Zobrazeno 1 - 10
of 29
pro vyhledávání: '"V A Raisys"'
Autor:
V. A. Raisys, LaDonna C. Carlson, Rebecca B. Leonard, Mansour Samadpour, J. O. Kilburn, E. C. Böttger, Carolyn K. Wallis, Marie B. Coyle
Publikováno v:
Journal of Clinical Microbiology. 30:3206-3212
"Mycobacterium genavense" is a proposed new species recently reported to cause disseminated infections in 18 patients with AIDS in Europe. We have recovered "M. genavense" as slowly growing fastidious mycobacteria in blood cultures of seven patients
Autor:
P. Phipps, V. A. Raisys, Charles M. Callahan, Gregory D. Clark, Ann P. Streissguth, Therese Grant, Alvin H. Novack
Publikováno v:
The Journal of Pediatrics. 120:763-768
We studied the sensitivity of testing the newborn infant's hair, meconium, and urine in detecting gestational cocaine exposure. The infants were born to 59 women who were interviewed to determine their use of cocaine during pregnancy and whose hair w
Autor:
V. A. Raisys, Therese Grant, I. B. Rosenzweig, Charles M. Callahan, Ann P. Streissguth, Gregory D. Clark
Publikováno v:
Journal of Analytical Toxicology. 16:261-263
We describe an assay for measuring cocaine and benzoylecgonine in meconium of infants born to mothers suspected of using cocaine during their pregnancy. The assay involves the use of fluorescence polarization immunoassay (FPIA) to screen for benzoyle
Publikováno v:
Journal of forensic sciences. 38(1)
Using GC/MS in scanning mode as a screening and definitive identification methodology for substance abuse testing, 4500 urine samples have been analyzed. The accuracy and sensitivity of this method was evaluated by the results of 92 proficiency sampl
Publikováno v:
Clinical chemistry. 38(12)
We developed an ultrafiltration method for assaying free desipramine (DMI) in serum. An ultrafiltrate of DMI-containing serum was prepared by centrifugation through an Amicon Centrifree micropartition filter. Syva DMI solid-phase extraction (SPE) col
Publikováno v:
Journal of forensic sciences. 35(1)
Two college students developed symptoms of poisoning following ingestion of a salt solution during a college physiology laboratory exercise. Symptoms included nausea, vomiting, diarrhea, and altered consciousness. The ingested solution was identified
Publikováno v:
Clinical Chemistry. 29:527-530
Information on changes in the urinary excretion pattern of porphyrins can be especially useful in the diagnosis of disorders of porphyrin metabolism. Most clinical laboratory procedures are designed for assay of uroporphyrin and coproporphyrin only,
Publikováno v:
Clinical Chemistry. 25:172-175
We describe a gas-liquid chromatographic method for determining mephenytoin and its active metabolite, desmethylmephenytoin, in human serum. 5-Methyl-5-phenylhydantoin is used as the internal standard. The method involves extraction of the drugs by a
Autor:
V A Raisys, G P Butrimovitz
Publikováno v:
Clinical Chemistry. 25:1461-1464
We describe an improved micro-scale method for determining serum theophylline by reversed-phase liquid chromatography. Samples are deproteinized with two volumes of methanol containing beta-hydroxyethyltheophylline as an internal standard. The supern
Publikováno v:
Clinical Chemistry. 22:1675-1684
We have conducted a voluntary, community blood-gas proficiency testing program, with use of tonometered human blood, for 32 analyzers located in 16 laboratories. Instruments initially showed inaccuracies as large as -30.8 to +17.3% for po(2), and -14