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Fat Breathalyzer

Fat Breathalyzer 

BreathalyzerA device developed by researchers at NTT DOCOMO Research Laboratories analyzes breath to detect if the body is burning fat. Besides letting users know if that exercise regime is actually shedding some pounds, its creators say the portable sensor could be helpful for diabetics and those trying to lose weight manage their daily diet. The device detects the levels of acetone on one’s breath. The device, which is 10 cm (4 in) long, weighs 125 g (4.4 oz) and is powered by two AA batteries, features a pressure sensor to detect when someone breathes into it, and two types of semiconductor-based gas sensors that are capable of detecting acetone concentrations of 0.2 to 50 parts-per-million. After detecting the exhaled breath, the device calculates the acetone concentration levels and transmits the results to a smartphone within 10 seconds. Published in the Journal of Breath Research