StABIlizeandstorepurifiedDNAatRoomTemperature
DNAstāble™Plusenablesyoutopreserve,storeandshipyourpurifiedDNAsamplesatroomtemperatureinliquidandliquid-to-dryformats.ItoffersflexibilitywithThermostabilityatextremetemperatures,andtheabilitytohandlehighconcentrationsofDNA.Recoveryfromthedrymatrixisachievedwithinminutesbysimplyaddingwater.YourDNAsampleisreadyfordownstreamanalysiswithouttheneedforanyadditionalpurificationsteps.
| Properties | Biomatrica | Unprotected | ColdChain | 
|---|---|---|---|
| Yield | |||
| Stability | |||
| QualityofAmplification | |||
| LowConcentrationDNA | |||
| ShortTermStorage<1>1> | |||
| LongTermStorage>1year | |||
| ShippingRobustness | |||
| CostEffectiveness | 

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Figure1:ThegelimageaboveshowsprotectionofDNAsamplesstoredinDNAstablePlus(conc:50ng/ul)for6monthsat45°Cinliquidformatcomparedtounprotectedsamples(TE;novisiblebands).Thepositivecontrolsaresamplesstoredat4°C.

Figure2:Stabilityfor3yearsat60°CSamples1-3and10-12aboverepresentDNAstoredinTEbufferfor3yearsat4°Cinliquidformat(positivecontrol).Theremainingsampleswerestoreddryat60°Cfor3years.Samples4-9represent50ng/µLDNAstoredineitherDNAstablePlus(4-6)orTE(7-9).Samples13-18represent5ng/µLDNAstoredineitherDNAstablePlus(13-15)orTE(16-18).100ngofthetriplicatesamplesperconditionwererunona1%agarosegelstainedwithethidiumbromide.

Figure3:Stabilityfor6monthsat85°CThegelimageaboveshowsprotectionofDNAsamplesstoredinDNAstablePlus(conc:50ng/ul)for6monthsat85°Cinliquid-to-dryformatcomparedtounprotectedsamples(NP;novisiblebands).Thepositivecontrolsaresamplesstoredat4°C.

Figure4:Long-rangePCRassaysusingDNAsamplesstoredfor3yearsinDNAstablePlussamples1-3aboverepresentDNAstoredfor3yearsinTEbufferat4°Cinliquidformatwhiletherestofthesampleswerestoreddryat60°Cfor3yearsat50ng/µL.Samples4-6representDNAstoredinDNAstablePlus,whilesamples7-9representDNAstoredinTEbuffer.100ngofrehydratedDNAfromtriplicatesampleswereamplifiedusingKODXtreme™HotStartPCRkit(Novagen)with7.5kbhumanβ-globinprimers.

Figure5:HumangenomicDNAsampleswerestoredfor6monthsinanumberofconditions,recoveredandcompared.Fromlefttoright:Control4°C;StoredinDNAstablePlusat60°C;StoredinDNAstablePlusat85°C;Storedunprotected(TE)at60°C;andStoredunprotected(TE)at85°C(noDNArecovered).Thecontrolwasaliquidwhereasallothersampleswererecoveredfromadriedstate.

Figure6:qPCRtracesofDNArecoveryexperiments,describedaboveinFigure5.Representativetracesfromtriplicatesamplesareshown.

Figure7:DNArecoveredafterstorageat+85°Cfor3monthsindriedformat.SamplesprotectedwithDNAstablePlus(DSP)arerecoveredsimilarto-20°Ccontrols.However,non-protected(NP)samplesandcompetition“G”shownoDNArecovery.
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Biomatrica在每种疾病中都有一个潜伏期,在这个阶段,如果我们能够检测出该疾病,我们可以在致死性疾病之前进行治疗。



