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A light-based cancer treatment can destroy tumors in just 30 minutes.
Scientists at the University of Texas at Austin and the University of Porto have pioneered a transformative approach to cancer therapy that leverages the power of light and nanotechnology.
By utilizing ultra-thin tin oxide (SnOx) nanoflakes, the team has created a system that reacts specifically to near-infrared LED light. This reaction occurs in as little as 30 minutes, converting light into localized heat that effectively neutralizes malignant cells. In laboratory trials, this rapid process successfully destroyed up to 92% of skin cancer cells, representing a major leap forward in making oncology treatments more efficient and less invasive.
The true strength of this technology lies in its exceptional precision and accessibility. Unlike traditional therapies like chemotherapy that can damage surrounding healthy tissue, these tin oxide nanoflakes are designed to target cancer cells specifically, leaving normal human skin fibroblasts unharmed. Because the method uses affordable LEDs instead of expensive medical lasers, it significantly reduces material costs and complexity. Beyond its immediate therapeutic potential, this innovation holds promise for future medical imaging and portable treatments, offering a hopeful step toward safer, more localized, and highly effective cancer care.
source: University of Texas at Austin & University of Porto. (2025). LED Light and Tin Nanoflakes Selectively Destroy Cancer Cells While Sparing Healthy Tissue. ACS Nano.

ALT A light-based cancer treatment can destroy tumors in just 30 minutes.
Scientists at the University of Texas at Austin and the University of Porto have pioneered a transformative approach to cancer therapy that leverages the power of light and nanotechnology.
By utilizing ultra-thin tin oxide (SnOx) nanoflakes, the team has created a system that reacts specifically to near-infrared LED light. This reaction occurs in as little as 30 minutes, converting light into localized heat that effectively neutralizes malignant cells. In laboratory trials, this rapid process successfully destroyed up to 92% of skin cancer cells, representing a major leap forward in making oncology treatments more efficient and less invasive.
The true strength of this technology lies in its exceptional precision and accessibility. Unlike traditional therapies like chemotherapy that can damage surrounding healthy tissue, these tin oxide nanoflakes are designed to target cancer cells specifically, leaving normal.