OxfordBiomedicalResearch(OBR)公司由DenisM.Callewaert博士于1984年建立。OBR公司开发,生产和销售检测试剂盒,重组蛋白和应用于生物医学和制药研究的抗体,现已具有400多种产品。我们产品的重点是对引发多种疾病的两大风险因素氧化应激和慢性炎症的生物标志物的识别与检测。我们采用专有技术,开发组织和疾病的特异性生物标志物。
检测试剂盒
OBR公司拥有超过25年的开发和生产ELISA检测试剂盒经验,专注于类花生酸代谢、氧化压力、蛋白质组、信号转导、心血管生物学和的ELISA检测。
BACKGROUND
Cortisolisalsoknownashydrocortisonewhenitisusedmedicinally,usuallyasasupplementorforitsanti-inflammatoryproperties.KnowingplasmacortisollevelsisusefulinidentifyingaseriouslackofcortisolusuallyfoundinAddison'sdisease,oraseriousoverproductionofcortisolasinCushing'ssyndrome.Cortisolanalysisisalsofrequentlyusedtoevaluatethestresslevelsofasubject.ThisELISAisdesignedfordetectingcortisolinbiologicalfluidsincludingurine,plasma,andsaliva.
CORTISOLASSAYPRINCIPLE
Thiskitisacompetitiveenzyme-linkedimmunoassay(ELISA)fordetermininglevelsofcortisolinbiologicalsamplesincludingurine,saliva,andplasma.Briefly,cortisolinthesamplesorstandardscompeteswithcortisolconjugatedtohorseradishperoxidase(HRP)forbindingtoapolyclonalantibodyspecificforcortisolcoatedonthemicroplate.TheHRPactivityresultsinbrilliantbluecolordevelopmentwhenthesubstrateisadded,withtheintensityofthecolordevelopmentproportionaltotheamountofcortisol-HRPboundandinverselyproportionaltotheamountofunconjugatedcortisolinthesamplesorstandards.
Whenmeasuringurinesamples,itisrecommendedtonormalizesamplestocreatininetoaccountforvariationsinfluidintakeandexcretion. Creatinineisexcreatedataconstantrateandcanbeusedtonormalizetherateofexcretionofotheranalytes.
CREATININEASSAYKIT(CR01)
EA85TypicalStandardCurve