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成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)

Mini Samples ELISA Kit for Fibroblast Growth Factor 21 (FGF21)

  • 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)產(chǎn)品包裝(模擬)
  • 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)產(chǎn)品包裝(模擬)
  • 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)實驗結(jié)果圖
  • MEC918Hu.jpg標準曲線圖
  • Certificate通過ISO 9001、ISO 13485質(zhì)量體系認證

特異性

本試劑盒用于檢測成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本),經(jīng)檢測與其它相似物質(zhì)無明顯交叉反應。
由于受到技術及樣本來源的限制,不可能完成對所有相關或相似物質(zhì)交叉反應檢測,因此本試劑盒有可能與未經(jīng)檢測的其它物質(zhì)有交叉反應。

回收率

分別于定值血清及血漿樣本中加入一定量的成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)(加標樣品),重復測定并計算其均值,回收率為測定值與理論值的比率。

樣本回收率范圍(%)平均回收率(%)
serum(n=5)97-105101
EDTA plasma(n=5)78-9285
heparin plasma(n=5)81-8985

精密度

精密度用樣品測定值的變異系數(shù)CV表示。CV(%) = SD/mean×100
批內(nèi)差:取同批次試劑盒對低、中、高值定值樣本進行定量檢測,每份樣本連續(xù)測定20 次,分別計算不同濃度樣本的平均值及SD值。
批間差:選取3個不同批次的試劑盒分別對低、中、高值定值樣本進行定量測定,每個樣本使用同一試劑盒重復測定8次,分別計算不同濃度樣本的平均值及SD值。
批內(nèi)差: CV<10%
批間差: CV<12%

線性

在定值血清及血漿樣本內(nèi)加入適量的成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本),并倍比稀釋成1:2,1:4,1:8,1:16的待測樣本,線性范圍即為稀釋后樣本中成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)含量的測定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)88-96%82-96%93-105%85-104%
EDTA plasma(n=5)87-101%78-98%92-101%80-97%
heparin plasma(n=5)84-92%91-99%85-99%94-103%

穩(wěn)定性

經(jīng)測定,試劑盒在有效期內(nèi)按推薦溫度保存,其活性降低率小于5%。
為減小外部因素對試劑盒破壞前后檢測值的影響,實驗室的環(huán)境條件需盡量保持一致,尤其是實驗室內(nèi)溫度、濕度及溫育條件。其次由同一實驗員來進行操作可減少人為誤差。

實驗流程

1. 實驗前標準品、試劑及樣本的準備;
2. 加樣(標準品及樣本)25µL,37°C溫育1小時;
3. 吸棄,加檢測溶液A25µL,37°C孵育1小時;
4. 洗板3次;
5. 加檢測溶液B25µL,37°C孵育30分鐘;
6. 洗板5次;
7. 加TMB底物25µL,37°C孵育10-20分鐘;
8. 加終止液20µL,立即450nm讀數(shù)。

實驗原理

將成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)抗體包被于96孔微孔板中,制成固相載體,向微孔中分別加入標準品或標本,其中的成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)抗體,將未結(jié)合的生物素化抗體洗凈后,加入HRP標記的親和素,再次徹底洗滌后加入TMB底物顯色。TMB在過氧化物酶的催化下轉(zhuǎn)化成藍色,并在酸的作用下轉(zhuǎn)化成最終的黃色。顏色的深淺和樣品中的成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)呈正相關。用酶標儀在450nm波長下測定吸光度(O.D.值),計算樣品濃度。

相關產(chǎn)品

編號適用物種:Homo sapiens (Human,人)應用(僅供研究使用,不用于臨床診斷!)
RPC918Hu01成纖維細胞生長因子21(FGF21)重組蛋白Positive Control; Immunogen; SDS-PAGE; WB.
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PAC918Hu01成纖維細胞生長因子21(FGF21)多克隆抗體WB; IHC; ICC; IP.
FAC918Hu01抗成纖維細胞生長因子21(FGF21)多克隆抗體Flow cytometry.
MAC918Hu21成纖維細胞生長因子21(FGF21)單克隆抗體IHC
MAC918Hu23成纖維細胞生長因子21(FGF21)單克隆抗體IHC; ICC/IF
MAC918Hu24成纖維細胞生長因子21(FGF21)單克隆抗體IHC
MAC918Hu22成纖維細胞生長因子21(FGF21)單克隆抗體WB; IHC; ICC; IP.
MAC918Hu25成纖維細胞生長因子21(FGF21)單克隆抗體WB; IHC; ICC; IP.
MAC918Hu27成纖維細胞生長因子21(FGF21)單克隆抗體WB; IHC; ICC; IP.
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CCC918Hu成纖維細胞生長因子21(FGF21)檢測試劑盒(化學發(fā)光免疫分析法)Chemiluminescent immunoassay for Antigen Detection.
LMC918Hu成纖維細胞生長因子21(FGF21)等多因子檢測試劑盒(流式熒光發(fā)光法)FLIA Kit for Antigen Detection.

參考文獻

雜志參考文獻
Lipids in Health and DiseaseDietary moderately oxidized oil induces expression of fibroblast growth factor 21 in the liver of pigs[Lipidworld: source]
EndocrinologyOrphan nuclear receptor Nur77 mediates fasting-induced hepatic fibroblast growth factor 21 expression[Endocrine:Source]
Biochemical and Biophysical Research CommunicationsAlpha lipoic acid induces hepatic fibroblast growth factor 21 expression via up-regulation of CREBH[Pubmed:25449271]
Free Radic Biol MedSkeletal muscle increases FGF21 expression in mitochondrial disorders to compensate for energy metabolic insufficiency by activating the mTOR–YY1–PGC1α pathway[PubMed: 25843656]
Journal of diabetes and its complicationsAssociations between FGF21, osteonectin and bone turnover markers in type 2 diabetic patients with albuminuria.[pubmed:27916484]
American journal of the medical sciencesAssociation of Bone Metabolic Markers With Diabetic Retinopathy and Diabetic Macular Edema in Elderly Chinese Individuals With Type 2 Diabetes Mellitus[pubmed:29078839]
Frontiers in PhysiologyIleal Transposition Surgery Decreases Fat Mass and Improves Glucose Metabolism in Diabetic GK Rats: Possible Involvement of FGF21[Pubmed:29593555]
Некоторые аспекты транспортной системы метаболизма железа в зависимости от степени синдрома перегрузки железом у детей с хроническим?…[]
Physiol ResFibroblast growth factor 21 (FGF21) in children and adolescents with chronic kidney disease.[Pubmed: 32469231]
Chinese Journal of Osteoporosis2 型糖尿病患者血清FGF21, 骨連結(jié)蛋白和骨轉(zhuǎn)換指標的相關性研究.[]
Sci RepIleal transposition helps to regulate plasma hepatokine levels in obese Zucker (Crl: ZUC (ORL)-Lepr fa) rats[33833309]
NutrientsThe Speed of Ingestion of a Sugary Beverage Has an Effect on the Acute Metabolic Response to Fructose[]
Medicine (Baltimore)Association of serum fibroblast growth factor 21 with kidney function in a population-based Chinese cohort[34918690]
Annals of Agricultural and Environmental MedicineOxidative stress-induced growth inhibitor 1 in alcohol-induced liver cirrhosis[34969228]
J Magn Reson ImagingWater Specific MRI T1 Mapping for Evaluating Liver Inflammation Activity Grades in Rats With Methionine‐Choline‐Deficient Diet‐Induced Nonalcoholic Fatty Liver?…[Pubmed:35212074]
Lab InvestFibroblast growth factor 21, a stress regulator, inhibits Drp1 activation to alleviate skeletal muscle ischemia/reperfusion injury[Pubmed:35488034]
Molecular Biology ReportsUmbilical cord-derived mesenchymal stem cell conditioned medium reverses neuronal oxidative injury by inhibition of TRPM2 activation and the JNK signaling?…[Pubmed:35585377]
High Circulating Fibroblast Growth Factor-21 Levels as a Prognostic Marker in Fatty Pancreas Patients[]