells
Researchers from the University of California at San Diego, US, have investigated the toxicity of semiconductor quantum dots to cells. Under certain conditions, quantum dots with a core of cadmium selenide (CdSe) proved to be acutely toxic. “On one hand, quantum dots are great biological labels for long-term tracking of live cells in vitro,” Sangeeta Bhatia of the University of California at San Diego told nanotechweb.org.
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