Výsledky vyhledávání - "P H Culbreth"

Growth Promotion in Broilers by Copolymer CRL87-61

Autor: T. N. Chamblee, C. D. Schultz, J. R. Thompson, J. P. Thaxton, P. H. Culbreth

Publikováno v: Journal of Applied Poultry Research. 1:373-381

CRL87-61 is one of a series of nonionic block copolymers which are being developed for use in human and animal medicine. Recent studies have suggested that this compound holds potential as a growth promoter in broiler chickens. Our report details res

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6200114bcb7d8a362c785b8191f5211
https://doi.org/10.1093/japr/1.4.373

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Development and validation of a liquid-chromatographic procedure for serum creatinine

Autor: F. W. Spierto, M. L. MacNeil, P H Culbreth, I W Duncan, C A Burtis

Publikováno v: Clinical Chemistry. 26:286-290

We evaluated and compared three analytical procedures for measuring creatinine by testing pooled sera and sera from individual human subjects. In two of the methods, an enzymic and a conventional colorimetric procedure, creatinine was separated from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70eb92d523431d6608bc90c4542f4722
https://doi.org/10.1093/clinchem/26.2.0286

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4-Nitrophenol in 4-nitrophenyl phosphate, a substrate for alkaline phosphatase, as measured by paired-ion high-performance liquid chromatography

Autor: C A Burtis, I W Duncan, P H Culbreth

Publikováno v: Clinical Chemistry. 23:2288-2291

We used paired-ion high-performance liquid chromatography to determine the 4-nitrophenol content of 4-nitrophenyl phosphate, a substrate for alkaline phosphatase analysis. This was done on a reversed-phase column with a mobile phase of methanol/water

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1449f7619d444c2c8343c522e5dc6605
https://doi.org/10.1093/clinchem/23.12.2288

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Multivariate and univariate optimization studies of liquid-chromatographic separation of steroid mixtures

Autor: P. H. Culbreth, D M Fast, Eric J. Sampson

Publikováno v: Clinical Chemistry. 28:444-448

We developed a high-performance liquid-chromatographic separation of five steroids (estriol, estradiol, cortisol, progesterone, and testosterone), eluting with a water-acetonitrile gradient from a reversed-phase (C18) column. By applying a simplex se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::620099cfbd35cb009da1c16f05ed2148
https://doi.org/10.1093/clinchem/28.3.444

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Determination of steroid hormones in a human-serum reference material by isotope dilution--mass spectrometry: a candidate definitive method for cortisol

Autor: D G, Patterson, M B, Patterson, P H, Culbreth, D M, Fast, J S, Holler, E J, Sampson, D D, Bayse

Publikováno v: Clinical chemistry. 30(5)

We report a method, based on isotope dilution--mass spectrometry, for determining cortisol in a pooled specimen of human serum. Isotopically labeled cortisol is added to 5.0 mL of serum so that the molar concentrations of labeled cortisol and unlabel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::4f5ea7ae9f31e668797f98b191f97730
https://pubmed.ncbi.nlm.nih.gov/6370495

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Contaminants in water used for 'high-performance' liquid chromatography

Autor: E J, Sampson, P H, Culbreth

Publikováno v: Clinical chemistry. 28(6)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::011b668eeffb58089691885d34876a13
https://pubmed.ncbi.nlm.nih.gov/7074950

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4-Nitrophenol in 4-nitrophenyl phosphate, a substrate for alkaline phosphatase, as measured by paired-ion high-performance liquid chromatography

Autor: P H, Culbreth, I W, Duncan, C A, Burtis

Publikováno v: Clinical chemistry. 23(12)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ebe74993f5f7c149d481e2b8062c93e1
https://pubmed.ncbi.nlm.nih.gov/200379

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Multivariate and univariate optimization studies of liquid-chromatographic separation of steroid mixtures

Autor: D M, Fast, P H, Culbreth, E J, Sampson

Publikováno v: Clinical chemistry. 28(3)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::2f7ea2e4275b19cb92f78b783c7e61c1
https://pubmed.ncbi.nlm.nih.gov/7067084

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