Researchers from India use mango leaves to make fluorescent graphene quantum dots
Researchers from the Indian Institute of Technology (IIT) have used mango leaves to synthesize fluorescent graphene quantum dots, and integrated those into probes for bioimaging and intracellular temperature sensing.
The unique quantum dots are reportedly biocompatible, have excellent photostability and show no cellular toxicity. To make them, the team cut mango leaves and froze them using liquid nitrogen. The frozen leaves were crushed into powder and dipped in alcohol. The extract was centrifuged and the supernatant evaporated in an evaporator and then heated in a microwave for five minutes to get a fine powder.
Source: http://www.graphene-info.com/researchers-india-use-mango-leaves-make-fluorescent-graphene-quantum-dots
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