Zobrazeno 1 - 10
of 71
pro vyhledávání: '"J. Koziet"'
Publikováno v:
Analytica Chimica Acta. 388:137-143
The determination of the repeatability (r) and reproducibility (R) of the ( 13 C / 12 C ) measurement in sugars and organic acids contained in different fruit juices was conducted on an international basis involving 17 laboratories. The mean values o
Publikováno v:
Analytica Chimica Acta. 340:21-29
An interlaboratory comparison by 13 C-isotope ratio mass spectrometry was organised by working group No. 1 of the European Commission of Standardisation (CEN/TC 174) in order to define the repeatability ( r ) and the reproducibility ( R ) of the 13 C
Isotope Ratio Mass Spectrometric Method for the On-line Determination of Oxygen-18 in Organic Matter
Autor:
J. Koziet
Publikováno v:
Journal of Mass Spectrometry. 32:103-108
A method for the on-line determination of oxygen-18, at a naturally occurring level, in organic material is presented. After pyrolysis of the samples to form carbon monoxide, which is performed at 1300°C in a vitreous carbon tube, the pyrolysis prod
Publikováno v:
Analytica Chimica Acta. 321:137-146
An inter-laboratory comparison study by deuterium NMR spectrometry was organized by working group No. 1 of the European Commission of Standardization (CEN/TC 174) in order to define the repeatability (r) and the reproducibility (R) of the site-specif
Publikováno v:
Analytica Chimica Acta. 302:29-37
Two inter-laboratory comparison studies were organised by a working group of the technical committee for the analysis of fruit and vegetable juices of the European Commission of Standardization (CEN/TC 174) on oxygen-18 and on deuterium determination
Autor:
J. Koziet, Bernard Jacotot, E. Dolé, A. François, H. Gandjini, P. Gambert, Nathalie Nicolaı̈ew, Elisabeth Cavallero
Publikováno v:
Annals of Nutrition and Metabolism. 39:71-84
We explored the effects of oral glycerol administration (20 g) alone or in combination with a mixed meal on postprandial lipids, free fatty acids, high-density lipoprotein cholesterol and retinyl palmitate. We also tested the meal alone as a control.
Autor:
M. Rongier, Dominique Darmaun, E Grasset, Bernard Messing, François Thuillier, B Just, J. Koziet
Publikováno v:
The American Journal of Clinical Nutrition. 59:1395-1402
To assess the effect of feeding on glutamine kinetics, six healthy men received 4-h intravenous infusions of L-[2-15N]glutamine and L-[1-13C]leucine on 3 separate days: 1) in the postabsorptive state, 2) over the course of an 8-h nasogastric infusion
Publikováno v:
Analytica Chimica Acta. 271:31-38
An inter-laboratory comparison, organized by a working group of the technical committee for the analysis of fruit and vegetable juices of the European Commission of Standardization (CEN/TC 174), was carried out between fifteen laboratories in seven E
Publikováno v:
Biological Mass Spectrometry. 20:777-782
Gas chromatography/isotope ratio mass spectrometry (GC/IRMS) coupling was used to evaluate (13C)ethanol incorporation into plasmatic very-low-density lipoprotein (VLDL) triglycerides of three healthy human volunteers. After the perfusion of 13C-enric
Publikováno v:
American Journal of Physiology-Endocrinology and Metabolism. 261:E713-E718
To assess the effect of insulin deficiency on whole body glutamine kinetics, five young adults with type I (insulin-dependent) diabetes received 4-h primed continuous infusions of L-[1-13C]leucine and L-[2-15N]glutamine in the postabsorptive state af