Výsledky vyhledávání - "R L, Fitzgerald"

Utility of insufflation filters in laparoscopic surgery

Autor: J. M. Sackier, R. L. Fitzgerald, S. M. Frankel

Publikováno v: Surgical Endoscopy. 12:1137-1140

To determine whether filters, regularly used as part of the insufflator tubing during laparoscopic surgery, trap microbial and particulate matter from CO2 tanks, thus preventing passage from one patient to another.A total of 67 used filters were coll

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33b17f79cdb86f477840debd14723653
https://doi.org/10.1007/s004649900800

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The Analysis of Neuroactive Steroids by Mass Spectrometry

Autor: R. H. Purdy, Loren H. Parsons, S. H. Mellon, A. A. Alomary, R. L. Fitzgerald, E. T. Everhart

Publikováno v: Handbook of Neurochemistry and Molecular Neurobiology

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e792aebb3ba7344292fa40ea9c8e35ba
https://doi.org/10.1007/978-0-387-30401-4_7

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Neurosteroid analysis

Autor: A A, Alomary, R L, Fitzgerald, R H, Purdy

Publikováno v: International review of neurobiology. 46

In this chapter, we review techniques used for the analysis of neurosteroids and discuss the advantages and disadvantages of each method. Because radioimmunoassay (RIA) procedures are well known, we focus more on the relatively recent mass spectromet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ff25f4c58060ebfc2f674bfeefe57016
https://pubmed.ncbi.nlm.nih.gov/11599313

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Broad spectrum drug identification directly from urine, using liquid chromatography-tandem mass spectrometry

Autor: R L, Fitzgerald, J D, Rivera, D A, Herold

Publikováno v: Clinical chemistry. 45(8 Pt 1)

Currently the rate-limiting step for mass spectrometric analysis of drugs in biological samples is sample preparation. Many gas chromatography/mass spectrometry (GC/MS) methods are specific for a certain class of compounds, requiring extraction and/o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::22df170db8fda51dff84958bc8ee1250
https://pubmed.ncbi.nlm.nih.gov/10430788

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Serum total testosterone: immunoassay compared with negative chemical ionization gas chromatography-mass spectrometry

Autor: R L, Fitzgerald, D A, Herold

Publikováno v: Clinical chemistry. 42(5)

We have developed an electron capture negative chemical ionization gas chromatography-mass spectrometry (GC-MS) procedure to quantify serum testosterone in the clinically relevant range 0.69-69.3 nmol/L and used this procedure to assess Ciba Corning

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::3fa69ab956f0e83606257b34424dcaa9
https://pubmed.ncbi.nlm.nih.gov/9267336

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Determination of blood lead by electron-capture negative chemical ionization gas chromatography-mass spectrometry

Autor: G S, Baird, R L, Fitzgerald, S K, Aggarwal, D A, Herold

Publikováno v: Clinical chemistry. 42(2)

An electron-capture negative chemical ionization (NCI) gas chromatography-mass spectrometry (GC-MS) method for determination of lead (Pb) in blood samples is described. Extraction of Pb from the sample does not involve hot digestion but is based on t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::7c43a83ffc9ebe7a42da063c93cfcc4b
https://pubmed.ncbi.nlm.nih.gov/8595725

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Detecting benzodiazepines: immunoassays compared with negative chemical ionization gas chromatography/mass spectrometry

Autor: R L, Fitzgerald, D A, Rexin, D A, Herold

Publikováno v: Clinical chemistry. 40(3)

We tested 231 urine samples by six immunoassay methods--EMIT d.a.u., EMIT II, Roche Abuscreen Online, Abbott TDx, Diagnostic Products Corp. (DPC) double-antibody radioimmunoassay (RIA), and Biosite Triage--and by negative chemical ionization gas chro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a8d48056ab57046d93a91ae4eaddaee0
https://pubmed.ncbi.nlm.nih.gov/8131270

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Fatality due to recreational use of chlorodifluoromethane and chloropentafluoroethane

Autor: R L, Fitzgerald, C E, Fishel, L L, Bush

Publikováno v: Journal of forensic sciences. 38(2)

Reports on fatalities of chlorofluorocarbons usually involve chlorotrifluoroethane, trichlorofluoromethane, dichlorodifluoromethane or chlorodifluoromethane, where analysis was done using packed column gas chromatography. In this case a death was cau

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ce7c5239349a4b75c53a13ee6e9f99d0
https://pubmed.ncbi.nlm.nih.gov/8455004

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