淀粉樣蛋白β1-42(Ab1-42)等多因子檢測試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Amyloid Beta Peptide 1-42 (Ab1-42) ,etc. by FLIA (Flow Luminescence Immunoassay)
（注：單次混測多因子不超過8個指標 ）
- 編號LMA946Hu
- 物種Homo sapiens (Human，人) 相同的名稱，不同的物種。
- 實驗方法競爭抑制
- 反應時長1.5h
- 檢測范圍0.29-300pg/mL
- 靈敏度最小可檢測劑量小于等于0.097 pg/mL.
- 樣本類型Serum, plasma and other biological fluids
- 下載 英文說明書 中文說明書
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產品包裝(模擬)
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產品包裝(模擬)
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通過ISO 9001、ISO 13485質量體系認證
特異性
本試劑盒用于檢測淀粉樣蛋白β1-42(Ab1-42)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淀粉樣蛋白β1-42(Ab1-42)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) | 90-98 | 94 |
| EDTA plasma(n=5) | 93-105 | 97 |
| heparin plasma(n=5) | 88-102 | 96 |
| sodium citrate plasma(n=5) | 81-96 | 92 |
精密度
精密度用樣品測定值的變異系數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淀粉樣蛋白β1-42(Ab1-42)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淀粉樣蛋白β1-42(Ab1-42)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) | 80-96% | 87-97% | 80-105% | 83-96% |
| EDTA plasma(n=5) | 94-103% | 85-94% | 92-105% | 82-98% |
| heparin plasma(n=5) | 78-90% | 86-94% | 93-101% | 78-96% |
| sodium citrate plasma(n=5) | 91-101% | 98-105% | 95-105% | 83-92% |
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、檢測溶液A）標準品或樣本50μL及磁珠10μL，加檢測溶液A50μL，
37°C酶標板振蕩器孵育60分鐘；
3. 磁吸洗板3次；
4. 加檢測溶液B100μL，37°C振動孵育30分鐘；
5. 磁吸洗板3次；
6. 加鞘液100μL，旋渦震蕩2分鐘后讀數。
實驗原理
將淀粉樣蛋白β1-42(Ab1-42)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、標記VEGFA，標記的淀粉樣蛋白β1-42(Ab1-42)等多因子檢測試劑盒(流式熒光發(fā)光法)和未標記的淀粉樣蛋白β1-42(Ab1-42)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競爭結合，然后將未結合物洗凈后，加入PE標記的親和素，再次徹底洗滌后即可上機讀數。MFI值和樣品中的淀粉樣蛋白β1-42(Ab1-42)等多因子檢測試劑盒(流式熒光發(fā)光法)呈負相關。
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相關產品
| 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！) |
| CPA946Hu12 | 淀粉樣蛋白β1-42(Ab1-42)牛血清白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| SPA946Hu02 | 淀粉樣蛋白β1-42(Ab1-42)合成多肽 | Immunogen; Blocking Peptide. |
| CPA946Hu11 | 淀粉樣蛋白β1-42(Ab1-42)牛血清白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA946Hu31 | 淀粉樣蛋白β1-42(Ab1-42)鑰孔血藍蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA946Hu22 | 淀粉樣蛋白β1-42(Ab1-42)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA946Hu21 | 淀粉樣蛋白β1-42(Ab1-42)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| PAA946Hu08 | 淀粉樣蛋白β1-42(Ab1-42)多克隆抗體 | WB; IHC; ICC; IP. |
| MAA946Hu21 | 淀粉樣蛋白β1-42(Ab1-42)單克隆抗體 | WB; IHC; ICC; IP. |
| MAA946Hu22 | 淀粉樣蛋白β1-42(Ab1-42)單克隆抗體 | WB; IHC; ICC; IP. |
| MEA946Hu | 淀粉樣蛋白β1-42(Ab1-42)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| CEA946Hu | 淀粉樣蛋白β1-42(Ab1-42)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| HEA946Hu | 淀粉樣蛋白β1-42(Ab1-42)檢測試劑盒(酶聯(lián)免疫吸附試驗法,高敏型) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| LMA946Hu | 淀粉樣蛋白β1-42(Ab1-42)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
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