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First-void versus midstream urine culture for detection of Ureaplasma urealyticum in the urinary tract
(Soc Brasileira Microbiologia, 1995-07-01)
Quantitative Ureaplasma urealyticum culture was performed on clean first-void and midstream urine to evaluate the presence of these mollicutes in the urinary tract. The results, expressed as color changing units (CCU), ...
Preservation of urine samples for metabolic evaluation of stone-forming patients
(Springer, 2006-10-01)
Metabolic evaluation of stone-forming (SF) patients is based on the determination of calcium, oxalate, citrate, uric acid and other parameters in 24-h urine samples under a random diet. A reliable measurement of urinary ...
Fast ultrasound-assisted treatment of urine samples for chronopotentiometric stripping determination of mercury at gold film electrodes
(Elsevier B.V., 2006-06-30)
This work describes an efficient, fast, and reliable analytical methodology for mercury determination in urine samples using stripping chronopotentiometry at gold film electrodes. The samples were sonicated in the presence ...
EXPOSICAO DE CIRURGIOES-DENTISTAS AO MERCURIO
(1981-12-01)
The professional exposure of dental surgeons to mercury has attracted a great deal of attention from governmental organs and institutions in different countries. Considering that the normal ratio is 10 μg/1000 ml of urine, ...
Reliability of carnitine concentrations measured in single postprandial urine samples from dogs
(1996-08-01)
Objective - To evaluate the reliability of urine carnitine concentrations measured in single postprandial samples, compared with carnitine concentrations measured in 24-hour urine samples. Animals - 19 healthy Beagles. ...
Differential pulse polarographic determination of ceftazidime in urine samples with and without prior extraction
(Elsevier B.V., 1997-09-30)
Ceftazidime shows two main polarographic reduction peaks at pH 4.0, that at -0.45 V owing to reduction of the C=N bond in the methylethoxyimino group and that at -1.00 V owing to the reductive elimination of pyridine: the ...
Medial Septal Area Vasopressin Receptor Subtypes in the Regulation of Urine and Sodium Excretion in Rats
(Wiley-Blackwell Publishing, Inc, 2009-02-01)
The present study aimed to determine the effects of selective antagonists of V(1a), V(2), and V(1a)/V(2) (Conivaptan; Astellas Pharma Inc., Tokyo, Japan) arginine vasopressin (AVP) receptors on the flow of urine and sodium ...
EFEITOS DO SULFATE DE MAGNESIO NA HEMODINAMICA E FUNCAO RENAL DE CAES ANESTESIADOS CORN PENTOBARBITAL SODICO
(1996-01-01)
Background and objectives - The use of magnesium sulphate for the prevention of seizures in pre-eclampsia may induce hypermagnesemia. Clinical and experimental studies are not in agreement about the effects of magnesium ...
Is urine interleukin-8 level a reliable laboratory test for diagnosing late onset sepsis in premature infants?
(Oxford University Press, 2007-12-01)
The present study is aimed to determine serum and urine interleukin-8 (IL-8) levels in premature infants with late onset sepsis (LOS) and to evaluate if urine IL-8 is a useful test for LOS diagnosis. Fifty-six premature ...
Urinary Mutagenicity in Chemical Laboratory Workers Exposed to Solvents
(Japan Soc Occupational Health, 2008-09-01)
Solvents represent an important group of environmental pollutants to which people are exposed daily in the workplace. The physico chemical properties of solvents may result in disturbances to cellular structures, including ...