Helping Medicine with Graphene Quantum Dots

Researchers from the University of Sydney have recently published their findings that quantum dots made of graphene can improve bio-imaging and LEDs.

The study was published in the journal Nanoscale, where the scientists detailed how activating graphene quantum dots produced a dot that would shine nearly five times bright than the conventional equivalent.

Essentially, the dots are nano-sized semiconductors, which are fluorescent due to their surface properties. However, this study introduces the utilization of graphene in the quantum dot, which produces an extra-bright dot that has the potential to help medicine.

This from ABC Science:

The quantum dots in solution could also be injected into the body to bind to and detect cancer cells, the researchers say.

Graphene quantum dots would offer a relatively non-toxic alternative to current quantum dots proposed for use in the body.

Read the full article here.

Dr. Vincent Gomes, a physicist at the University of Sydney and an author of the study, believes this finding will be more efficient than the current standard for bio-imaging.

“Because they are made of carbon they are expected to be non-toxic and biodegradable,” said Gomes.

Aside from bio-imaging, the graphene quantum dots have electricity potential – with the ability to assist in making long-life batteries that charge and discharge in a matter of minutes instead of hours.

Head over to the Digital Library to see what other exciting research is happening with graphene and quantum dots.

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