淀粉樣蛋白β1-40(Ab1-40)等多因子檢測試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Amyloid Beta Peptide 1-40 (Ab1-40) ,etc. by FLIA (Flow Luminescence Immunoassay)
（注：單次混測多因子不超過8個指標(biāo) ）
- 編號LMA864Hu
- 物種Homo sapiens (Human，人)相同的名稱，不同的物種。
- 實(shí)驗(yàn)方法競爭抑制
- 反應(yīng)時長1.5h
- 檢測范圍0.98-1000pg/mL
- 靈敏度最小可檢測劑量小于等于0.327 pg/mL.
- 樣本類型Serum, plasma and other biological fluids
- 下載英文說明書 中文說明書
- 規(guī)格8指標(biāo)數(shù)7指標(biāo)數(shù)6指標(biāo)數(shù)5指標(biāo)數(shù)4指標(biāo)數(shù)3指標(biāo)數(shù)2指標(biāo)數(shù)1指標(biāo)數(shù)
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產(chǎn)品包裝(模擬)
產(chǎn)品包裝(模擬)
通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證
特異性
本試劑盒用于檢測淀粉樣蛋白β1-40(Ab1-40)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(zhì)無明顯交叉反應(yīng)。
由于受到技術(shù)及樣本來源的限制，不可能完成對所有相關(guān)或相似物質(zhì)交叉反應(yīng)檢測，因此本試劑盒有可能與未經(jīng)檢測的其它物質(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淀粉樣蛋白β1-40(Ab1-40)等多因子檢測試劑盒(流式熒光發(fā)光法)（加標(biāo)樣品），重復(fù)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) | 89-101 | 97 |
| EDTA plasma(n=5) | 82-101 | 93 |
| heparin plasma(n=5) | 96-103 | 99 |
| sodium citrate plasma(n=5) | 92-101 | 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(jìn)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(jìn)行定量測定，每個樣本使用同一試劑盒重復(fù)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)加入適量的淀粉樣蛋白β1-40(Ab1-40)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β1-40(Ab1-40)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) | 99-105% | 98-105% | 79-101% | 78-101% |
| EDTA plasma(n=5) | 96-105% | 88-96% | 78-92% | 89-97% |
| heparin plasma(n=5) | 85-94% | 91-99% | 92-99% | 85-102% |
| sodium citrate plasma(n=5) | 81-101% | 81-90% | 92-99% | 84-95% |
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(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、試劑及樣本準(zhǔn)備；
2. 加樣（標(biāo)準(zhǔn)品、樣本、磁珠、檢測溶液A）標(biāo)準(zhǔn)品或樣本50μL及磁珠10μL，加檢測溶液A50μL，
37°C酶標(biāo)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(shù)。
實(shí)驗(yàn)原理
將淀粉樣蛋白β1-40(Ab1-40)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(biāo)準(zhǔn)品或標(biāo)本以及磁珠、標(biāo)記VEGFA，標(biāo)記的淀粉樣蛋白β1-40(Ab1-40)等多因子檢測試劑盒(流式熒光發(fā)光法)和未標(biāo)記的淀粉樣蛋白β1-40(Ab1-40)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(jié)合，然后將未結(jié)合物洗凈后，加入PE標(biāo)記的親和素，再次徹底洗滌后即可上機(jī)讀數(shù)。MFI值和樣品中的淀粉樣蛋白β1-40(Ab1-40)等多因子檢測試劑盒(流式熒光發(fā)光法)呈負(fù)相關(guān)。
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| 編號 | 適用物種：Homo sapiens (Human，人) | 應(yīng)用(僅供研究使用，不用于臨床診斷！) |
| RPA864Hu01 | 淀粉樣蛋白β1-40(Ab1-40)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| CPA864Hu12 | 淀粉樣蛋白β1-40(Ab1-40)牛血清白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA864Hu23 | 淀粉樣蛋白β1-40(Ab1-40)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA864Hu22 | 淀粉樣蛋白β1-40(Ab1-40)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA864Hu11 | 淀粉樣蛋白β1-40(Ab1-40)牛血清白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA864Hu21 | 淀粉樣蛋白β1-40(Ab1-40)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| CPA864Hu31 | 淀粉樣蛋白β1-40(Ab1-40)鑰孔血藍(lán)蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
| SPA864Hu02 | 淀粉樣蛋白β1-40(Ab1-40)合成多肽 | Immunogen; Blocking Peptide. |
| PAA864Hu08 | 淀粉樣蛋白β1-40(Ab1-40)多克隆抗體 | WB |
| PAA864Hu01 | 淀粉樣蛋白β1-40(Ab1-40)多克隆抗體 | WB; IHC |
| CEA864Hu | 淀粉樣蛋白β1-40(Ab1-40)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| LMA864Hu | 淀粉樣蛋白β1-40(Ab1-40)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
| KSA864Hu11 | 淀粉樣蛋白β1-40(Ab1-40)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗(yàn)法) | Main materials for "Do It (ELISA Kit) Yourself". |
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