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Hycult Biotech/Nitrotyrosine, ELISA kit/HK50101/1 x 96 det.188bio精品生物—专注于实验室精品爆款的电商平台 - 蚂蚁淘旗下精选188款生物医学科研用品
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Hycult Biotech/Nitrotyrosine, ELISA kit/HK50101/1 x 96 det.

Description:Nitrotyrosine,ELISAkit

NitrotyrosinehasbeenidentifiedasaMarkerofinflammationandNOproduction.NitrotyrosineisformedinpresenceoftheactivemetaboliteNO.Variouspathwaysincludingtheformationofperoxinitriteleadtonitrotyrosineproduction.Sincenitrotyrosineisastableendproductofperoxynitriteoxidation,assesmentofitsplasmaconcentrationmaybeusefulasamarkerofNO-dependentdamageinvivo.SinceNOxisonlyanindicatorforenhancedNOproduction,proteinassociatednitrotyrosinemightbeamoresuitablemarkerfordamageinducedbyreactivenitrogenintermediatesderivedfromNO.Furthermore,mostproteinshavealongerhalflifeinthecirculationthanNOxlevels.Thepresenceofnitrotyrosinehasbeendetectedinvariousinflammatoryprocessesincludingatheroscleroticplacques,celiacdisease,rheumatoidarthritis,chronicrenalfailureandsepticshock.Innormalplasmalow,undetectable,levelsofnitrotyrosinearepresent.Nitrosylationoftheaminoacidtyrosineoccursbothforfreetyrosineandforproteinboundtyrosine.TheELISAdetectsnitrotyrosinecontainingproteins.Sincetheassaydetectsamodifiedaminoacidtheassayisusefulforproteinsofallspecies.

Specifications:

CatalognumberHK501-01
ProducttypeAssays
Quantity1x96det.
Standardrange2-1,500nM
Detectionlevel2nM
Workingvolume100µl/well
SpeciesN/A
ApplicationTheNitrotyrosineELISAkitistobeusedfortheinvitroquantitativedeterminationofnitrotyrosineinplasmaandotherbiologicalsamples.
DiseaseAutoimmunity,Cardiologyandmetabolism
PrincipleTheNitrotyrosineELISAisaready-to-usesolid-phaseenzyme-linkedimmunosorbentassaybasedonthesandwichprinciplewithaworkingtimeof3½hours.Theefficientformatofaplatewithtwelvedisposable8-wellstripsallowsfreechoiceofbatchsizefortheassay.Samplesandstandardsareincubatedinmicrotiterwellscoatedwithantibo­diesrecognizingnitrotyrosine.Biotinylatedtracerantibodywillbindtocapturednitrotyrosine.Streptavidin-peroxidaseconjugatewillbindtothebiotinylatedtracerantibody.Streptavidin-peroxidaseconjugatewillreactwiththesubstrate,tetramethylbenzidine(TMB).Theenzymereactionisstoppedbytheadditionofcitricacid.Theabsorbanceat450nmismeasuredwithaspectrophotometer.Astandardcurveisobtainedbyplottingtheabsorbance(linear)versusthecorrespondingconcentrationsofthenitrotyrosinestandards(log).Thenitrotyrosineconcentrationofsamples,whicharerunconcurrentlywiththestandards,canbedeterminedfromthestandardcurve.
StorageandstabilityProductshouldbestoredat4°C.Underrecommendedstorageconditions,productisstableforoneyear.
PrecautionsForresearchuseonly.Notforuseinoronhumansoranimalsorfordiagnostics.Itistheresponsibilityoftheusertocomplywithalllocal/stateandFederalrulesintheuseofthisproduct.HycultBiotechisnotresponsibleforanypatentinfringementsthatmightresultwiththeuseoforderivationofthisproduct.
References1.terSteege,Jetal;NitrotyrosineinplasmaofceliacdiseasepatientsasdetectedbyanewsandwichELISA.FreeRadicBiolMed1998,25:953
2.Whiteman,Metal;Lackoftyrosinenitrationbyhypochlorousacidinthepresenceofphysiologicalconcentrationsofnitrite.Implicationsfortheroleofnitrylchlorideintyrosinenitrationinvivo.JBiolChem2003,278:8380
3.DelgadoAlves,Jetal;Antiphospholipidantibodiesareassociatedwithenhancedoxidativestress,decreasedplasmanitricoxideandparaoxonaseactivityinanexperimentalmousemodel.Rheumatology2005,44:1238
4.Kaplin,Aetal;IL-6inducesregionallyselectivespinalcordinjuryinpatientswiththeneuroinflammatorydisordertransversemyelitis.JClinInvest2005,115:2731
5.Fiaccadori,Eetal;IL-6inducesregionallyselectivespinalcordinjuryinpatientswiththeneuroinflammatorydisordertransversemyelitis.NephrolDialTransplant2004,19:865
6.Sajdel-Sulkowska,Eetal;Potentialroleofoxidativestressinmediatingtheeffectofalteredgravityonthedevelopingratcerebellum.AdvSpaceRes.2007;40:1414–1420
7.Campolo,Jetal;Istheoxidant/antioxidantstatusalteredincadasilpatients?PlosOne2013,8
8.Profita,Metal;Acetylcholineleadstosignaltransducerandactivatoroftranscription1(STAT-1)mediatedoxidative/nitrosativestressinhumanbronchialepithelialcellline.BBA-MolecularBasisofDisease2013
9.Sasaki,Tetal;IncreasedphosphorylationofAKTinhighriskgastricmucosa.AnticancerResearch2013,33:3295

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