高速逆流色谱法分离纯化丹参并尝试制定中药指纹图谱
...效液相色谱HPLC和气相色谱GC)和光(波)谱(紫外光谱UV、红外光谱IR、质谱MS和核磁共振波谱NMR)。光谱和波谱指纹图谱由于选择性的限制,不能表达中药这样的混合体系中各种不同化学成分浓度分布的整体状况,因此色谱指纹...
药品天地;专业药学;中药大全;中药指纹图谱AbdominalAorticAneurysmRuptureIsAssociatedWithIncreasedMedialNeovascularizationandOverexpressionofProangiogenicCytokines
【摘要】Objective-Matrixmetalloproteinase(MMP)activityhasbeenlinkedtoabdominalaorticaneurysm(AAA)rupture.Medialneovascularization(MNV),ahistopathologiccharacteristicofAAAs,involvesproteolyticdegradationofextracellularmatrixbyMMPstofacilitateendothelialcellmigration.TheroleofMNVinaneurysmrupturei...
医源资料库;在线期刊;动脉硬化血栓血管生物学杂志;2006年第26卷第9期用高效液相色谱法分析植物组织中多胺含量技术的探讨
...超纯水,其它试剂为国产分析纯。2.2色谱条件色谱柱:NovapakC18柱(Waters,150×3.9mm,4um)。流动相:甲醇:水(60:40,v/v),检测波长为230nm,流速0.7ml/min,柱温30℃,Breeze色谱工作软件。2.3材料处理1.0~2.0g,加入4ml预冷的5%高氯酸(v/v...
药品天地;专业药学;实验技术;色谱技术;色谱分析实例QualityControlTrialforHumanImmunodeficiencyVirusType1DrugResistanceTestingUsingClinicalSamplesRevealsProblemswithDetectingMinoritySpecies
InstituteofClinicalandMolecularVirology,GermanNationalReferenceCentreforRetroviruses,UniversityofErlangen-Nürnberg,D-91054Erlangen,GermanyReceived9October2002/Returnedformodification12March2003/Accepted18May2003 ABSTRACTTopAbstractIntroductionMaterialsandMethodsResultsDiscussionReferencesBetweenJ...
医源资料库;在线期刊;微生物临床杂志;2003年第41卷第8期高效液相色谱法测定畜禽肉中土霉素、四环素、金霉素残留量
...10μL。5.7 流动相:乙腈/0.01mol/L磷酸二氢钠溶液(用30%(V/V)硝酸溶液调节pH2.5),35:65(V/V),使用前用超声波脱气10min。6.操作方法6.1 样品测定:称取5.00g(±0.01g)切碎的肉样(<5mm),置于50mL锥形烧瓶中,加入5%高氯酸25.0mL,于振荡...
药品天地;专业药学;实验技术;色谱技术;色谱分析实例InvolvementofDopamineSysteminRegulationofNa+,K+-ATPaseintheStriatumuponActivationofOpioidReceptorsbyMorphine
【关键词】InvolvementThestriatumisbelievedtobeacrucialbrainregionassociatedwithdrugreward.Adaptivealterationofneurochemistryinthisareamightbeonepotentialmechanismunderlyingdrugdependence.IthasbeenproposedthatthedysfunctionofNa+,K+-ATPasefunctionisinvolvedinmorphinetoleranceanddependence.Thepres...
医源资料库;在线期刊;分子药理学杂志;2007年第69卷第2期TypingofSaccharomycescerevisiaeClinicalStrainsbyUsingMicrosatelliteSequencePolymorphism
...ratoiredeParasitologieetMycologieMedicaleMNERTEA2413,FacultedePharmacie,UniversitedeMontpellierICentred‘EtudesurlePolymorphismedesMicro-organismes(UMRCNRS-IRD9926),InstitutdeRecherchepourleDeveloppement,Montpellier,FranceABSTRACTItseemsthatS.cerevisiae,whichwasthoughtforabout30yearstobeanonpathoge...
医源资料库;在线期刊;微生物临床杂志;2005年第43卷第3期谢晶日教授治疗胃癌前病变的经验
...重度)部分腺体轻度不典型增生。C呼气试验:Hp(一)。舌质紫暗,舌苔白腻,脉沉滑。诊断为“胃痞,证型为“胃阴亏虚。治法:益气养阴,疏肝和胃。处方:北柴胡15g,北沙参20g,石斛20g,茯苓20g,天花粉20g,党参20g,白...
求医问药;专家门诊;名家医案DistributionoftheBeijingFamilyGenotypesofMycobacteriumtuberculosisinTaiwan
ReferenceLaboratoryofMycobacteriology,DivisionofLaboratoryResearchandDevelopment,CenterforDiseaseControl,DepartmentofHealth,Taipei,TaiwanInternationalUnionAgainstTuberculosisandLungDisease,Paris,FranceABSTRACTToinvestigatethedistributionoftheBeijingfamilygenotypesofMycobacteriumtuberculosisinTaiwan,...
医源资料库;在线期刊;微生物临床杂志;2005年第43卷第1期含有种子残余物——glucosinolate含量测定
...剂必须是分析纯的,水符合ISO3696要求。甲醇——HPLC级70%(V/V)醋酸钠——0.02mol/LpH=4.0咪唑甲酸酯——6mol/L内标:一水合黑芥子硫苷酸钾(Mr=415.49)或在油菜籽中黑芥子硫苷酸钾自然存在的形式为glucosinolate。流动相:洗脱液A——经0.45...
药品天地;专业药学;实验技术;色谱技术;色谱分析实例