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http://dx.doi.org/10.1111/j.1651-2227.1962.tb06508.x | DOI Listing |
J Clin Lab Anal
April 2007
Department of Laboratory Medicine, Toho University Ohashi Medical Center, Meguro, Tokyo, Japan.
Circulating bilirubin is thought to function as a physiological antioxidant. One of the decomposition products of this process is the biopyrrins, which include two regioisomers: biotripyrrin-a (1,14,15,17-tetrahydro-2,7,13-trimethyl-1,14-deoxy-3-vinyl-16H-tripyrrin-8,12-dipropionic acid) and biotripyrrin-b (1,14,15,17-tetrahydro-3,7,13-trimethyl-1,14-deoxy-3-vinyl-16H-tripyrrin-8,12-dipropionic acid). We measured biopyrrins in random urine specimens and investigated whether the biopyrrin values obtained were valid when expressed as a ratio of the creatinine (Cr) concentrations.
View Article and Find Full Text PDFJ Environ Pathol Toxicol Oncol
May 1990
Hypokinetic Physiology Laboratory, European Institute of Environmental Cybernetics, Athens, Greece.
Hypokinesia (diminished muscular activity) elicits substantial changes in energy and nutritional requirements in humans. The objective of this investigation was to determine the nutritional status of six physically healthy men aged 19 to 21 years under 95 days of hypokinesia without the use of any preventive measures. For the simulation of the hypokinetic effect the men were placed under 95 days of an ad libitum bed rest regimen.
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