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載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Apolipoprotein E (APOE) ,etc. by FLIA (Flow Luminescence Immunoassay)

Apo-E; AD2; Apoprotein; Alzheimer Disease 2(E4-Associated,Late Onset

(注:單次混測多因子不超過8個指標 )

  • 載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • 載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法) 產(chǎn)品包裝(模擬)
  • Certificate 通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法),經(jīng)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(jīng)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載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)(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) 94-105 98
EDTA plasma(n=5) 80-97 84
heparin plasma(n=5) 91-98 95

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)加入適量的載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法),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載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)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) 78-90% 94-101% 89-99% 78-102%
EDTA plasma(n=5) 97-105% 80-96% 90-104% 97-105%
heparin plasma(n=5) 94-102% 80-104% 80-96% 80-90%

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、試劑及樣本準備;
2. 加樣(標準品、樣本、磁珠)標準品或樣本100μL及磁珠10μL,
    37°C酶標板振蕩器孵育90分鐘;
3. 磁吸甩干,加檢測溶液A100μL,37°C酶標板振蕩器孵育60分鐘;
4. 磁吸洗板3次;
5. 加檢測溶液B100μL,37°C振動孵育30分鐘;
6. 磁吸洗板3次;
7. 加鞘液100μL,旋渦震蕩2分鐘后讀數(shù)。

實驗原理

將載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體包被于磁珠,制成固相載體,向微孔中分別加入標準品或標本以及磁珠,其中的載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)與連接于固相載體上的抗體結合,然后加入生物素化的載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)抗體,將未結合的生物素化抗體洗凈后,加入PE標記的親和素,再次徹底洗滌后即可上機讀數(shù)。MFI值和樣品中的載脂蛋白E(APOE)等多因子檢測試劑盒(流式熒光發(fā)光法)呈正相關。

贈品

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參考文獻

雜志 參考文獻
Seizure - European Journal of Epilepsy Cerebrospinal fluid apolipoprotein E concentration decreases after seizure [Seizure: PIIS1059131109002441]
Biochimica et Biophysica Acta Hepatic lipase- and endothelial lipase-deficiency in mice promotes macrophage-to-feces RCT and HDL antioxidant properties [PubMed: 23328279 ]
Medical Oncology Expression and clinical significance of apolipoprotein E in pancreatic ductal adenocarcinoma [Pubmed: 23609192]
Diabetes. Adipocyte Atp-Binding Cassette G1 Promotes Triglyceride Storage, Fat Mass Growth And Human Obesity [Pubmed:25249572]
renal failure Frequencies of apolipoprotein E alleles in depressed patients undergoing hemodialysis – a case-control study [PubMed: 25707516]
Biochim Biophys Acta Culturing of HepG2 cells with human serum improve their functionality and suitability in studies of lipid metabolism [PubMed: 26515253]
Diabetes Adipocyte ATP-binding cassette G1 promotes triglyceride storage, fat mass growth, and human obesity [PubMed: 25249572]
Scientific Reports Adaptive?immunity?against?gut?microbiota?enhances?apoE-mediated?immune?regulation?andreduces?atherosclerosis?and?western-diet-related?inflammation. [pubmed:27383250]
Biochemical Pharmacology? Differential effects of apoE and apoJ mimetic peptides on the action of an anti-Aβ scFv in 3xTg-AD mice [Pubmed:30026023]
Oncotarget Deletion of plasma Phospholipid Transfer Protein (PLTP) increases microglial phagocytosis and reduces cerebral amyloid-β deposition in the J20 mouse?… [Pubmed:29731975]
Proteomics Clinical Applications Comparative proteomics analysis of serum proteins in gestational diabetes during early and middle stages of pregnancy [Pubmed: 31162828]
Nature Communications Hepatic HuR modulates lipid homeostasis in response to high-fat diet [Pubmed: 32546794]
VETERINARY PATHOLOGY Pathology and Proteomics-Based Diagnosis of Localized Light-Chain Amyloidosis in Dogs and Cats [Pubmed: 32880234]
Journal of Clinical Medicine The Significance of Apolipoprotein E Measurement in the Screening of Fetal Down Syndrome [33321701]
Cancer Cell Int Discovery and validation of FBLN1 and ANT3 as potential biomarkers for early detection of cervical cancer [33602229]
Nat Commun GP73 is a TBC-domain Rab GTPase-activating protein contributing to the pathogenesis of non-alcoholic fatty liver disease without obesity [34853313]
Talanta Iridium nanoclusters as high sensitive-tunable elemental labels for immunoassays: Determination of IgE and APOE in aqueous humor by inductively coupled?… [Pubmed:35378356]
Analytica Chimica Acta Gold nanoclusters as elemental label for the sequential quantification of apolipoprotein E and metallothionein 2A in individual human cells of the retinal?… [Pubmed:35361429]
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