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脂肪酸結(jié)合蛋白1(FABP1)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)

ELISA Kit for Fatty Acid Binding Protein 1 (FABP1)

FABP-1; FABPL; L-FABP; LFABP; Liver-type fatty acid-binding protein; Fatty Acid Binding Protein 1, Liver

  • 脂肪酸結(jié)合蛋白1(FABP1)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • 脂肪酸結(jié)合蛋白1(FABP1)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 產(chǎn)品包裝(模擬)
  • 脂肪酸結(jié)合蛋白1(FABP1)檢測(cè)試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) 實(shí)驗(yàn)結(jié)果圖
  • SEB566Ga.jpg 標(biāo)準(zhǔn)曲線圖
  • Certificate 通過(guò)ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測(cè)脂肪酸結(jié)合蛋白1(FABP1),經(jīng)檢測(cè)與其它相似物質(zhì)無(wú)明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來(lái)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脂肪酸結(jié)合蛋白1(FABP1)(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) 93-105 98
EDTA plasma(n=5) 79-101 96
heparin plasma(n=5) 82-104 93

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)加入適量的脂肪酸結(jié)合蛋白1(FABP1),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脂肪酸結(jié)合蛋白1(FABP1)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) 91-101% 80-105% 78-98% 78-102%
EDTA plasma(n=5) 80-92% 94-101% 90-97% 88-103%
heparin plasma(n=5) 87-97% 97-104% 80-101% 84-91%

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(lái)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TMB底物90µL,37°C孵育10-20分鐘;
8. 加終止液50µL,立即450nm讀數(shù)。

實(shí)驗(yàn)原理

將脂肪酸結(jié)合蛋白1(FABP1)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,其中的脂肪酸結(jié)合蛋白1(FABP1)與連接于固相載體上的抗體結(jié)合,然后加入生物素化的脂肪酸結(jié)合蛋白1(FABP1)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TMB底物顯色。TMB在過(guò)氧化物酶的催化下轉(zhuǎn)化成藍(lán)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脂肪酸結(jié)合蛋白1(FABP1)呈正相關(guān)。用酶標(biāo)儀在450nm波長(zhǎng)下測(cè)定吸光度(O.D.值),計(jì)算樣品濃度。

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參考文獻(xiàn)

雜志 參考文獻(xiàn)
J Korean Med Sci. Acute Kidney Injury after Using Contrast during Cardiac Catheterization in Children with Heart Disease [Pubmed:25120320]
Cryobiology.? Ex vivo use of a Rho-kinase inhibitor during renal preservation improves graft function upon reperfusion [Pubmed:25555715]
Clin Transl Sci Controlled Rewarming after Hypothermia: Adding a New Principle to Renal Preservation [PubMed: 26053383]
SAGE journals The role of serum I-FABP concentration in assessment of small intestine mucosa among HIV-infected patients [Content: Early]
Transplant International Kidney transplantation after oxygenated machine perfusion preservation with Custodiol‐N solution [PubMed: 25882869]
European?Journal of?Clinical?Investigation Prediction of renal function upon reperfusion by ex situ controlled oxygenated rewarming [pubmed:27718228]
Journal of?Clinical?and Diagnostic?Research? The Importance of Liver-Fatty Acid Binding Protein in Diagnosis of Liver Damage in Patients with Acute Hepatitis [pubmed:28571184]
Annals of Nutrition and Metabolism Plasma Free Fatty Acids and their Binding Proteins in Preterm Infants [Pubmed:30045009]
Scandinavian Journal of?Clinical?and Laboratory Investigation Isolated kidney perfusion: the influence of pulsatile flow [Pubmed:29301417]
International Journal of Medical Sciences Circulating fatty acid-binding protein 1 (FABP1) and nonalcoholic fatty liver disease in patients with type 2 diabetes mellitus [Pubmed: 32038102]
International Journal of Medical Sciences FABP1 and FABP2 as markers of diabetic nephropathy [Pubmed: 32922200]
Archives of Clinical and Biomedical Research Profile of Intestinal Barrier Functional Markers in Italian Patients with Diarrhea-Predominant IBS: Preliminary Data from a Low-FODMAPs diet Trial []
Antioxidants The Effects of Beverage Intake after Exhaustive Exercise on Organ Damage, Inflammation and Oxidative Stress in Healthy Males [34071378]
antioxidants TCA Cycle and Fatty Acids Oxidation Reflect Early Cardiorenal Damage in Normoalbuminuric Subjects with Controlled Hypertension [34356333]
Association of plasma fatty acid-binding protein 3 with estimated glomerular filtration rate in patients with type 2 diabetes mellitus [34975301]
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