超临界流体色谱法检测大豆磷脂
...记录。无水乙醇、三乙胺均为国产分析纯试剂。PC,PE,PI标准品购自Sigma公司大豆磷脂分别为本实验室超临界流体抽提萃取物和北京化学试剂公司产品。2.2色谱条件参考文献[2,7,8]所报道的内容,本实验所用色谱柱选择Sphefisor...
药品天地;专业药学;实验技术;色谱技术;色谱论文Palmitoylationofthe5-Hydroxytryptamine4aReceptorRegulatesReceptorPhosphorylation,Desensitization,and-Arrestin-MediatedEndocytosis
...cs.Inthisstudy,weshowedthatupon5-HTstimulation,the5-HT4areceptorundergoesrapid(t2min)anddose-dependent(EC50180nM)phosphorylationonserineresiduesbyastaurosporine-insensitivereceptorkinase.OverexpressionofGRK2significantlyreducedthereceptor-promotedcAMPformation.TheCys328/329-Sermutant,whichisconstitu...
医源资料库;在线期刊;分子药理学杂志;2005年第67卷第5期神经酰胺对结核杆菌低分子多肽抗原诱导的γδT细胞活化及凋亡作用
...eramide(N-acetyl-D-sphingosine,C2-Cer),SMase,FumonisinB1及碘化丙锭(propidiumiodide,PI)是Sigma产品;MTT是Fluka产品;鼠抗人荧光单抗CD3-PE,TCRγδ-PE,CD4-PE,CD-FITC,CD8-FITC,CD45-FITC购自BectonDickinson或Dako公司;SDS,RNase及二甲基甲酰胺(N’,N-dimethylfor...
合作平台;医学论文;临床医学与专科论文;检验医学TheUnionofVascularandMetabolicActionsofInsulininSicknessandinHealth
...ctionDisordersofmetabolichomeostasisincludingtype2diabetes,obesity,anddyslipidemiasarecharacterizedbybothinsulinresistanceandendothelialdysfunction.1Insulinresistanceandendothelialdysfunctionarealsoprominentfeaturesofimportantcardiovasculardisordersincludinghypertension,coronaryarterydisease,andathe...
医源资料库;在线期刊;动脉硬化血栓血管生物学杂志;2005年第25卷第5期北京大学1989年硕士研究生入学考试生物化学试题
... 2、今有以下4种蛋白质的混合物:(1)分子量12,000,pI=10;(2)分子量62,000,pI=4;(3)分子量28,000,pI=7;(4)分子量9,000,pI=5;若不考虑其它因素,当它们 (A)流过DEAE-纤维素阴离子交换柱,用线性盐梯度洗脱时...
医源资料库;医源习题集;生物化学PTENActivityIsModulatedDuringIschemiaandReperfusion
...generatesprofoundbuttransientprotectionagainstasubsequentprolongedischemicepisode.Theserine-threoninekinaseAkthasbeenshowntomediateIPC,andAktactivationisnegativelyregulatedbythephosphatasePTEN,butwhetherPTENactivityismodulatedbyIPChasnotbeeninvestigated.Whenisolated,perfusedratheartsweresubjectedtoa...
医源资料库;在线期刊;循环研究杂志;2005年第95卷第12期PlasmaB-TypeNatriureticPeptideLevelsAreAssociatedWithEarlyCardiacDysfunctionAfterSubarachnoidHemorrhage
...noftheleftventricle.ThesefindingssupportthehypothesisthattheheartreleasesBNPintothesystemiccirculationearlyafterSAH.KeyWords:aneurysmechocardiographynatriureticpeptides,atrialstrokesympatheticnervoussystemIntroductionB-typenatriureticpeptide(BNP)isreleasedfromtheheartinpatientswithmyocardialinfarcti...
医源资料库;在线期刊;中风学杂志;2005年第36卷第7期植物抗虫基因工程的研究进展
...是从植物中分离出来的抗虫基因,如蛋白酶抑制剂基因(PI基因)、淀粉酶抑制剂基因、外源凝集素基因等。其中Bt基因和PI基因在农业上利用最广,本文对这两类基因的转基因工程研究作一简要综述。 1、Bt毒蛋白基因 1.lBt...
医药经济;生物技术;实验技术;生物工程下游技术AntiangiogenicActivityofaDomainDeletionMutantofTissuePlasminogenActivatorContainingKringle2
...eWeatherallInstituteofMolecularMedicine,UniversityofOxford,JohnRadcliffeHospital,Oxford,UK.CorrespondencetoAdrianL.Harris,JohnRadcliffeHospital,Headington,Oxfordshire,OX39DSUnitedKingdom.E-mailaharris.lab@cancer.org.ukAbstractObjective—Thethrombolytictherapydrug,Reteplase,isadomaindeletionmutantof...
医源资料库;在线期刊;动脉硬化血栓血管生物学杂志;2005年第25卷第4期RegulationofrenalNaPi-2expressionandtubularphosphatereabsorptionbygrowthhormoneinthejuvenilerat
...Growthhormone(GH)isanimportantfactorinthedevelopmentaladaptationtoenhancePireabsorption;however,thenephronsitesandmechanismsbywhichGHregulatesrenalPiuptakeremainunclearandarethefocusofthepresentstudy.Micropunctureexperimentswereperformedafteracutethyroparathyroidectomyinthepresenceandabsenceofparath...
医源资料库;在线期刊;美国生理学杂志;2004年第287卷第7期