| Serum-SalivaCorrelation | 0.92 |
| Sensitivity | 15pg/mL |
| SampleTestVolume | 25μL |
| RecommendedCollectionVolume | 100μL |
| SpecialConsiderations | FastingInsulin:Donotconsumefoodorbeveragewithineighthourspriortosalivacollection. GlucoseChallenge:Salivaryinsulinlevelslagapproximately1hourbehindbloodlevels. |
| CollectionProtocol | DownloadPDF |
Insulin,acoreanabolicpeptidehormone,isresponsIBLeforregulatingthemetabolismofnutrientssuchasglucoseandfattyacidstopromotetheirabsorptionintofat,liver,andskeletalmusclecells.Italsosuppressesthebreakdownofproteinsintoaminoacids.Circulatinginsulinlevelsstimulatecellularglucoseoxidation,glycogenesis,lipogenesis,andproteogenesistomaintainglucosehomeostasisandaremainlymodulatedbybetacellsintheisletsofLangerhansandhyperglycemichormonessuchascortisol,glucagonandgrowthhormones.Multiplesystems,aswellasmetabolicandneuralinfluencesco-functiontoregulateinsulinlevels.Prolongeddeficienciesininsulinregulationhavebeenlinkedtoamyriadofhealthrisks,includingmetabolicsyndrome,obesity,diabetesmellitus,waterbloating,highbloodpressure,endocrinedysfunctionsandincreasedlevelsofinflammatorycompoundsintheblood.
Insaliva,insulinsharesanearlinearcorrelationtofastingbloodlevelsandisareliablesurrogateforserummeasures,witha0.92correlation(Fabre2012).Duringanoralglucosetolerancetest,researchshowsa~30minutedelaybetweensalivaryinsulinandthespikeinseruminsulinlevels(Fekete1993).Overall,salivaryinsulinpresentsauniqueopportunitytomonitorinsulinlevelspriortodiseaseprogression.Elevatedfastinginsulinisahallmarkofinsulinresistance,whichcansupersedeTIIDdiseaseonsetbyseveralyearsandmaybeusedtojustifychangesinlifestyletoreducetheriskofdisease(TomoshigeHayashi2013).
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D,K2SO4Na2CO3BaCL2NaNO3
A.H2SO4Na2SO4AgNO3BaCl2.
B.NaOHNa2CO3NaHSO4MgCl2
C.CaCl2NaNO3MgSO4BaCl2
D.HNO3KOHKClK2CO3
（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
通过解答，教会我，谢谢
A、Na2CO3HClH2SO4NaNO3
B、K2CO3H2SO4HNO3BaCl2
C、HClHNO3AgNO3NaCl
D、NaOHFeCl3MgCl2BaCl2
请问有什么方法检测细胞内活性氧更好，各位有什么经验，及相关试剂盒推荐一下。
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