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公司介绍
美国Worthington Biochemical Corporation成立于1947年,位于美国东海岸美丽海滨小城Lakewood, 有超过60年的生产经营历史,是世界上最主要的酶类供应商,是细胞分离酶的专家级公司。同时,也提供DNA/RNA纯化等分子生物学方面的产品。Worthington已经被购买和出售了好几次,并于1987年返回到沃辛顿家族。60年来,Worthington一直保持世界上高纯度酶的主要来源。
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Worthington/Papain Dissociation System/LK003153/3 bx

Worthington/Papain Dissociation System/LK003153/3 bx
  • Worthington/Papain Dissociation System/LK003153/3 bx
商品介绍
PapainDissociationSystemSource:N/ASetoffivesingleusevialsofpapainandfivesingleusevialsofDNase,100mlofEarle"sbalancedsaltsolution(EBSS),andaninhibitorvialforuseinthetissuedissociationmethodofHuettner,J.E.,andBaughman,R.W.:J.Neuroscience,6,3044(1986).UsetestedbyWorthingtonusingnew-bornratpupspinalcord.Thepackagecontainssufficientmaterialsfordissociationoffiveseparatetissuealiquotsofupto0.3-0.4cm3each.Storeat2-8°C.

TheWorthingtonPapainDissociationSystemisasetofreagentsintendedforuseintheneuralcellisolationmethodofHuettnerandBaughman(J.Neurosci.,6,3044,1986).Thematerialsaredesignedforconvenienceandsimplicityandareusefultotheoccasionaluseraswellasthemoreexperiencedandfrequentuser.Eachlotisusetestedforperformanceinratspinalneuralcellisolationandthiskitprovidesfreshlypreparedenzymesolutionsforeachdissociation.

StABIlity/Storage:Thereagentsarestableatambienttemperaturesfortheperiodsoftimeexpectedinnormalshippingprocedures,butthepackageshouldberefrigerateduponarrival.Contentsmaybestoredat2-8°Cfor4-6monthsbeforeuse.Storeat2-8°C.

PackageContents
Thepackagecontainssufficientmaterialsfordissociationoffiveseparatetissuealiquotsofupto0.3-0.4cm3each.Forlargertissuesamplesprepareproportionatelylargervolumesofreagentsateachstepandcombinetheminthesameratioasdescribedintheprotocol.

•Vial1:SterileEarle"sBalancedSaltSolution(EBSS)withcalcium,magnesium,bicarbonateandphenolred,onevialperpackage,100ml.Aliquotsofthisvialareusedtoreconstituteothervialsandtopreparediluteinhibitorsolution.RefrigeratebetweenusesandequilibratewithsterileO2:CO2beforeeachuse.

•Vial2:PapaincontainingL-cysteineandEDTA,5x100unitsingle-usevialsperpackage.Thematerialis0.22micronmembranefilteredandlyophilizedinautoclavedvials.Avialreconstitutedwith5mlofEBSS(Vial1)yieldsasolutionat20unitsofpapainpermlin1mML-cysteinewith0.5mMEDTA.Briefincubationat37°Cisneededtoinsurefullsolubilityandactivity.

•Vial3:DeoxyribonucleaseI(DNase),5x2000unitsingleusevialsperpackage.
Thismaterialis0.22micronmembranefilteredandlyophilizedinautoclavedvials.Avialreconstitutedwith0.5mlofEBSS(Vial1)yieldsasolutionat2000unitsofdeoxyribonucleaseperml.Avoidvigorousmixing.

•Vial4:Ovomucoidproteaseinhibitorwithbovineserumalbumin,onevialperpackage,32mluponreconstitution.
Thismaterialis0.22micronmembranefilteredandlyophilizedinautoclavedvials.Avialreconstitutedwith32mlofEBSS(Vial1)yieldsasolutionataneffectiveconcentrationof10mgsofovomucoidinhibitorand10mgsofalbuminperml.Aliquotsofthisvialareusedforeachdissociation.RefrigeratebetweenusesandequilibratewithsterileO2:CO2beforeeachuse.Stableafterreconstitutionwhenstoredat2-8°C.

AlsoincludedisacardcorrelatingcolorwithpHforuseasaguideinO2:CO2equilibration.

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品牌介绍

美国Worthington Biochemical Corporation成立于1947年,位于美国东海岸美丽海滨小城Lakewood, 有超过60年的生产经营历史,是世界上最主要的酶类供应商,是细胞分离酶的专家级公司。同时,也提供DNA/RNA纯化等分子生物学方面的产品。Worthington已经被购买和出售了好几次,并于1987年返回到沃辛顿家族。60年来,Worthington一直保持世界上高纯度酶的主要来源。

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