Health

Breakthrough ‘MasSpec Pen’ Could Revolutionize Opioid Detection from Skin

2025-06-24

Author: Wei Ling

In a groundbreaking development, a novel pen-like device known as the ‘MasSpec Pen’ is poised to transform how we detect opioids such as fentanyl and oxycodone, linking it directly to the skin's surface. Traditionally, tests rely on invasive blood, saliva, or urine samples, but researchers from the American Chemical Society have unveiled a non-invasive solution that could save lives.

Inspired by previous research on using the MasSpec Pen for cancer diagnosis, coauthor William Clarke emphasizes the potential for rapid toxicology screening in medical settings. "Real-time access to addiction indicators could prompt quicker interventions for individuals at risk of overdose or those needing treatment for substance use disorders," he stated.

The study's innovative approach modifies the MasSpec Pen to facilitate swift and straightforward collection of skin molecules without extensive preparation. The device works by applying a droplet of water and ethanol onto the skin, where it extracts substances related to drug use. After just three seconds, the droplet is withdrawn, ready for immediate analysis or future testing.

In trials involving human participants with known exposures to fentanyl, results demonstrated the potential of the MasSpec Pen. While it detected fentanyl in seven skin samples, urine and saliva tests revealed a broader spectrum of drug presence. Notably, the MasSpec Pen’s readings were lower in detection capacity, likely influenced by timing of drug use and various external factors.

As urgency surrounding the opioid epidemic intensifies, this handy device’s portability and ease of use mark it as a promising tool in combating drug overdoses. Future research aims to refine its effectiveness, considering varying skin types and cleanliness, as well as users' exposure history.

With funding support from Eli Lilly, Welch Research Grant, and Thermo Fisher Scientific, researchers are optimistic about the next steps. The MasSpec Pen could become a pivotal player in medical environments where fast, non-invasive drug detection is crucial.

The implications extend beyond mere detection—tackling the opioid crisis could hinge on such innovative technology, making the MasSpec Pen a potential game-changer in emergency and clinical settings.