GenomicRelatednessoftheNewMatlabVariantsofVibriocholeraeO1totheClassicalandElTorBiotypesasDeterminedbyPulsed-FieldGelElectrophoresis
...spective,adistinctivefeatureofcholeraisitstendencytooccurasexplosiveoutbreaks,whichhaveoftenresultedinpandemics(9).Todate,sevenpandemicsofV.choleraeO1havebeenreported,andcholeraduetonewserogroupO139isbelievedtobetheeighthpandemic(9).TheO1serogroupofV.choleraeisfurtherclassifiedintotwobiotypes,namely...
医源资料库;在线期刊;微生物临床杂志;2005年第43卷第3期Acomparisonoffourmethodsoftonometry:methodagreementandinterobservervariability
...mictechnicians).Forthemajorityofmeasurements,observer2wasanophthalmologist(KS).Allobserversweretrainedandvalidatedintonometry.Measurementsweremadeinamaskedfashion:oneobserversetthedialtoa“random0“(between5mmHgand10mmHg);theotherobserverapplanated,turnedthedialtoobtaintheendpointwithoutlookingatt...
医源资料库;在线期刊;英国眼科学杂志;2005年第89卷第7期中科院1998年生物化学试题
...应,E+SESP那么决定其催化反应速度的常数是:()①Km;②Ks;③Kcat;④Kcat/Km。7、酶促反应降低反应活化能的能量来源于:()底物化学链的断裂可释放的化学能;酶与底物结合能;底物形变能;酶构象变化所释放的能量。8、某个...
医源资料库;医源习题集;生物化学PersistenceofKaposiSarcomaAssociatedHerpesvirus(KSHV)InfectedCellsinKSHV/HIV-1CoinfectedSubjectswithoutKSHV-AssociatedDiseases
...cyvirus(HIV)type1infectedsubjectswithoutKaposisarcomaassociatedherpesvirus(KSHV)associateddiseaseswereexaminedforKSHVinfection.KSHV-infectedcellsweredetectedataverylowfrequencyinthelymphnodesof7subjects(medianfrequency,2infectedcells/107lymphnodecells).Latent,butnotlytic,KSHVgeneexpressionwasdetecte...
医源资料库;在线期刊;传染病学杂志;2005年第191卷第3期PostprocessingTechniquesforTime-resolvedContrast-enhancedMRAngiography
...ingpostprocessingtechniques.Fourmethodswereevaluatedin50patients:defaultmasksubtraction,remaskedsubtraction,filteringbasedontheSD,andlinearfiltering.Theresultsdemonstratedthatpostprocessingtechniquessuchaslinearfilteringcanreducebackgroundmotionartifactsandimprovearterialcontrast-to-noiseratio. In...
医源资料库;在线期刊;中风学杂志;2001年第1卷第2期聚乙烯醇编织构建组织工程前交叉韧带的初步研究△
...广州辐照技术研究中心协助),电子拉力测试机(HounsfieldH25KSS,UK),激光共聚焦显微镜(ZEISSLSM510META,Siemens,Germany),扫描电子显微镜(PHILIPSESEM30)。 1.2方法 1.2.1支架材料的制备和力学性能检测 1.2.1.1将1条PVA纺丝纤维经...
医源资料库;在线期刊;中国矫形外科杂志;2007年第15卷第14期景富春,陈虹:肉苁蓉的神经保护作用研究进展
...活性检测等技术观察类叶升麻苷的作用,结果发现5和10mg/ks两个剂量组的类叶升麻苷均有改善东莨菪碱所致小鼠学习记忆障碍的作用,效果与哈伯因(石杉碱甲)相似;同时类叶升麻苷尚能拮抗小鼠大脑皮层胆碱酯酶(AchE)活性的升...
合作平台;医学论文;中西医结合论文;中医中药非心血管药物的致心律失常作用
...发病机制正常情况下,心肌细胞的外向电流(Ito、Ikr、Iks)和内向电流(Na+Ca2+)保持平衡,动作电位时程、形态正常,体表心电图QT间期正常。当Ikr受到药物的影响而发生阻滞,K+外流减少,并导致Ca2+内流增多,致使...
医源资料库;在线期刊;滨州医学院学报;2007年第30卷第6期Changesincaffeineintakeandlong-termweightchangeinmenandwomen
...hepreviousyeartheyhadconsumedcaffeinatedanddecaffeinatedcoffee,tea,softdrinks,orchocolate.Theparticipantscouldchoosefrom9responses(never,13times/mo,1time/wk,24times/wk,56times/wk,1time/d,23times/d,45times/d,and6times/d).UsingUSDepartmentofAgriculturefood-compositiondata...
医源资料库;在线期刊;美国临床营养学杂志;2006年83卷第3期SurveillanceofStaphylococcusaureusinVeterinaryTeachingHospitals
...R.Middleton)instoragemedia(brainheartinfusionslants;BectonDickinsonCo.,Sparks,MD),andstoredat–80°Cuntilprocessed.Medicalhistoryandpatientsignalment,whenavailable,werecollectedwitheachS.aureusisolate.AllS.aureusisolatessubmittedtothePIwerestreakedontoColumbiabloodagarcontaining5%sheepblood(Remel,L...
医源资料库;在线期刊;微生物临床杂志;2005年第43卷第6期