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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wang, Jianmeng Zhang, Nan Pang, Li Xu, Dahai Yan, Weiwei Wu, Jiang Chen, Haiyan |
| Description | Country affiliation: China Author Affiliation: Wang J ( Gereology Department, First Hospital of Jilin University, Changchun, 130021, China.); Zhang N ( Emergency Department, First Hospital of Jilin University, Changchun, 130021, China.); Pang L ( Emergency Department, First Hospital of Jilin University, Changchun, 130021, China.); Xu D ( Emergency Department, First Hospital of Jilin University, Changchun, 130021, China.); Yan W ( Emergency Department, First Hospital of Jilin University, Changchun, 130021, China.); Wu J ( Neurology Department, First Hospital of Jilin University, Changchun, 130021, China.); Chen H ( Gereology Department, First Hospital of Jilin University, Changchun, 130021, China.) |
| Abstract | A sensitive and selective LC-MS/MS method was developed and validated for the determination and pharmacokinetic investigation of segetalin A in rat plasma. Sample preparation was accomplished through a simple SPE procedure for the removal and preconcentration of the analyte and IS. Plasma samples were separated by HPLC on a Symmetry C18 column using a mobile phase consisting of methanol and 0.1% formic acid in water (70:30, v/v) with isocratic elution. The quantification was performed using multiple reaction monitoring with the transitions m/z 610.3 â 511.2 for segetalin A and m/z 779.4 â 751.4 for IS, respectively. The calibration curve was linear over the range of 8.0-4000 ng/mL with a limit of quantitation (LOQ) of 8.0 ng/mL. This method was applied in a pharmacokinetic study of segetalin A in rats. For intravenous (i.v.) administration, the plasma concentrations of segetalin A decreased quickly (t1/2z, 1.31 ± 0.341 h). For oral administration, the plasma concentrations of segetalin A increased to a peak value at 1.50 ± 0.577 h, followed by a gradual decrease to the LOQ in 12 h. The mean AUC values after i.v. and oral administration were 553 ± 105 and 1482 ± 110 ng h/mL, respectively. |
| File Format | HTM / HTML |
| ISSN | 02693879 |
| Issue Number | 4 |
| Volume Number | 30 |
| e-ISSN | 10990801 |
| Journal | Biomedical Chromatography |
| Language | English |
| Publisher | Wiley |
| Publisher Date | 2016-04-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Analytical Chemistry Discipline Molecular Biology Discipline Biochemistry Discipline Pharmacology Chromatography, High Pressure Liquid Methods Peptides, Cyclic Blood Tandem Mass Spectrometry Administration, Oral Animals Limit Of Detection Administration & Dosage Rats Rats, Wistar Reproducibility Of Results Solid Phase Extraction Journal Article Validation Studies |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Analytical Chemistry Drug Discovery Clinical Biochemistry Biochemistry Molecular Biology Pharmacology |
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