نتایج جستجو برای: HPLC- MS- MS

تعداد نتایج: 152630  

Journal: :iranian journal of pharmaceutical research 0
peng-cheng fan general hospital of lanzhou command of pla jun ren general hospital of lanzhou command of pla hui-ping ma general hospital of lanzhou command of pla lin-lin jing general hospital of lanzhou command of pla jun ma general hospital of lanzhou command of pla zheng-ping jia general hospital of lanzhou command of pla

a quantitative analysis method for fudosteine in human serum by high-performance liquid chromatography-electrospray ionization tandem mass spectrometry (hplc-esi/ms/ms) was established, which shows high sensitivity and selectivity. the mobile phase composition was 75% 20 mm acetic acid and 25% acetonitril, which was pumped at a flow rate of 0.40 ml/min. the overall chromatographic run time was ...

Journal: :iranian journal of pharmaceutical research 0
heng luo centre of instrumental analysis, sichuan academy of chinese medicine sciences zhifang huang institute of traditional chinese medicine, sichuan academy of chinese medicine sciences xiaolong tang college of pharmaceuitcal science,chengdu university of traditional chinese medicine jinhai yi institute of traditional chinese medicine, sichuan academy of chinese medicine sciences shuiying chen funan jinsha community health service center of qingyang district andong yang centre of instrumental analysis, sichuan academy of chinese medicine sciences

the chemical components in the decoctions of chinese herbal medicines are not always the same as those in the crude herbs because of the insolubility or instability of some compounds. in this work, a high-performance liquid chromatography (hplc) coupled with electrospray ionization (esi) tandem mass spectrometry method was developed to explore dynamic variation patterns of aconitum alkaloids in...

Journal: :iranian journal of pharmaceutical research 0
jingze zhang department of pharmacy, logistics college of chinese people’s armed police forces, tianjin 300162, china. wenyuan gao school of pharmaceutical science and technology, tianjing university, no.92 weijin road, nankai district, tianjin 300072, china zhen liu school of pharmaceutical science and technology, tianjin university, tianjin 300072, china. zhidan zhang school of pharmaceutical science and technology, tianjin university, tianjin 300072, china changxiao liu the state key laboratories of pharmacodynamics and pharmacokinetics, tianjin, 300193, china.

high performance liquid chromatography (hplc) with diode array detection (dad) and electrospray ionization tandem mass spectrometry (esi/ms/ms) was used to analyze the main components in the methanol extract of fructus aurantii (fa) and the metabolites in rat biological samples after oral administration of the methanol extract of fa. there were 31 constituents identified in the extract of fa in...

Journal: :iranian journal of public health 0
piotr nowicki dept. of inorganic and analytical chemistry, poznan university of medical sciences , poznan, poland. jolanta klos dept. of inorganic and analytical chemistry, poznan university of medical sciences , poznan, poland. zenon j kokot dept. of inorganic and analytical chemistry, poznan university of medical sciences , poznan, poland.

the aim of this study was to determine the monthly dtr mass load of amphetamine-type compounds in poland as well as an investigation of cyclical behaviour by using time series analysis and especially trends analysis.amphetamine, methamphetamine and mdma (ecstasy) were detected in wastewater samples collected from the main wastewater treatment plant in the city of poznan using liquid chromatogra...

2017
Luigi Silvestro Isabela Tarcomnicu Simona Rizea Savu

Journal: :Journal of Chromatographic Science 2014

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