Bioengineers at the University of California integrated an olfactory receptor from a jumping bristletail (MhOR5) into graphene semiconductor chips. This device can detect and distinguish a wide range of small organic molecules — a task beyond the capabilities of traditional sensors. The receptor remains stable even after three months of storage at −80 °C. Potential applications span healthcare (e.g., monitoring air quality in hospitals), food safety, and environmental monitoring.
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