
Serum-SalivaCorrelation | 0.91 |
Sensitivity | <0.007>0.007> |
SampleTestVolume | 25μL |
RecommendedCollectionVolume | 75μL* |
SpecialConsiderations | No |
CollectionProtocol | DownloadPDF |
Cortisol(hydrocortisone,CompoundF)isthemajorglucocorticoidhormoneproducedintheadrenalcortex.Cortisolisactivelyinvolvedintheregulationofcalciumabsorption,bloodpressuremaintenance,anti-inflammatoryfunction,gluconeogenesis,gastricacidandpepsinsecretion,andimmunefunction.(1,2,3)CortisolproductionhasacircADIanrhythm.(4)Levelspeakintheearlymorninganddroptothelowestconcentrationatnight.(5)Levelsriseindependentlyofcircadianrhythminresponsetostress.(6)IncreasedcortisolproductionisassociatedwithCushing’ssyndromeandadrenaltumors,whiledecreasedcortisolproductionisassociatedwithadrenalinsufficiency(e.g.,Addison’sdisease)andadrenocorticotropichormone(ACTH)deficiency.(7)
Inthebloodonly1to15%ofcortisolisinitsunboundorBIOLOGicallyactiveform.Theremainingcortisolisboundtoserumproteins.(8)Unboundserumcortisolentersthesalivaviaintracellularmechanisms,andinsalivathemajorityofcortisolremainsunboundtoprotein.(9)
Salivarycortisollevelsareunaffectedbysalivaryflowrateorsalivaryenzymes.(10)Studiesconsistentlyreporthighcorrelationsbetweenserumandsalivacortisol,indicatingthatsalivarycortisollevelsreliablyestimateserumcortisollevels.(11,12,13)
- Migeon,C.J.,&Lanes,R.L.(1990).Adrenalcortex:hypo-andhyperfunction.InF.Lifshitz(ed.),Pediatricendocrinology,aclinicalguide(2nded.),(pp.333-52).NewYork:MarcelDekker.
- Drucker,S.,New,M.I.(1987). Disordersofadrenalsteroidogenesis.PediatrClinNorthAm,34(4),1055-66.
- Fischbach,F.T.(1992).Themanualoflaboratoryanddiagnostictests,(4thed.).Philadelphia:J.B.Lippincott.
- Dorn,L.D.,Lucke,J.F.,Loucks,T.L.,Berga,S.L.(2007).Salivarycortisolreflectsserumcortisol:analysisofcircadianprofiles.AnnClinBiochem,44(pt3),281-84.
- Chernow,B.,Alexander,H.R.,Smallridge,R.C.,etal.(1987).Hormonalresponsestogradedsurgicalstress.ArchInternMed,147(7),1273-78.
- Kreiger,D.T.(1975).RhythmsofACTHandcorticosteroidsecretioninhealthanddiseaseandtheirexperimentalmodification.JSteroidBiochem,6(5),758-91.
- Rothfield,B.(1974).Plasmacortisol.In:B.Rothfield(ed.),Nuclearmedicine–invitro(pp.120-5).Philadelphia:Lippincott.
- Robin,P.,Predine,J.,Milgrom,E.(1977).Assayofunboundcortisolinplasma.JClinEndocrinolMetab,46(2),277-83.
- Vining,R.F.,McGinley,R.A.,Symons,R.G.(1983).Hormonesinsaliva:modeofentryandconsequentimplicationsforclinicalinterpretation.ClinChem,29(10),1752-56.
- Vining,R.F.,McGinley,R.A.(1987).Themeasurementofhormonesinsaliva:Possibilitiesandpitfalls.JSteroidBiochem,27(1-3),81-94.
- Francis,S.J.,Walker,R.F.,Riad-Fahmy,D.,etal.(1987).Assessmentofadrenocorticalactivityintermnewborninfantsusingsalivarycortisoldeterminations.JofPediatrics,111,129-33.
- Hiramatsu,R.(1981).Directassayofcortisolinhumansalivabysolidphaseradioimmunoassayanditsclinicalapplications.ClinicaChimicaActa,117,239-249.
- Vining,R.F.,McGinley,R.A.,Maksvytis,J.J.,Ho,K.Y.(1983).Salivarycortisol:Abettermeasureofadrenalcorticalfunctionthanserumcortisol.AnnClinBiochem,20(pt6),329-35.
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(1)优级纯试剂 亦称保证试剂,为一级品,纯度高,杂质极少,主要用于精密分析和科学研究,常以GR表示。
(2)分析纯试剂 亦称分析试剂,为二级品,纯度略低于优级纯,杂质含量略高于优级纯,适用于重要分析和一般性研究工作,常以AR表示。
(3)化学纯试剂 为三级品,纯度较分析纯差,但高于实验试剂,适用于工厂、学校一般性的分析工作,常以CP表示。
(4)实验试剂 为四级品,纯度比化学纯差,但比工业品纯度高,主要用于一般化学实验,不能用于分析工作,常以 LR表示。
以上按试剂纯度的分类法已在我国通用。根据化学工业部颁布的“化学试剂包装及标志”的规定,化学试剂的不同等级分别用各种不同的颜色来标志,见表1。
表1 我国化学试剂的等级及标志
bhclna2so4nano3na2co3
chclnaohna2co3nacl
dba(oh)2nahco3alcl3nahso4
刚入这行,谢谢大家
A.H2SO4Na2SO4AgNO3BaCl2.
B.NaOHNa2CO3NaHSO4MgCl2
C.CaCl2NaNO3MgSO4BaCl2
D.HNO3KOHKClK2CO3


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