【药学】药物分析16第十六章_药品质量控制中的现代分析方法与技术.ppt
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1、药品质量控制中的现代分析方法与技术,Modern analytical methods & techniquesin quality control of drugs,第十六章,11/20/2021,药物分析,2,现代分析方法与技术,为药学的发展提供了适时而有效的手段与动力。,色谱及其联用技术: 药学研究分子水平。手性分析: 毛细管电泳及手性色谱技术药物研究与质量控制提供了保障。现代光谱技术: 药物结构鉴定, 微量杂质检定。,第一节 概况,11/20/2021,药物分析,3,Capillary electrophoresis,CE,Modern chromatogr & its
2、 application,药物现代色谱法及其应用,11/20/2021,药物分析,4,UPLC,UltraPerformance LC (UPLC ) technology starts with unique 1.7 m small-particle chemistries. Chromatographers no longer need to choose between speed and resolutionwith UPLC you get both.,11/20/2021,药物分析,5,Mass spectroscopy MSNuclear magnetic resonance s
3、pectrometry NMRX-ray diffraction methodNear infrared spectrometry NIRS,现代光谱法及其应用,Modern spectroscopy & its application in pharmaceutical analysis,11/20/2021,药物分析,6,Hyphenated Techniques in Chromatography,现代联用技术及其应用,HPLC-MS,CE-MS,第二节 液质联用技术与应用,2.1 离子化方式,11/20/2021,药物分析,9,11/20/2021,药物分析,10,11/20/
4、2021,药物分析,11,11/20/2021,药物分析,12,11/20/2021,药物分析,13,2.2 离子分离与测定模式,11/20/2021,药物分析,14,11/20/2021,药物分析,15,Full-Scan Mass Spectrometry,AdvantageProvides MW Information,11/20/2021,药物分析,16,Full-Scan MS of Buspirone,Buspirone (丁螺环酮)C21H31N5O2MW = 385,(M+H)+,(M+Na)+,11/20/2021,药物分析,17,Single Ion Monitoring
5、(SIM),AdvantagesTargeted Analyte MonitoringHigh Duty CycleSimple,DisadvantagesCan suffer from interferencesNot as sensitive or selective as SRM (see below),Fixed m/z,Pass All,Pass All,11/20/2021,药物分析,18,Product Ion Scanning: A Tandem MS Method,AdvantageProvides Structural Information,DisadvantageLow
6、 duty cycle,Fixed m/z,Pass All,Scanning,Product Ion Spectrum,Q3,Q2,Q1,11/20/2021,药物分析,19,Product Ion Spectrum of Buspirone,(M+H)+,11/20/2021,药物分析,20,Precursor Ion Scanning,AdvantageID compounds producing specific fragment ion (e.g., PO3 for phosphopeptides),DisadvantageLow duty cycle,Fixed m/z,Pass
7、All,Scanning,Precursor Ion Spectrum,Q3,Q2,Q1,11/20/2021,药物分析,21,Precursor Ion Scan Mode for Buspirone Metabolites,Precursor Ion Scan: Q3 set to m/z 122,11/20/2021,药物分析,22,Neutral Loss Scanning,AdvantageScreen for compounds producing specific neutral loss (e.g., loss of 176 for glucuronide conjugates
8、),DisadvantageLow duty cycle,Scanning,Pass All,Scanning,Neutral Loss Spectrum,Linked,Q3,Q2,Q1,11/20/2021,药物分析,23,Neutral Loss Scan of Buspirone Metabolites,Neutral Loss Scan: Q1/Q3 difference set to 121 Da,11/20/2021,药物分析,24,Selected Reaction Monitoring (SRM),AdvantagesTargeted Analyte MonitoringHig
9、h Duty Cycle“Simultaneous” Monitoring of Multiple Transitions,DisadvantageNo “advanced” structural information,Q1,Q2,Q3,11/20/2021,药物分析,25,MS/MS Selectivity in Complex Matrices,息斯敏阿斯咪唑(astemizole),11/20/2021,药物分析,26,Chlroamphenicol(氯霉素,CAP)残留测定黄杨生物碱成分鉴定苯甲酸利扎曲普坦人体药代动力学研究,2.3药物分析中的典型应用,11/20/2021,药物分析
10、,27,C11H12Cl2N2O5FMW=323.13,【类别】酰胺醇类抗生素【适应症】本品是治疗伤寒、副伤寒的首选药物,外用可治疗沙眼。因脑脊液浓度高,故常用于治疗细菌性脑膜炎和脑脓肿。此外,尚可外用治疗痤疮、酒糟鼻、脂溢性皮炎等。,被农业养殖滥用! 肉食品中严格检查。,2.3.1 Chlroamphenicol(氯霉素,CAP)残留测定,11/20/2021,药物分析,28,HPLC analysis was performed on the Finnigan Surveyor HPLC module with MS Pump and AutosamplerColumn: Thermo H
11、ypersil Gold C18 (1002.1 mm, 5)Mobile Phase: A: Water; B: AcetonitrileColumn Temperature: 40 oCGradient Program: 0.25 mL/minInjection: 20 uL with loop,11/20/2021,药物分析,29,Operation Conditions for CAP,11/20/2021,药物分析,30,Q1 peak width and H-SRM experiment,Enabling the H-SRM experiment Highly Selective
12、Selected Reaction Monitoring (H-SRM) Reduces “isobaric” chemical noise Increases confidence of analysis & improved LOQ,11/20/2021,药物分析,31,11/20/2021,药物分析,32,CAP SRM Result: CAP Standard Q1 peak width = 0.7 Da,CAP,Peak Area Counts = 2.4E4,11/20/2021,药物分析,33,CAP SRM Result: Kidney Blank,11/20/2021
13、,药物分析,34,CAP SRM Result: Kidney Spiked (0.5ng/g),CAP,Not accurate for confirmation,CAP detected,11/20/2021,药物分析,35,CAP H-SRM Result: CAP Standard Q1 peak width = 0.2 Da,Peak Area Counts = 7.3E3,11/20/2021,药物分析,36,CAP H-SRM Result: Kidney Blank,No CAP detected,11/20/2021,药物分析,37,CAP H-SRM Result: Kid
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