Innovative | Comprehensive | Always On
Cori measures lactate at the skin surface using electrochemical nanotechnology. We do not pass current through your skin. Instead, we rely on passive diffusion of analytes from sweat/interstitial fluid to a selective sensing layer, then convert molecular binding into an electrical signal the device can read.
Our body exudes a mixture of sweat and interstitial fluid (ISF), the sample matrix, which contains ions and molecules in very small quantities. Cori accesses analytes from this matrix by diffusion, where lactate and ions migrate toward the sensor interface without any skin puncture. The sensor also creates a very small electromagnetic field that polarizes ions within the sample matrix beneath the skin, drawing those ions - along with the target molecule, lactate - toward the sensor surface. No electrical current is passed through the skin.
When lactate molecules reach the sensor surface, they bind to a layer coated with lactate-specific protein molecules. This lock and key interaction initiates an electrochemical reaction that releases electrons only when lactate is present, giving the signal molecular specificity. Because the interstitial fluid is extremely dilute, the resulting electron signals are small. These raw signals then enter the field-effect layer, where they are amplified and stored for the wearable device to process in the next step.
The small electron signals from the electrochemical layer of the sensor are routed into a field-effect transduction stage, where changes in surface charge modulate a semiconductor channel and amplify the signal. The device continuously reads these processed signals, stores them locally, and displays the current lactate value on the screen. It also prepares the data for wireless transfer, sending the processed signal to the Cori mobile app, where it is organized into real-time values, trends, and session metrics in the next step.
We evaluated Cori against reference blood lactate in lab protocols and field sessions with human and equine athletes. Below are representative results:
Real-Time validation data of six representative equine athletes
Real-Time validation data of six representative human athletes
Real-time lactate, not guesswork.
Real-time values → Trends → Training intelligence
Cori device turns raw lactate signals into clear, intuitive training feedback you can use immediately and sends the data to the Cori mobile app over Bluetooth. The app displays real-time lactate values, live trend arrows, personalized zones, and automatic markers for splits and intervals. During your session, Cori flags threshold crossings, rising fatigue, and recovery transitions, letting you see exactly how your body is responding in the moment. Afterward, your workout is distilled into actionable insights that help you fine-tune pacing, intensity, and training load with confidence.
Real-time zones with automatic thresholds. Hold pace when it matters.
If lactate spikes early, Cori adjusts on the fly to protect quality.
Recovery guidance, trend analysis, and zone drift detection.
Real-time dashboard view with comprehensive lactate analytics and zone monitoring.
Real-time dashboard view with comprehensive lactate analytics and zone monitoring.
Comprehensive dashboard analytics with detailed session breakdowns and performance insights.
Comprehensive dashboard analytics with detailed session breakdowns and performance insights.
Long-term trend analysis and progress tracking with advanced dashboard visualization.
Long-term trend analysis and progress tracking with advanced dashboard visualization.
Advanced analytics dashboard with comprehensive performance metrics and historical data.
Advanced analytics dashboard with comprehensive performance metrics and historical data.
Non-Invasive | Real-time | Wearable
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