NucView™530Caspase-3Substrate,1mMinPBS,providesaconvenienttoolfordetectingapoptosisinintactcellsbasedoncaspase-3/7activityusingeitherconfocalmicroscopyorflowcytometry.
Incontrasttootherfluorogeniccaspasesubstratesorfluorescentcaspaseinhibitorbased(FLICA)assays,NucView™caspase-3substratescanbeusedtodetectcaspase-3/7activitywithinindividualintactcellswithoutinhibitingapoptosisprogression.NucView™substratesconsistofafluorogenicDNAdyecoupledtothecaspase-3/7DEVDrecognitionsequence.Thesubstrate,whichisinitiallynon-fluorescent,penetratestheplasmamembraneandentersthecytoplasm.Inapoptoticcells,caspase-3/7cleavesthesubstrate,releasingthehigh-affinityDNAdye,whichmigratestothecellnucleusandstainsDNAwithfluorescence.Thus,NucView™Caspase-3Substratesarebifunctional,allowingdetectionofcaspase-3/7activityandvisualizationofmorphologicalchangesinthenucleusduringapoptosis.Thestainingisalsoformaldehyde-fixable.
NucView™530Caspase-3Substratestainsapoptoticcellnucleiwithorangefluorescence(Ex/Em528/563nm,Figure1),fordetectionintheCy®3channelbyfluorescencemicroscopy(Figure2)orthePEchannelbyflowcytometry(Figure3).NucView™530canbeusedformulti-colorimagingwithblue,green,orfar-redfluorescentprobes.Notethatwhenexcitedbythe488nmlaserline,NucView™530alsofluorescesintheFITCchannel,andthereforecannotbeanalyzedtogetherwithgreenprobesbyflowcytometry.
NucView™530Caspase-3Substrateisavailableasa1mMsolutioninDMSO(catalogno.10406)orPBS(phosphate-bufferedsaline).ThesubstrateinPBSisformulatedforuseincellsthataresensitivetoDMSOtoxicity.Innon-DMSOsensitivecelltypes,addingDMSOduringthesubstrateincubationmayenhanceNucView™530staining.
Biotiumalsooffersbluefluorogenic NucView™405Caspase-3Substrate,andgreenfluorogenicNucView™488Caspase-3Substrateandkits.
CydyeisaregisteredtrademarkofGEHealthcare.
您买的GelRed是真的吗? 我们都知道EB很毒,但是您知道AO(吖啶橙)比EB更毒吗? AO(吖啶橙)也是能透过细胞膜完全嵌入细胞核DNA的。 正品GelRed的分子量在400以上,现在市面上大部分的假货、山寨货通过质谱分析分子量在200多,可以确定含有AO(EB的分子量在80几,AO的分子量是200以上) 为了您的身体健康,请从正规渠道购买正品,认准二维码防伪标,扫一扫,查真伪