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Analysis of methamphetamine and its metabolites in hair.
Methamphetamine (MA) is a sympathomimetic amine whose abuse has become a serious problem in Japan, Korea, Taiwan and other Southeast Asian countries. The use of hair for the determination of MA useExpand
Simultaneous chiral determination of methamphetamine and its metabolites in urine by capillary electrophoresis-mass spectrometry.
A capillary electrophoresis-mass spectrometry method for the simultaneous chiral determination of enantiomers of methamphetamine (MA), amphetamine (AP), dimethylamphetamine (DMA) andExpand
Analysis of reaction products of cocaine and hydrogen peroxide by high-performance liquid chromatography/mass spectrometry.
The change of chemical structure of cocaine in the presence of hydrogen peroxide, a main component of hair dye and decolorant treatments, was studied. High-performance liquid chromatography/massExpand
HPLC/Chemiluminescence Detection of Methamphetamine and Amphetamine in Black and White Hair Samples
Black and white hair samples were obtained from black-, gray-(i. e., a mixture of black and white hair) and white-haired methamphetamine (MA) users, and MA and amphetamine (AP) were determined byExpand
Analysis of reaction products of morphine and codeine with hydrogen peroxide by high-performance liquid chromatography/mass spectrometry.
Changes in the chemical structures of morphine and codeine in the presence of hydrogen peroxide, a major component of hair dye and decolorant treatments, were examined with high-performance liquidExpand
Investigation of the Causes of Diffuse Otitis Ezterna.
Four types of investigation of the causes of diffuse otitis externa revealed the following:1) Bacteriological examinations of 54 patients (54 ears) with diffuse otitis externa with effusion showed 53Expand