Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Billy W. Perry"'
Publikováno v:
Clinical Chemistry. 45:1255-1260
Background: A reliable indicator of cholestasis is the presence of abnormal concentrations of bilirubin mono- and diglucuronide [conjugated bilirubin (CB)] in blood. A routine assay of CB is available only to those who possess a certain type of clini
Autor:
A. Kessner, J. C. Koedam, Basil T. Doumas, R. C. Paule, R. B. Mccomb, Billy W. Perry, H. L. Vader, K. L. J. Vink
Publikováno v:
Clinical Chemistry. 36:1698-1701
Three laboratories in the U.S. and two in the Netherlands determined molar absorptivities (epsilon) of Standard Reference Material (SRM) 916a Bilirubin from the National Institute of Standards and Technology. In caffeine reagent the average epsilon v
Publikováno v:
Clinical Chemistry. 45:2041-2041
We read with interest the report on glycohemoglobin results in samples with hemoglobin (Hb) C or S trait by Roberts et al. (1). We recently evaluated another system for measuring HbA1c, the Bio-Rad Variant Express (Bio-Rad Laboratories). HbA1c values
Publikováno v:
Clinical Chemistry. 28:2305-2308
We evaluated the American Monitor Corporation kit for total and direct-reacting bilirubin and found that it suffers serious deficiencies, which lead to inaccurate and imprecise results. The main problem with the total-bilirubin procedure is that the
Candidate reference method for determination of total bilirubin in serum: development and validation
Autor:
P P Kwok-Cheung, B Jendrzejczak, Robert B. McComb, L L Hause, Billy W. Perry, Robert Schaffer, Basil T. Doumas
Publikováno v:
Clinical Chemistry. 31:1779-1789
This candidate Reference Method for measuring total bilirubin in serum is based on the Jendrassik-Gróf principle (Clin Chem 29: 297-301, 1983). Standard Reference Material no. 916 bilirubin (National Bureau of Standards) is used as the standard. Bil
Autor:
R N Rand, David D. Bayse, A Louderback, B Howell, S Krishnamurthy, Billy W. Perry, W. D. Fellows, Robert Schaffer, C C Garber, D Miller, R R Miller, T Koch, Basil T. Doumas, Robert B. McComb, A Cohen, T Butler
Publikováno v:
Clinical Chemistry. 29:297-301
Publikováno v:
Clinical Chemistry. 25:625-628
Commercial control preparations were exposed to light at room temperature for as long as 24 h. Decreases in creatine kinase activity in seven of the nine controls ranged from 28.8 to 83.3%. When these controls were protected from light and stored at
Publikováno v:
Clinical Chemistry. 33:1349-1353
We developed an enzymatic method for measuring direct-reacting bilirubin (DBIL) in serum. At pH 4.5, bilirubin oxidase (BOX) oxidizes mono-conjugated bilirubin, di-conjugated bilirubin, and most of the delta-bilirubin to biliverdin. The resulting dec
Publikováno v:
Clinical Chemistry. 19:984-993
Because of the inaccuracy of bilirubin (BIL) determinations, we have investigated some sources of error associated with the most commonly used methods. Inadequate standardization appears to be the most common error. BIL standards in either human seru
Publikováno v:
Cryobiology. 13(2)
Although several publications have emphasized the inadvisability of drying biologic materials containing dimethylsulfoxide (DMSO) by sublimation of ice in vacuo, the current studies showed a relationship to exist between the relative concentrations o