Lactate and glucose electrochemical biosensors for the evaluation of the aerobic and anaerobic threshold in runners

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Abstract
Lactate and glucose are measured in whole blood of athletes running on a treadmill by using two extracorporeal electrochemical biosensors. The lactate sensor was fixed to an endocrine artificial pancreas (Betalike) which had been used in previous extracorporeal experiments. The lactate sensor gave a signal which resulted in a well defined curve that allowed the evaluation of the aerobic as well as the anaerobic threshold. The results obtained with the glucose sensor supported the theory that muscie anaerobic glycolysis is dependent on muscle glycogen rather than on blood glucose.