Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Charles J. Umberger"'
Autor:
Frank F. Fiorese, Charles J. Umberger
Publikováno v:
Clinical Chemistry. 9:79-90
Glycine in quantities as small as 0.5 µg. can be detected as an orange-red color by a specific reaction with p-nitrobenzoyl chloride and pyridine. The procedure can be used both as a qualitative spot test and as a sensitive quantitative method. In a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fd59899ab872a73e03b4b486b7ee5fc
https://doi.org/10.1093/clinchem/9.1.79
https://doi.org/10.1093/clinchem/9.1.79
Autor:
Charles J. Umberger, Frank F. Fiorese
Publikováno v:
Clinical Chemistry. 9:91-96
Hippuric acid dissolved in pyridine producesa red-orange color upon the addition of benzenesulfonyl chloride. The color has a stable absorbance at 380 mµ. It is sensitive in microgram quantities of hippuric acid and follows the Beer-Lambert Law over
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db2d3017683b73a1c7518ff581ff7590
https://doi.org/10.1093/clinchem/9.1.91
https://doi.org/10.1093/clinchem/9.1.91
Publikováno v:
Analytical Biochemistry. 1:491-497
A method for the estimation of arsenic and antimony in biologic material is presented. It involves the evolution of arsine and stibine into a pyridine solution of silver diethyldithiocarbamate. The resulting color(s) are read spectrophotometrically.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e6489c251c6643f0664b447862c69c6
https://doi.org/10.1016/0003-2697(60)90062-2
https://doi.org/10.1016/0003-2697(60)90062-2
Publikováno v:
Journal of Biological Chemistry. 143:633-641
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e95ed812dd98e31a06d67bb6e62e95ee
https://doi.org/10.1016/s0021-9258(18)72594-5
https://doi.org/10.1016/s0021-9258(18)72594-5
Publikováno v:
American Journal of Clinical Pathology. 15:1-3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85ed72c1363d564e41bc2cad85f2a73d
https://doi.org/10.1093/ajcp/15.1_ts.1
https://doi.org/10.1093/ajcp/15.1_ts.1
Publikováno v:
Journal of chronic diseases. 14
1. 1. The present investigation, the first of its kind, was designed to compare the characteristics of pedestrians 18 years of age and older fatally injured in Manhattan with those who though similarly exposed were not similarly involved. The case se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2a4cff9e6ad3b58d821600ec58ea849
https://pubmed.ncbi.nlm.nih.gov/13903447
https://pubmed.ncbi.nlm.nih.gov/13903447
Publikováno v:
Analytical biochemistry. 8
A sensitive, simple method for the spectrographic determination of mercury in human tissue and body fluids is presented. The procedure includes an enrichment step wherein the mercury is deposited on copper dust in a manner analogous to column chromat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1ac4ccf1284f386fa77327e1d4df1bb
https://pubmed.ncbi.nlm.nih.gov/14218912
https://pubmed.ncbi.nlm.nih.gov/14218912
Autor:
Charles J. Umberger, Paritosh K. De
Publikováno v:
Developments in Applied Spectroscopy ISBN: 9781468487022
The use of mass spectrometry in forensic toxicology to detect acidic and neutral drugs is discussed. The speed and versatility of the mass spectrometer make it suitable for detecting these drugs and their metabolites. The advantages of using this met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a19eba433ec5ac7aba49aba268c308e
https://doi.org/10.1007/978-1-4684-8700-8_18
https://doi.org/10.1007/978-1-4684-8700-8_18
Publikováno v:
The Journal of Criminal Law, Criminology, and Police Science. 45:777
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbcd936fe469ebde9189d69a97a79c69
https://doi.org/10.2307/1139084
https://doi.org/10.2307/1139084
Publikováno v:
Southern Medical Journal. 48:326
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de48ece285be73cdb11e9ee20a90fbf5
https://doi.org/10.1097/00007611-195503000-00039
https://doi.org/10.1097/00007611-195503000-00039