欢迎来到天天文库
浏览记录
ID:49748840
大小:2.72 MB
页数:22页
时间:2020-03-01
《多色流式细胞(FACS)调补偿与圈门.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Compensation,Controls,andDataCollection23-13536-00Rev.01CompensationGoalRemovespilloversignalssothatsubpopulationMFIsagree223-13536-00Rev.01DoesCompensationIncreaseDataSpread?UncompensatedCompensatedCompensationcorrectstheMFI,butcannotremoveallofthevariationincreasein
2、troducedbyspillover.However,undernormalconditionsthespreadinafluorescencemeasurementwithspilloverwilldecreasewhencompensationisapplied.Whenviewingdataonlogandbiexponentialplots,dataspreadappearstoincreasewhencompensationisapplied—thisisoftenavisualartifactduetothenon-l
3、inearscalingoftheplot.Spread323-13536-00Rev.01CytometerSettingsWorkflowObtainCS&TsettingsApplyapplicationsettingsVerifysettingswithsampleCalculatecompensation423-13536-00Rev.01CompensationforTandemDyesCompensationfortandemdyeconjugatescanvary,evenbetweentwoexperimentsw
4、iththesameantibody.Tandemdyesrequirecompensationthatis:lot-specificexperiment-specificlabel-specific523-13536-00Rev.01CompensationRules—Part1Thefluorescenceemissionspectrumofcompensationcontrolsmustmatchtheexperimentreagents—thisisespeciallycriticalwithtandemreagent
5、s.Compensationcontrolnegativeandpositivepopulationsmustbefromthesamecellorparticletype.Example:don’tuseaCD3–monocytenegativepopulationwithaCD3+lymphocytepositivepopulation.623-13536-00Rev.01CompensationRules—Part2Compensationcontrolsmustbebrightenoughtoobtaingoodsepar
6、ationbetweenthepositiveandnegativepopulations.Compensationcontrolsmustplacethepositivepopulationinthelinearrange.Whenusingcellsforcompensationcontrols,increasethenumberofeventstoatleast10,000pertube.WheneverMFItargetvalueschange,reruncompensation.723-13536-00Rev.01B
7、DCompBeadsUsethesameantibodiesasintheexperimentalsamples.Createbrightanduniformpositivefluorescencepeaks.Avoidusinglimitedsample.Beadsarecoatedwithanti-mousekappa*.*BDCompBeadsarealsoavailablecoatedwithanti-ratkappaandanti-hamsterkappa.CompBeadAconvenientwaytocreateac
8、curatesingle-colorcompensationcontrols823-13536-00Rev.01UnstainedCompensationControlTubeWhenshouldIuseanunstainedcomp
此文档下载收益归作者所有