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成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法)

ELISA Kit for Fibroblast Growth Factor 21 (FGF21)

  • 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法) 產品包裝(模擬)
  • 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法) 產品包裝(模擬)
  • 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法) 實驗結果圖
  • SEC918Mu.jpg 標準曲線圖
  • Certificate 通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測成纖維細胞生長因子21(FGF21),經檢測與其它相似物質無明顯交叉反應。
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交叉反應檢測,因此本試劑盒有可能與未經檢測的其它物質有交叉反應。

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)(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) 88-102 92
EDTA plasma(n=5) 80-94 88
heparin plasma(n=5) 80-101 90

精密度

精密度用樣品測定值的變異系數CV表示。CV(%) = SD/mean×100
批內差: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。
批內差: CV<10%
批間差: CV<12%

線性

在定值血清及血漿樣本內加入適量的成纖維細胞生長因子21(FGF21),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)含量的測定值與理論值的比率。

樣本 1:2 1:4 1:8 1:16
serum(n=5) 80-104% 98-105% 98-105% 91-99%
EDTA plasma(n=5) 91-102% 97-105% 95-103% 96-105%
heparin plasma(n=5) 78-93% 94-102% 79-96% 99-105%

穩定性

經測定,試劑盒在有效期內按推薦溫度保存,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,實驗室的環境條件需盡量保持一致,尤其是實驗室內溫度、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)100µL,37°C孵育1小時;
3. 吸棄,加檢測溶液A100µL,37°C孵育1小時;
4. 洗板3次;
5. 加檢測溶液B100µL,37°C孵育30分鐘;
6. 洗板5次;
7. 加TMB底物90µL,37°C孵育10-20分鐘;
8. 加終止液50µL,立即450nm讀數。

實驗原理

將成纖維細胞生長因子21(FGF21)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)與連接于固相載體上的抗體結合,然后加入生物素化的成纖維細胞生長因子21(FGF21)抗體,將未結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化成藍色,并在酸的作用下轉化成最終的黃色。顏色的深淺和樣品中的成纖維細胞生長因子21(FGF21)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。

相關產品

編號 適用物種:Mus musculus (Mouse,小鼠) 應用(僅供研究使用,不用于臨床診斷!)
RPC918Mu02 成纖維細胞生長因子21(FGF21)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
PAC918Mu01 成纖維細胞生長因子21(FGF21)多克隆抗體 WB; IHC; ICC; IP.
PAC918Mu02 成纖維細胞生長因子21(FGF21)多克隆抗體 WB; IHC; ICC; IP.
SEC918Mu 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
MEC918Mu 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法,小樣本) Enzyme-linked immunosorbent assay for Antigen Detection.
CEC918Mu 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
HEC918Mu 成纖維細胞生長因子21(FGF21)檢測試劑盒(酶聯免疫吸附試驗法,高敏型) Enzyme-linked immunosorbent assay for Antigen Detection.
SCC918Mu 成纖維細胞生長因子21(FGF21)檢測試劑盒(化學發光免疫分析法) Chemiluminescent immunoassay for Antigen Detection.
LMC918Mu 成纖維細胞生長因子21(FGF21)等多因子檢測試劑盒(流式熒光發光法) FLIA Kit for Antigen Detection.

參考文獻

雜志 參考文獻
Lipids in Health and Disease Dietary moderately oxidized oil induces expression of fibroblast growth factor 21 in the liver of pigs [Lipidworld: source]
Endocrinology Orphan nuclear receptor Nur77 mediates fasting-induced hepatic fibroblast growth factor 21 expression [Endocrine:Source]
Biochemical and Biophysical Research Communications Alpha lipoic acid induces hepatic fibroblast growth factor 21 expression via up-regulation of CREBH [Pubmed:25449271]
Free Radic Biol Med Skeletal 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 complications Associations between FGF21, osteonectin and bone turnover markers in type 2 diabetic patients with albuminuria. [pubmed:27916484]
American journal of the medical sciences Association of Bone Metabolic Markers With Diabetic Retinopathy and Diabetic Macular Edema in Elderly Chinese Individuals With Type 2 Diabetes Mellitus [pubmed:29078839]
Frontiers in Physiology Ileal 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 Res Fibroblast growth factor 21 (FGF21) in children and adolescents with chronic kidney disease. [Pubmed: 32469231]
Chinese Journal of Osteoporosis 2 型糖尿病患者血清FGF21, 骨連結蛋白和骨轉換指標的相關性研究. []
Sci Rep Ileal transposition helps to regulate plasma hepatokine levels in obese Zucker (Crl: ZUC (ORL)-Lepr fa) rats [33833309]
Nutrients The 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 Medicine Oxidative stress-induced growth inhibitor 1 in alcohol-induced liver cirrhosis [34969228]
J Magn Reson Imaging Water Specific MRI T1 Mapping for Evaluating Liver Inflammation Activity Grades in Rats With Methionine‐Choline‐Deficient Diet‐Induced Nonalcoholic Fatty Liver?… [Pubmed:35212074]
Lab Invest Fibroblast growth factor 21, a stress regulator, inhibits Drp1 activation to alleviate skeletal muscle ischemia/reperfusion injury [Pubmed:35488034]
Molecular Biology Reports Umbilical 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 []
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