August 24, 2017 By combining an FDA-approved cancer immunotherapy with an emerging tumor-roasting nanotechnology, Dr. Vo-Dinh and group improved the efficacy of both therapies in a proof-of-concept study using mice. Read more Image A group of gold nanostars under an electron microscope. The nanostars' size causes them to accumulate within tumors, where researchers use infrared light to heat them and destroy cancerous growths.