Medical Diagnostics Get a Scent-Based Upgrade
Artificial intelligence is reviving the ancient practice of diagnosing illness by smell, but with up to 1,000 times the precision of the human nose. Researchers are developing and commercializing 'e-nose' systems that analyze volatile organic compounds in a person's breath, sweat, or urine to detect diseases. In testing, this technology has shown it can reliably identify lung cancers, urinary-tract infections, and even Covid-19. Simpli-Fi Automation is now preparing to field-test a device for hospitals, using an exclusive license for NASA's scent technology to find common infections that are typically time-consuming and expensive to treat. In parallel, a collaboration between Harvard, MIT, and Mass General Brigham is developing systems to diagnose and eventually treat olfactory loss, potentially creating a 'cochlear implant for the nose'.
Industries Deploy E-Noses to Detect Contaminants and Fakes
Companies are moving beyond single-purpose sensors like smoke alarms to create 'universal smellers' for complex industrial environments. Ainos, an AI-focused firm, began deploying its e-nose technology in February to monitor semiconductor manufacturing and testing facilities. These sensors run 24/7 to detect trace gases or chemicals that could contaminate precision production lines and can also provide early warnings for overheating components. The technology's application extends to authenticating high-value goods. Osmo, an AI scent company, has worked with sneaker resellers to identify counterfeit products by analyzing the unique scent fingerprints of their materials, glues, and dyes. This method shows promise for authenticating other luxury goods like wine and perfume, where fakes are a persistent problem.
Agriculture Targets $1B Market with Scent-Driven AI
The agricultural sector is adopting e-nose technology to improve efficiency and reduce environmental impact. Agscent, an Australian company with an exclusive license for NASA's agricultural scent technology, is commercializing a breath-based bovine pregnancy test that has achieved 94% accuracy in lab trials. This non-invasive method is a significant improvement over traditional physical exams. The company is also developing tools for early detection of bovine respiratory disease, a condition that costs the American cattle industry an estimated $1 billion each year. At Harvard's Aizenberg lab, researchers are even creating wearable e-nose sensors for livestock that provide real-time data on health and methane emissions, allowing for more precise farm management.