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蚂蚁淘生物是

蚂蚁淘生物是一家专门从事抗体,蛋白,细胞等试剂产品研发与销售的公司.蚂蚁淘生物专业代理AthensResearchX 品牌试剂,大量现货,保证正品,价格优惠.欢迎来询


Haptoglobin,HumanPlasma,MixedType

触珠蛋白

ExtinctionCoefficient:1.20

Salt-freelyophilizedsolid.

Storage:-20°C

Anacute-phaseplasmaproteinfoundinhumanplasmaat100-300mgper100ml.Bindshemoglobin,thuspreventinglossofironthroughthekidneys.Humansarepolymorphicforhaptoglobin,withthreemajorphenotypes:Hp1-1,Hp2-1,andHp2-2.Whilethephenotypicdistributioncanvarygreatlybetweenethnicitiesandgeographiclocation,theHp2-1phenotypeisthemostprevalentphenotypeinhumans.PlasmaconcentrationsofhaptoglobinarehighestinindividualswithHp1-1,intermediateinHp2-1individuals,andlowestinHp2-2individuals.Hp1-1isthemosteffectiveatbindinghemoglobin,andHp2-2istheleasteffective.Thisfunctionaldifferencemaybeassociatedwiththefrequencyandseverityofepilepsyattacks,asresearchershavefoundacorrelationbetweenrecurringseizuresandtheHp2-2phenotype.


Purity:>=95%bySDS-PAGE

PreparedfromplasmashowntobenonreactiveforHBsAg,anti-HCV,anti-HBc,andnegativeforanti-HIV1&2byFDAapprovedtests.

AthensResearch&Technologyproductsarelaboratoryreagentsandarenottobeadministeredtohumansorusedforanydrugpurpose.Forresearchuseonly.



MyeloperoxidaseEnzymeImmunoassayKit

髓过氧化物酶免疫分析试剂盒

HumanMPOEIAKITFEATURES:

USE-MeasurehumanMPOinavarietyofmatrices
SAMPLE-Serum,Platelet-PoorHeparinPlasma,Saliva,UrineorTissueCultureMedia
SAMPLES/KIT-40induplicate
SENSITIVITY-0.068ng/mL
STABILITY-liquidreagentsstableat4°C
QUICKRESULTS-2.5HOURS

Myeloperoxidase(MPO)isatetramericheme-containingproteinabundantlyproducedinneutrophilgranulocyteswhereitplaysanimportantanti-microbialrole.DuringdegranulationMPOisreleasedintotheextracellularspace.There,aspartoftheneutrophils“respiratoryburst”,itproduceshypochlorousacidfromhydrogenperoxideandCl–.MPOalsouseshydrogenperoxidetooxidizetyrosinetothetyrosylradical.Bothhypochlorousacidandtyrosylarecytotoxicandwhenpresentcankillbacteriaandotherpathogens.Hereditarydeficiencyofmyeloperoxidasepredisposesindividualstoimmunedeficiency.

StudieshaveshownanassociationbetweenelevatedMPOlevelsandcoronaryarterydisease,andin2003itwassuggestedthatMPOmayserveasasensitivepredictorofmyocardialinfarctioninpatientscomplainingofchestpain.SincethattimetheclinicalutilityofMPOtestingincardiacpatientshasbeensolidlyestablishedintheliteraturewithwellover100paperspublished.In2010thisclinicalapplicationwasfurtherrefinedbyadditionalstudieswhichdeterminedthatmeasuringbothMPOandC-reactiveprotein(CRP)providedmoreaccuratepredictionofmortalityriskthanmeasuringjustCRPalone.


Myeloperoxidase,HumanNeutrophil

人嗜中性粒细胞髓过氧化物酶

100ug$85

1mg $700

 

MW:130,000-150,000
ExtinctionCoefficient:1.45

Lyophilizedfrom50mMNaacetate,pH6.0with100mMNaCl


Thishemeproteincatalyzesoxidationsbyhydrogenperoxide,includingMPO-chloridemediatedkillingofmicrobesandtumorcells,inactivationofhemotacticfactors,crosslinkingofproteinsandinclinationofproteins.

Activity:180-220unitspermgproteinafterlyophilization.Oneunitisdefinedastheamountofenzymethatdecomposesoneumoleofhydrogenperoxideperminuteat25oC,pH6.0.Reactionmixturecontains30mMsodiumphosphate,pH6.1,30mMguaiacol,and0.0012%(0.35mM)hydrogenperoxide.

Storage:-20°C

Purity:>=95%bySDS-PAGE

PreparedfromwholebloodshowntobenonreactiveforHBsAg,anti-HCV,anti-HBc,andnegativeforanti-HIV1&2byFDAapprovedtests.

AthensResearch&Technologyproductsarelaboratoryreagentsandarenottobeadministeredtohumansorusedforanydrugpurpose.Forresearchorfurthermanufacturinguseonly.