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成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(化學(xué)發(fā)光免疫分析法)

CLIA Kit for Fibroblast Growth Factor 21 (FGF21)

  • 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(化學(xué)發(fā)光免疫分析法) 產(chǎn)品包裝(模擬)
  • 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(化學(xué)發(fā)光免疫分析法) 產(chǎn)品包裝(模擬)
  • 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(化學(xué)發(fā)光免疫分析法) 實(shí)驗(yàn)結(jié)果圖
  • Certificate 通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)成纖維細(xì)胞生長(zhǎng)因子21(FGF21),經(jīng)檢測(cè)與其它相似物質(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制,不可能完成對(duì)所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測(cè),因此本試劑盒有可能與未經(jīng)檢測(cè)的其它物質(zhì)有交叉反應(yīng)。

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(xì)胞生長(zhǎng)因子21(FGF21)(加標(biāo)樣品),重復(fù)測(cè)定并計(jì)算其均值,回收率為測(cè)定值與理論值的比率。

樣本 回收率范圍(%) 平均回收率(%)
serum(n=5) 79-96 87
EDTA plasma(n=5) 90-97 94
heparin plasma(n=5) 86-98 92

精密度

精密度用樣品測(cè)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(duì)低、中、高值定值樣本進(jìn)行定量檢測(cè),每份樣本連續(xù)測(cè)定20 次,分別計(jì)算不同濃度樣本的平均值及SD值。
批間差:選取3個(gè)不同批次的試劑盒分別對(duì)低、中、高值定值樣本進(jìn)行定量測(cè)定,每個(gè)樣本使用同一試劑盒重復(fù)測(cè)定8次,分別計(jì)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(xì)胞生長(zhǎng)因子21(FGF21),并倍比稀釋成1:2,1:4,1:8,1:16的待測(cè)樣本,線性范圍即為稀釋后樣本中成纖維細(xì)胞生長(zhǎng)因子21(FGF21)含量的測(cè)定值與理論值的比率。

樣本 1:2 1:4 1:8 1:16
serum(n=5) 96-104% 83-99% 81-97% 92-105%
EDTA plasma(n=5) 91-101% 82-91% 83-101% 78-103%
heparin plasma(n=5) 84-103% 98-105% 92-102% 95-102%

穩(wěn)定性

經(jīng)測(cè)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(duì)試劑盒破壞前后檢測(cè)值的影響,實(shí)驗(yàn)室的環(huán)境條件需盡量保持一致,尤其是實(shí)驗(yàn)室內(nèi)溫度、濕度及溫育條件。其次由同一實(shí)驗(yàn)員來進(jìn)行操作可減少人為誤差。

實(shí)驗(yàn)流程

1. 實(shí)驗(yàn)前標(biāo)準(zhǔn)品、試劑及樣本的準(zhǔn)備;
2. 加樣(標(biāo)準(zhǔn)品及樣本)100µL,37°C孵育1小時(shí);
3. 吸棄,加檢測(cè)溶液A100μL,37°C孵育1小時(shí);
4. 洗板3次;
5. 加檢測(cè)溶液B100µL,37°C孵育30分鐘;
6. 洗板5次;
7. 加底物100µL,37°C孵育10分鐘;
8. 讀數(shù)。

實(shí)驗(yàn)原理

將成纖維細(xì)胞生長(zhǎng)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(biāo)準(zhǔn)品或標(biāo)本,其中的成纖維細(xì)胞生長(zhǎng)因子21(FGF21)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(xì)胞生長(zhǎng)因子21(FGF21)抗體,將未結(jié)合的生物素化抗體洗凈后,加入HRP標(biāo)記的親和素,再次徹底洗滌后加入底物。加入底物后會(huì)產(chǎn)生輝光型光信號(hào)。發(fā)射光強(qiáng)度和樣品中的成纖維細(xì)胞生長(zhǎng)因子21(FGF21)呈正相關(guān)。用化學(xué)發(fā)光儀測(cè)定相對(duì)光單位(RLU),計(jì)算樣品濃度。

相關(guān)產(chǎn)品

編號(hào) 適用物種:Sus scrofa; Porcine (Pig,豬) 應(yīng)用(僅供研究使用,不用于臨床診斷!)
RPC918Po01 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
PAC918Po01 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)多克隆抗體 WB; IHC; ICC; IP.
MAC918Po21 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)單克隆抗體 WB; IHC; ICC; IP.
SEC918Po 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) Enzyme-linked immunosorbent assay for Antigen Detection.
SCC918Po 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)檢測(cè)試劑盒(化學(xué)發(fā)光免疫分析法) Chemiluminescent immunoassay for Antigen Detection.
LMC918Po 成纖維細(xì)胞生長(zhǎng)因子21(FGF21)等多因子檢測(cè)試劑盒(流式熒光發(fā)光法) FLIA Kit for Antigen Detection.

參考文獻(xiàn)

雜志 參考文獻(xiàn)
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(jié)蛋白和骨轉(zhuǎn)換指標(biāo)的相關(guān)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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