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显示 31-53 共 53 条结果 关于 "W254606" 范围 论文
Yao-Hua Zhang et al.
Chemical senses, 36(2), 125-135 (2010-10-28)
Olfactory cues play a vital role in kin recognition and mate choice of the rat. Here, using 2 inbred strains of rats, Brown Norway (BN) and Lewis, as models to simulate kinship via genetic distance, we examined whether urine-derived volatiles
Fabian M Dayrit et al.
Food additives and contaminants, 21(3), 204-209 (2004-06-16)
3-Monochloro-1,2-propane diol is a suspected carcinogen found in hydrolysed vegetable protein products such as soy sauce. A method is described for the analysis of 3-monochloro-1,2-propane diol in soy sauce by gas chromatography-mass spectrometry at a concentration range of 1-5000 ng
R Paniagua et al.
Nephron, 69(2), 147-150 (1995-01-01)
Patients with chronic renal failure often have low plasma zinc (Zn) levels. Some factors that may account for abnormal Zn metabolism in these patients are low dietary Zn intake, a specific Zn transport defect, or absence of intestinal Zn ligand.
M Statheropoulos et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 822(1-2), 112-117 (2005-07-06)
A preliminary investigation on the possibility of using volatile organic compounds (VOCs) determination of expired air, blood and urine, for the early location of entrapped people in earthquakes, has been carried out. A group of 15 healthy subjects has been
Hans Günther Wahl et al.
Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 19(10), 2576-2583 (2004-07-29)
There is an ongoing discussion about the risks of di(2-ethylhexyl) phthalate (DEHP) exposure for the general population as well as for specific subgroups in various medical settings. Haemodialysis patients certainly belong to the group with the highest exposure taking into
G A Giussi et al.
Acta diabetologica latina, 16(2), 105-110 (1979-04-01)
Estriol serum levels, neonatal vitality and stromal villous edema were studied in diabetic pregnancies. The average serum estriol levels in diabetic patients whose placentas had villous edema was 26.45 +/- 9.16 ng/ml. This value was significantly lower than that of
Peter Stenvinkel et al.
Clinical journal of the American Society of Nephrology : CJASN, 1(2), 281-287 (2007-08-21)
Myeloperoxidase (MPO), which is secreted during activation of neutrophils, may serve as one mechanistic link among persistent inflammation, oxidative stress, and cardiovascular disease. This study related MPO activity to inflammatory and oxidative stress biomarkers, comorbidity, and ongoing medication in prevalent
Ingrid Kohl et al.
Journal of breath research, 7(1), 017110-017110 (2013-03-01)
We report on the search for low molecular weight molecules-possibly accumulated in the bloodstream and body-in the exhaled breath of uremic patients with kidney malfunction. We performed non-invasive analysis of the breath gas of 96 patients shortly before and several
A Q Zhang et al.
Clinica chimica acta; international journal of clinical chemistry, 233(1-2), 81-88 (1995-01-16)
The urinary excretion of dimethylamine has been measured in 203 unrelated healthy volunteers (102 male) who maintained their normal diets. The results for female volunteers are the first reported in the literature. The average daily output was 17.43 +/- 11.80
H G Wahl et al.
Journal of chromatography. A, 847(1-2), 117-125 (1999-08-04)
A multipurpose sampler (Gerstel MPS), designed for liquid large volume, gaseous and headspace samples was used for the GC-MS analysis of organic volatiles in human urine. Headspace sampling with a volume-, temperature- and speed-controlled gas-tight syringe was combined with a
H F Galley et al.
British journal of anaesthesia, 86(4), 578-580 (2001-09-28)
Nitric oxide synthase requires tetrahydrobiopterin for its activity. In animal models of sepsis, changes in circulating tetrahydrobiopterin concentrations precede increases in nitrate. We measured plasma tetrahydrobiopterin and nitrate concentrations on three consecutive days in 10 patients with septic shock and
H M Liebich
Journal of chromatography, 273(1), 67-75 (1983-03-11)
Total 4-heptanone is the sum of a beta-oxocarboxylic acid, 2-ethyl-3-oxohexanoic acid, and its decarboxylation product, 4-heptanone. The beta-oxocarboxylic acid is found in serum and in urine, and is detected by gas chromatography--mass spectrometry in the form of its methyl ester
C L Hoppel et al.
The American journal of physiology, 243(2), E168-E172 (1982-08-01)
The urinary excretion of acetylcarnitine was studied in patients with diabetic ketosis before and during insulin therapy and in normal-weight and obese subjects during fasting. In the diabetic ketotic patients, acetylcarnitine represented 61% of the total acylcarnitine excretion. During the
R E Ostlund et al.
Proceedings of the National Academy of Sciences of the United States of America, 90(21), 9988-9992 (1993-11-01)
D-chiro-inositol is a rare inositol isomer present in inositol phosphoglycans which are proposed mediators of insulin action. To study D-chiro-inositol metabolism in diabetes mellitus, a sensitive and specific assay was developed using negative-ion chemical ionization gas chromatography/mass spectrometry. Median urinary
Chih-Kuang Chuang et al.
Clinica chimica acta; international journal of clinical chemistry, 364(1-2), 209-216 (2005-08-10)
The high prevalence of protein-energy malnutrition is a critical issue for patients with end stage renal disease (ESRD) on hemodialysis (HD) or continuous ambulatory peritoneal dialysis (CAPD). Levels of plasma and intracellular amino acids are significant indicators of protein metabolism
V Walker et al.
Clinica chimica acta; international journal of clinical chemistry, 306(1-2), 51-61 (2001-04-03)
4-Heptanone is a common volatile constituent of human urine and is of unknown origin. We hypothesised that it arises from in vivo beta-oxidation of 2-ethylhexanoic acid (EHA) from plasticisers, similar to formation of 3-heptanone from valproic acid. We investigated urine
Organoleptic Characteristics of Flavor Materials
Mosciano, G.
Perfumer & Flavorist, 30, 41-41 (2005)
Mae Sheikh-Ali et al.
Diabetes care, 31(4), 643-647 (2008-01-11)
Current criteria for the diagnosis of diabetic ketoacidosis (DKA) are limited by their nonspecificity (serum bicarbonate [HCO(3)] and pH) and qualitative nature (the presence of ketonemia/ketonuria). The present study was undertaken to determine whether quantitative measurement of a ketone body
C S Shin et al.
Diabetes care, 24(4), 733-737 (2001-04-24)
The production of reactive oxygen species is increased in diabetic patients, especially in those will poor glycemic control. We have investigated oxidative damage in type 2 diabetic patients using serum 8-hydroxyguanine (8-OHG) as a biomarker. We studied 41 type 2
J Jankowski et al.
The Journal of clinical investigation, 112(2), 256-264 (2003-07-17)
NO prevents atherogenesis and inflammation in vessel walls by inhibition of cell proliferation and cytokine-induced endothelial expression of adhesion molecules and proinflammatory cytokines. Reduced NO production due to inhibition of either eNOS or iNOS may therefore reinforce atherosclerosis. Patients with
Kathleen M Dungan et al.
Diabetes care, 29(6), 1214-1219 (2006-05-30)
Postprandial hyperglycemia is often inadequately assessed in diabetes management. Serum 1,5-anhydroglucitol (1,5-AG) drops as serum glucose rises above the renal threshold for glucose and has been proposed as a marker for postprandial hyperglycemia. The objective of this study is to
E D Ehrenpreis et al.
Journal of clinical gastroenterology, 33(1), 36-40 (2001-06-22)
D-Xylose absorption testing is a simple, low-cost method of screening for small intestinal malabsorption. The optimum method to measure D-xylose absorption (serum vs. urine testing) is uncertain. We present a method of improving the accuracy of D-xylose testing. Fifty-one consecutive
Marcus A Bain et al.
Current drug metabolism, 7(7), 811-816 (2006-11-01)
L-Carnitine has important roles in intermediary metabolism and patients with end-stage renal disease who are undergoing hemodialysis may develop a secondary L-carnitine deficiency. The extent of accumulation of the metabolites trimethylamine and trimethylamine-N-oxide when L-carnitine is administered orally has not
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