M F Logachev

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Daily variations of the aspiration CO2 carbon isotope content (CIC) were studied at three metabolic states: norm, insulin-dependent diabetes (IDD), and obesity. The groups of subjects were studied in a clinic during 24 hours. Analysis of the delta 13C daily curves of the exhaled air CO2 allowed us to find the link between variations of CIC with daily(More)
The examination of diurnal variations in carbon isotope composition of CO2 under different hormonal-metabolic states in man revealed short-period inphase oscillations with a period of about 2-3 h. The oscillations occur throughout 24 h and their period is little dependent on the functional state of the organism. In endocrine pathologies, substantial(More)
Daily average carbon isotope composition of CO2 of expired air and urine urea in patients being in different hormonal-metabolic states was determined. The observations were carried out under conditions of clinic to provide standard diet, and the same daily and food taking regimes. In all persons, a substantial increase enrichment in 12C of CO2 of expired(More)
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