Zhang, the only female individual finalist, said her research was in part motivated by her family. Her great grandfather had liver cancer and her grandfather died of lung cancer when she was in seventh grade.
The particle she designed improves on current cancer treatments because it delivers a drug directly to tumor cells and doesn't affect healthy cells around it. The particle is also able to release a drug when activated by a laser. The idea is still years away from being used in patients, however. Zhang says it could take 25 years between clinical trials and other steps before her research is helping patients.
Geekologie
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