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Electron-capture gas chromatographic determination of cyanide, iodide, nitrite, sulfide, and thiocyanate anions by phase-transfer-catalyzed derivatization with pentafluorobenzyl bromide.
A sensitive gas chromatographic method has been established for the simultaneous determination of biologically active inorganic anions, including cyanide, iodide, nitrite, sulfide, and thiocyanate… Expand
Stereochemical analysis of betamethasone and dexamethasone by derivatization and high-performance liquid chromatography.
The derivatives obtained were easily recognized by a non-chiral silica column with n-hexane-dichloromethane-isopropanol as a mobile phase and a good separation was obtained for quantitation. Expand
Micellar electrokinetic chromatography of scopolamine-related anticholinergics.
Partial application of the MEKC method to the determination of scopolamine N-butylbromide in tablets proved to be feasible. Expand
Head‐column field‐amplified sample stacking in capillary electrophoresis for the determination of cimetidine, famotidine, nizatidine, and ranitidine‐HCl in plasma
Capillary electrophoresis (CE) method was applied for the determination of analytes extracted from plasma taken from a volunteer dosing a cimetidine, ranitidine, and nizatidine tablet simultaneously, and these three H2‐antagonists can be detected in real samples by this method. Expand
Trace analysis of haloperidol and its chiral metabolite in plasma by capillary electrophoresis.
The results show that (-)-RHP seems to be the only chiral metabolite from these two HP-dosed patients, and the in vivo metabolism of HP in Chinese schizophrenia patients is investigated. Expand
Simultaneous determination of cimetidine, famotidine, nizatidine, and ranitidine in tablets by capillary zone electrophoresis
Application of the CZE method to the assay of these drugs in tablets proved to be feasible and the recoveries were greater than 92%. Expand
Trace determination of methanol in water-ethanol solution by derivatization and high-performance liquid chromatography.
- S. Chen, H. Wu, C. Yen, S. M. Wu, S. J. Lin, H. Kou
- Chemistry, Medicine
- Journal of chromatography. A
- 13 March 1998
A simple and sensitive high-performance liquid chromatographic method has been established and has been satisfactorily applied to the assay of methanol in spiked commercial liquors. Expand
(J. Chromatogr. A,1145(1-2):234-240)Hair analysis for methamphetamine, ketamine, morphine and codeine by cation-selective exhaustive injection and sweeping micellar electrokinetic chromatography
A new method for CE-EC determination of mercaptopurine (MP) in a PMMA biochip with on-chip gold nano-electrode ensemble (GNEE) working and decouple electrodes.
- C. Chen, Y. Ho, S. M. Wu, G. Chang, C. H. Lin
- Materials Science, Medicine
- Journal of nanoscience and nanotechnology
- 1 February 2009
The proposed microchip device provides a novel and fast detection method for mercaptopurine analysis and the use of GNEE electrodes for both electric current decoupling and signal sensing not only enhances the signal response but also decreases the background noise during detection. Expand
Thin-layer chromatographic detection of glucocorticoids.
An adsorption thin-layer chromatography (TLC) is described for the detection of glucocorticoids including triamcinolone, prednisolone, 6 alpha-methylprednisolone, betamethasone, dexamethasone,… Expand