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層粘連蛋白(LN)等多因子檢測試劑盒(流式熒光發(fā)光法)

Multiplex Assay Kit for Laminin (LN) ,etc. by FLIA (Flow Luminescence Immunoassay)

LAM

(注:單次混測多因子不超過8個指標 )

    • 層粘連蛋白(LN)等多因子檢測試劑盒(流式熒光發(fā)光法)產品包裝(模擬)
    • 層粘連蛋白(LN)等多因子檢測試劑盒(流式熒光發(fā)光法)產品包裝(模擬)
    • Certificate通過ISO 9001、ISO 13485質量體系認證

    特異性

    本試劑盒用于檢測層粘連蛋白(LN)等多因子檢測試劑盒(流式熒光發(fā)光法),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層粘連蛋白(LN)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)78-9582
    EDTA plasma(n=5)95-10298
    heparin plasma(n=5)98-105102
    sodium citrate plasma(n=5)89-9794

    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層粘連蛋白(LN)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層粘連蛋白(LN)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1:21:41:81:16
    serum(n=5)91-102%96-105%86-103%96-103%
    EDTA plasma(n=5)84-99%93-105%82-94%86-94%
    heparin plasma(n=5)97-104%94-101%84-92%81-96%
    sodium citrate plasma(n=5)91-98%96-105%93-105%96-104%

    穩(wěn)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(huán)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

    將層粘連蛋白(LN)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,其中的層粘連蛋白(LN)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層粘連蛋白(LN)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值和樣品中的層粘連蛋白(LN)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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    雜志參考文獻
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