药品质量控制中的现代分析方法与技术文档资料.ppt
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1、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,Capillary electrophoresis,CE,Modern chromatogr&its application,药物现代色谱法及其应用,UPLC,UltraPerformance LC(UPLC)technology starts with unique 1.7 m small-particle chemistries.Chromatographers no l
2、onger need to choose between speed and resolutionwith UPLC you get both.,Mass spectroscopy MSNuclear magnetic resonance spectrometry NMRX-ray diffraction methodNear infrared spectrometry NIRS,现代光谱法及其应用,Modern spectroscopy&its application in pharmaceutical analysis,Hyphenated Techniques in Chromatogr
3、aphy,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,2.2 离子分离与测定模式,Full-Scan Mass Spectrometry,AdvantageProvides MW Information,Full-Scan MS of Buspirone,Buspirone(丁螺环酮)C21H31N5O2MW=385,(M+H)+,(M+Na)+,Single Ion Monitoring(SIM),AdvantagesTargeted Analyte MonitoringHigh Duty CycleSimple,Disadvantage
4、sCan suffer from interferencesNot as sensitive or selective as SRM(see below),Fixed m/z,Pass All,Pass All,Product Ion Scanning:A Tandem MS Method,AdvantageProvides Structural Information,DisadvantageLow duty cycle,Fixed m/z,Pass All,Scanning,Product Ion Spectrum,Q3,Q2,Q1,Product Ion Spectrum of Busp
5、irone,(M+H)+,Precursor Ion Scanning,AdvantageID compounds producing specific fragment ion(e.g.,PO3 for phosphopeptides),DisadvantageLow duty cycle,Fixed m/z,Pass All,Scanning,Precursor Ion Spectrum,Q3,Q2,Q1,Precursor Ion Scan Mode for Buspirone Metabolites,Precursor Ion Scan:Q3 set to m/z 122,Neutra
6、l Loss Scanning,AdvantageScreen for compounds producing specific neutral loss(e.g.,loss of 176 for glucuronide conjugates),DisadvantageLow duty cycle,Scanning,Pass All,Scanning,Neutral Loss Spectrum,Linked,Q3,Q2,Q1,Neutral Loss Scan of Buspirone Metabolites,Neutral Loss Scan:Q1/Q3 difference set to
7、121 Da,Selected Reaction Monitoring(SRM),AdvantagesTargeted Analyte MonitoringHigh Duty Cycle“Simultaneous”Monitoring of Multiple Transitions,DisadvantageNo“advanced”structural information,Q1,Q2,Q3,MS/MS Selectivity in Complex Matrices,息斯敏阿斯咪唑(astemizole),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
8、坦人体药代动力学研究,2.3药物分析中的典型应用,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,HPLC analysis was performed on the Finnigan Surveyor HPLC module with MS Pump and AutosamplerColumn:Thermo H
9、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,Operation Conditions for CAP,Q1 peak width and H-SRM experiment,Enabling the H-SRM experiment Highly Selective Selected Reaction Monitoring(H-SRM)Reduces“isob
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