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A Handheld Metabolic Device (Lumen) to Measure Fuel Utilization in Healthy Young Adults: Device Validation Study

A Handheld Metabolic Device (Lumen) to Measure Fuel Utilization in Healthy Young Adults: Device Validation Study

Metaflow Ltd developed Lumen, a novel metabolic fuel utilization breathalyzer, which is a personalized handheld device that provides an individual’s metabolic state in real time by measuring CO2 from exhaled breath (Figure 1). The device indirectly measures metabolic fuel usage via a CO2 sensor and a flow sensor to determine the rate of CO2 production from a single breath maneuver. The % CO2 in the exhaled volume of air is determined from a specific breathing maneuver with a breath hold of 10 seconds.

Kent Arnold Lorenz, Shlomo Yeshurun, Richard Aziz, Julissa Ortiz-Delatorre, James Robert Bagley, Merav Mor, Marialice Kern

Interact J Med Res 2021;10(2):e25371