| Serum-SalivaCorrelation | NA |
| Sensitivity | 1pg/mL |
| SampleTestVolume | 100μL |
| RecommendedCollectionVolume | 225μL* |
| SpecialConsiderations | No |
| CollectionProtocol | DownloadPDF |
Estrone(3-hydroxy-1,3,5(10)-estratrien-17-one;E1)isoneofthethreemainestrogenicsteroidhormonesproducedinhumans.Circulatingestronelevelsarerelativelyhighatbirthinbothmalesandfemales,decreasepostnatally,andincreaseduringpuberty.(1)Ofthethreemajorestrogens,estroneispredominantaftermenopauseinwomen.(1)
Inpremenopausalwomenestroneisprimarilyproducedbyconversionofandrostenedioneintheovaries,withconcentrationspeakinginthepreovulatoryphaseandasmallersecondaryincreaseduringthelutealphase.(1,2)Inpost-menopausalwomen,children,andmen,estroneislargelyproducedbyconversionofandrostenedioneinperipheraltissues.(1,2,3)EstroneissubsequentlyreducedtoestrADIolinvariousperipheraltissues.(3)
Innon-pregnantwomen,onlyabout3%ofestroneinthebloodstreamisnotboundtoproteins.(4)Unboundestroneenterssalivafrombloodviaintracellularmechanisms,andinsalivathemajorityoftheestroneremainsunboundtoprotein.Thesalivaandplasmavaluesarehighlycorrelated.(5)
- Faiman,C.,Winter,J.S.,Reyes,F.I.(1976).Patternsofgonadotrophinsandgonadalsteroidsthroughoutlife.ClinObstetGynecol,3(3),467-83.
- Cañez,M.S.,Lee,K.J.,&Olive,D.L.(1992).Progestogensandestrogens.Infert ReprodMedClinNorthAmer,3,59-78.
- Sasano,H.,Harada,N.(1998).Intratumoralaromataseinhumanbreast,endometrial,andovarianmalignancies. EndocrRev,19(5),593-607.
- Speight,A.C.,Hancock,K.W.,Oakey,R.E.(1979). Non-protein-boundoestrogensinplasmaandurinaryexcretionofunconjugatedoestrogensinnon-pregnantwomen. JEndocrinol,83,385-91.
- Vining,R.F.,McGinley,R.A.(1987).Themeasurementofhormonesinsaliva:Possibilitiesandpitfalls. JSteroidBiochem,27(1-3),81-94.
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C.MgCl2溶液和氨水D.盐酸和NaAlO2溶液
为什么
A、Na2CO3HClH2SO4NaNO3
B、K2CO3H2SO4HNO3BaCl2
C、HClHNO3AgNO3NaCl
D、NaOHFeCl3MgCl2BaCl2
A.H2SO4Na2SO4AgNO3BaCl2.
B.NaOHNa2CO3NaHSO4MgCl2
C.CaCl2NaNO3MgSO4BaCl2
D.HNO3KOHKClK2CO3
通过解答,教会我,谢谢
2.NaNO3FeCl3AgNO3
分别有什么现象?谢谢回答!
bhclna2so4nano3na2co3
chclnaohna2co3nacl
dba(oh)2nahco3alcl3nahso4
D,K2SO4Na2CO3BaCL2NaNO3

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