Researchers have unveiled a promising advancement in cancer treatment that leverages light-based technology to eradicate tumor cells while sparing healthy tissue. By harnessing the power of LED technology and specialized nanomaterials, a team of scientists from the University of Texas at Austin and the University of Porto in Portugal has developed a therapy that can effectively target cancer cells with localized heat, minimizing damage to surrounding healthy cells.
The innovative approach involves utilizing tin oxide (SnOx) nanoflakes, ultra-thin particles less than 20 nanometers thick, to convert near-infrared light into precise heat energy. This breakthrough, detailed in a recent publication in the journal ACS Nano, showcases the potential for enhanced photothermal therapies that rely on light-induced heat to combat cancer.
Photothermal therapy, a noninvasive treatment method, heats cancer cells to eliminate them while preserving normal tissues. By introducing light-absorbing materials like SnOx nanoflakes into tumor cells, researchers can selectively target malignancies when exposed to specific wavelengths of light, triggering the nanomaterials to generate therapeutic heat without harming healthy tissues.
“Our goal was to create a treatment that is not only effective but also safe and accessible,” said lead researcher Jean Anne Incorvia, a professor of engineering at UT. “With the combination of LED light and SnOx nanoflakes, we’ve developed a method to precisely target cancer cells while leaving healthy cells untouched.”
Source: WIRED