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当前位置: 首页 > 产品中心 > Other_biological_dyes > AAT Bioquest/Helixyte™绿色双链DNA定量试剂*200X二甲基亚砜溶液*/17598/10毫升
商品详细AAT Bioquest/Helixyte™绿色双链DNA定量试剂*200X二甲基亚砜溶液*/17598/10毫升
AAT Bioquest/Helixyte™绿色双链DNA定量试剂*200X二甲基亚砜溶液*/17598/10毫升
AAT Bioquest/Helixyte™绿色双链DNA定量试剂*200X二甲基亚砜溶液*/17598/10毫升
商品编号: 17598
品牌: aatbio
市场价: ¥39000.00
美元价: 23400.00
产地: 美国(厂家直采)
公司:
产品分类: 其他生物染料
公司分类: Other_biological_dyes
联系Q Q: 3392242852
电话号码: 4000-520-616
电子邮箱: info@ebiomall.com
商品介绍
Overview
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Ex/Em(nm)501/520
MW661.17
CAS#N/A
SolventN/A
StorageF/D/L
CategoryNucleicAcidDetection
DNADetection
RelatedLabelingCells
FluorescenceImaging
BiochemicalAssays
Helixyte™GreenisanexcellentnucleicacidsensorthatexhibitslargefluorescenceenhancementuponbindingtodsDNA.IthasthesamespectralpropertiestothoseofPicoGreen®,thusagreatreplacementtoPicoGreen®(PicoGreen®isthetrademarkofInvitrogen).ItisoneofthemostsensitivestainsavailableforquantifyingDNAinsolutions.UsingtheHelixyte™™Green,youcanselectivelydetectaslittleas25pg/mlofdsDNAinthepresenceofssDNA,RNA,andfreenucleotides.Theassayislinearoverthreeordersofmagnitudeandhaslittlesequencedependence,allowingyoutoaccuratelymeasureDNAfrommanysources,includinggenomicDNA,viralDNA,miniprepDNA,orPCRamplificationproducts.

Thisprotocolonlyprovidesaguideline,andshouldbemodifiedaccordingtoyourspecificneeds.

1.PreparingtheHelixyteGreen™workingsolution:

1.1   PrepareanaqueousworkingsolutionoftheHelixyteGreenbymakinga200-folddilutionoftheconcentratedDMSOsolutioninTE(10mMTris-HCl,1mMEDTA,pH7.5–8.0).Forexample,add50μLHelixyteGreento10mLTEtoprepareenoughworkingsolutiontoassay100samplesina200µLfinalvolume.Protecttheworkingsolutionfromlightbycoveringitwithfoilorplacingitinthedark.

Note1:Werecommendpreparingthissolutioninaplasticcontainerratherthanglass,asthedyemayadsorbtoglasssurfaces.

Note2:Forbestresults,thissolutionshouldbeusedwithinafewhoursofitspreparation.

2.PrepareserialdilutionsofdsDNAstandard(0to3ng/mL):

2.1   Preparea1mg/mLstocksolutionofdsDNA(suchascalfthymusDNAfromSigma)inddH2O.

2.2   Add10μLof1mg/mLdsDNAstocksolution(fromStep2.1)to998µLTEbuffertohave10μg/mLdsDNAsolution,andthenperform1:10and1:2serialdilutionstoget1000,100,50,25,12.5,6.25,3.125,and0ng/mL.

2.3   AdddsDNAstandardsandDNAcontainingtestsamplesintoa96-wellsolidblackmicroplateasdescribedinTables1and2.

 

Table1.LayoutofdsDNAstandardsandtestsamplesinasolidblack96-wellmicroplate*

BL

BL

TS

TS

….

….

 

 

 

 

 

 

DS1

DS1

….

….

….

….

 

 

 

 

 

 

DS2

DS2

 

 

 

 

 

 

 

 

 

 

DS3

DS3

 

 

 

 

 

 

 

 

 

 

DS4

DS4

 

 

 

 

 

 

 

 

 

 

DS5

DS5

 

 

 

 

 

 

 

 

 

 

DS6

DS6

 

 

 

 

 

 

 

 

 

 

DS7

DS7

 

 

 

 

 

 

 

 

 

 

*Note:DS=dsDNAStandards;BL=BlankControl;TS=TestSamples

 

Table2.Reagentcompositionforeachwell*

dsDNAStandard

BlankControl

TestSample

Serialdilutions*(100μL)

TE:100μL

100μL

*Note:AddtheseriallydilutionsofdsDNAstandardsfrom0.1to1000ng/mLintowellsfromDS1toDS7induplicate.

 

3.RundsDNAassay:

3.1   Add100μLofdsDNAassaymixture(fromStep1.1)toeachwellofthedsDNAstandard,blankcontrol,andtestsamples(seeStep2.3)tomakethetotaldsDNAassayvolumeof200µL/well.

Note1:Fora384-wellplate,add25μLsampleand25μLofdsDNAassaymixtureperwell.

Note2:Forcurvetbasedassays,add1mLsampleand1mLofdsDNAassaymixturepercurvet.

3.2   Incubatethereactionatroomtemperaturefor5to10minutes,protectedfromlight.

3.3   MonitorthefluorescenceincreasewithafluorescencemicroplatereaderatEx/Em=490/525nm(cutoffat515nm).

3.4   Thefluorescenceinblankwells(withtheTEbufferonly)isusedasacontrol,andissubtractedfromthevaluesforthosewellswiththedsDNAreactions.TheDNAconcentrationsofthesamplesaredeterminedfromthestandardcurvegeneratedinDNAStandardCurve.

 

References&Citations
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1.   PetersonEJ,KireevD,MoonAF,MidonM,JanzenWP,PingoudA,PedersenLC,SingletonSF.(2013)InhibitorsofStreptococcuspneumoniaesurfaceendonucleaseEndAdiscoveredbyhigh-throughputscreeningusingaPicoGreenfluorescenceassay.JBiomolScreen,18,247.

2.   ChenY,SonnaertM,RobertsSJ,LuytenFP,SchrootenJ.(2012)ValidationofaPicoGreen-basedDNAquantificationintegratedinanRNAextractionmethodfortwo-dimensionalandthree-dimensionalcellcultures.TissueEngPartCMethods,18,444.

3.   MorenoLA,CoxKL.(2010)QuantificationofdsDNAusingtheHitachiF-7000FluorescenceSpectrophotometerandPicoGreendye.JVisExp.

4.   DraganAI,Casas-FinetJR,BishopES,StrouseRJ,SchenermanMA,GeddesCD.(2010)CharacterizationofPicoGreeninteractionwithdsDNAandtheoriginofitsfluorescenceenhancementuponbinding.BiophysJ,99,3010.

5.   DraganAI,BishopES,Casas-FinetJR,StrouseRJ,SchenermanMA,GeddesCD.(2010)Metal-enhancedPicoGreenfluorescence:applicationtofastandultra-sensitivepg/mlDNAquantitation.JImmunolMethods,362,95.

6.   ABIodunOO,GbotoshoGO,AjaiyeobaEO,HappiCT,HoferS,WittlinS,SowunmiA,BrunR,OduolaAM.(2010)ComparisonofSYBRGreenI-,PicoGreen-,and[3H]-hypoxanthine-basedassaysforinvitroantimalarialscreeningofplantsfromNigerianethnomedicine.ParasitolRes,106,933.

7.   DraganAI,BishopES,Casas-FinetJR,StrouseRJ,SchenermanMA,GeddesCD.(2010)Metal-enhancedPicoGreenfluorescence:applicationfordouble-strandedDNAquantification.AnalBiochem,396,8.

8.   HoldenMJ,HaynesRJ,RabbSA,SatijaN,YangK,BlasicJR,Jr.(2009)FactorsaffectingquantificationoftotalDNAbyUVspectroscopyandPicoGreenfluorescence.JAgricFoodChem,57,7221.

9.   IkedaY,IwakiriS,YoshimoriT.(2009)DevelopmentandcharacterizationofanovelhostcellDNAassayusingultra-sensitivefluorescentnucleicacidstain"PicoGreen".JPharmBiomedAnal,49,997.

10.   RenX,XuQH.(2009)Label-freeDNAsequencedetectionwithenhancedsensitivityandselectivityusingcationicconjugatedpolymersandPicoGreen.Langmuir,25,43.


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品牌介绍
美国AAT Bioquest Inc.(前身是ABD Bioquest,Inc.)是一家为从事生命科学研究、诊断研发及药物开发的科学家研发、生产和销售生物分析研究试剂和试剂盒的公司。公司致力于光谱学检测领域,包括吸收(颜色)、荧光和发光技术。AAT Bioquest的产品帮助全世界的科学家和生物医药研究者更好的了解生物化学、免疫学、细胞生物学和分子生物学等领域。AAT Bioquest会不断研发新产品,快速地丰富各个领域的产品。 1)提供反应探针和发光探针,生物素和端粒酶能够应用于标记药物小分子和生物聚合物,如蛋白、核酸以及其他碳水化合物; 2)研究并生产荧光和发光探针用于检测蛋白,核酸和活细胞; 3)不断推出新型的荧光和发光探针用于检测多种酶,特别是检测水解酶和氧化还原酶类; 4)致力于开发用于信号转导研究的试剂; 5)提供生理和神经探针,特别是钙离子指示剂和膜电位探针。
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淋巴细胞信号传导 GPCR抗体 羰基活性生物素 细胞代谢 胺反应生物素 链霉亲和素结合物 生物素化抗IgGs 乙酰基特异性抗体 细胞骨架抗体
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