Usbio/I1904-82G小鼠抗IgG2a阴性同型对照（FITC）/I1904-82G/1ml
商品编号：
I1904-82G
品牌：
USbiological
市场价：
¥8560.00
美元价：
3638.00
产品分类：
其他
公司分类：
Immunological_reagent
联系Q Q：
3392242852
电话号码：
4000-520-616
电子邮箱：
info@ebiomall.com
商品介绍
IsotypeControls
Isotypecontrolsareatypeofnegativecontroldesignedtomeasurethelevelofnon-specificbackgroundsignalcausedbyprimaryantibodies, baseduponthetissuetypeofthesample. Non-specificbindingofprimaryantibodiesaretypicallycausedbythefollowingreasons
Usually,thebackgroundsignalistheresultofimmunoglobulinsbindingnon-specificallytoFcreceptorspresentonthecellsurface.Forexample, antibodiesraisedinmice,particularlythoseoftheIgG2aisotype,willbindstronglytosomehumanleukocytesregardlessofthetestantibody specificity.InthiscaseyouwouldneedamouseIgG2aisotypecontrolforusewithhumancellsortissues.Isotypecontrolsaremostcommonly usedinflowcytometryexperiments,butmayalsobeusedinimmunohistochemistry.
SelectinganIsotypeControl
Typically,anisotypecontrolismatchedtothehostspeciesandisotypeofyourspecificprimaryantibody,the heavychain (IgA,IgG,IgD,IgE,orIgM), subclass and lightchain (kappa,lamBDa)classoftheprimaryantibody; thesameFluorochrome(PE,APC,etc.),andhavethesameF:Pratio.F:Pisameasurementofhowmanyfluorescentmoleculesare presentoneachantibody.
Whenusingdirectlylabeledprimaryantibodies,itisalsonecessarytomakesurethattheisotypecontrolisconjugatedtothesamefluorochrome orlabelasthetestantibody.Itisnotsufficienttouseonewithaspectrallysimilarfluorochrome.
Non-specificBinding
Toavoidnon-specificbinding,youalsoneedtoblockFcreceptorsoncelltypes,suchasspleencells,withFcRblockingreagents.Isotypecontrolsshouldbeusedatthesameconcentration/dilutionastheprimaryantibody.Isotypecontrolsaremainlyusedtodetermineifthestainingisreal.Apartfromisotypecontrols,unstainedcellsshouldalwaysbeincludedinthe experimentalset-uptomonitorautofluorescence.
ApplicationsforIsotypeControls
Althoughisotypecontrolsaremainlyusedinflowcytometry,theycanbeusedasstandardblockingagentsandproteincoatingagentsforotherapplicationsincluding immunofluorescence,immunocytochemistry,westernblotting,andELISA.
Application
Suitableforuseasanegativecontrolinflowcytometry.Itsuseenablesanestimationofnon-specificbindingofmousemonoclonalantibodiestocellsurfacecomponentsinperipheralbloodandtissue.
RecommendedUsage
Flowcytometry–use10uldirectfromthevialper100ulofwholeblood,or1x10e6peripheralbloodmononuclearcells(PBMC)in100ulbuffer.
StorageandStABIlity:Storeat2-8°Cprotectedfromlight.Donotfreeze
Warning:Themonoclonalreagentsolutioncontains0.1%sodiumazideasapreservative.Duetopotentialhazardsarisingfromthebuildupofthismaterialinpipes,spentreagentshouldbedisposedofwithliberalvolumesofwater.
品牌介绍
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