A reversed-phase high-performance liquid chromatography method for the simultaneous determination of plasma concentrations of the narcotic analgesics alfentanil and fentanyl using papaverine hydrochloride as the internal standard is presented. Chromatographic separations were achieved with an Econos
A sensitive and specific radioenzymatic assay for the simultaneous determination of choline and phosphatidylcholine
β Scribed by Nancy A. Muma; Peter P. Rowell
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 412 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0165-0270
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
This report describes several modifications of the original radioenzymatic assay for serotonin (4) which increase the sensitivity of the assay IO-fold as well as enhance its reliability. Serotonin is converted to [3H]melatonin, in two steps. First, serotonin is acetylated to N-acetylserotonin by ace
## Abstract A method is described for the quantitative determination of the cyanogenic glycoside linamarin. A preseparation procedure for urine samples was necessary to remove interfering substances. This was done by solidβphase extraction on a silica column containing cyclohexyl functional groups,
Based on a recently discovered property of chloroacetamide herbicidesΓthe inhibition of the incorporation of oleic acid into sporopollenin of Scenedesmus acutusΓa rapid quantitative test was developed for chloroacetamide-type herbicidal activity. In this test, algal cells are incubated for 3 h with