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胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)

Multiplex Assay Kit for Caspase 8 (CASP8) ,etc. by CBA (Cytometric Bead Array)

CAP4; FLICE; MACH; MCH5; Cysteinyl Aspartate Specific Proteinases 8; Apoptotic cysteine protease; FADD-homologous ICE/ced-3-like protease; MORT1-associated ced-3 homolog

  • 胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)產(chǎn)品包裝(模擬)
  • 胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)產(chǎn)品包裝(模擬)
  • Certificate通過ISO 9001、ISO 13485質量體系認證

特異性

本試劑盒用于檢測胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法),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胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)(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)85-9388
EDTA plasma(n=5)97-104101
heparin plasma(n=5)80-9285

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胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法),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胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)含量的測定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)86-104%98-105%84-102%81-95%
EDTA plasma(n=5)97-105%79-90%85-99%79-97%
heparin plasma(n=5)82-94%91-101%78-94%82-98%

穩(wěn)定性

經(jīng)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、向實驗板每孔內加入200μL分析緩沖液以預濕;
2、實驗前標準品、試劑及樣本準備;
3、加樣(標準品、樣本、磁珠),標準品或樣本100μL及磁珠10μL,25°C酶標板振蕩器孵育2小時;
4、磁吸甩干,加檢測溶液A 100μL,25°C酶標板振蕩器孵育1小時;
5、磁吸甩干,加檢測溶液B 100μL,25°C振動孵育30分鐘;
6、磁吸洗板1次;
7、加鞘液100μL,旋渦震蕩10分鐘后讀數(shù)。

實驗原理

將胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)抗體包被于磁性微球表面,制成固相載體,向微孔中分別加入標準品或標本以及磁珠,其中的胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)與連接于固相載體上的抗體結合,然后加入生物素化的胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)抗體,加入PE標記的親和素,用流式細胞儀讀數(shù)。MFI值和樣品中的胱天蛋白酶8(CASP8)等多因子檢測試劑盒(流式熒光法)濃度呈正相關。

贈品

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編號適用物種:Homo sapiens (Human,人)應用(僅供研究使用,不用于臨床診斷!)
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參考文獻

雜志參考文獻
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life sciencesNifuroxazide attenuates experimentally-induced hepatic encephalopathy and the associated hyperammonemia and cJNk/caspase-8/TRAIL activation in rats[Pubmed: 32259601]
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