癌胚抗原(CEA)檢測試劑盒(酶聯(lián)免疫吸附試驗法)
ELISA Kit for Carcinoembryonic Antigen (CEA)
CD66E; CD66; CEACAM5; Carcinoembryonic Antigen-related Cell Adhesion Molecule 5; Carcinoembryonic Antigen
- 編號USEA150Hu
- 物種Homo sapiens (Human，人) 相同的名稱，不同的物種。
- 實驗方法雙抗夾心
- 反應(yīng)時長3h
- 檢測范圍19.6-1,250pg/mL
- 靈敏度最小可檢測劑量小于等于7.5pg/mL.
- 樣本類型Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- 下載 英文說明書 中文說明書
- 規(guī)格 48T96T 96T*5 96T*10 96T*100
- 價格 ¥ 880 ¥ 1257 ¥ 5657 ¥ 10685 ¥ 87990
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產(chǎn)品包裝(模擬)
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產(chǎn)品包裝(模擬)
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實驗結(jié)果圖
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標準曲線圖
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通過ISO 9001、ISO 13485質(zhì)量體系認證
特異性
本試劑盒用于檢測癌胚抗原(CEA)，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癌胚抗原(CEA)（加標樣品），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) | 87-102 | 99 |
| EDTA plasma(n=5) | 94-105 | 101 |
| heparin plasma(n=5) | 80-102 | 84 |
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(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)加入適量的癌胚抗原(CEA)，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癌胚抗原(CEA)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) | 94-101% | 92-101% | 86-94% | 95-105% |
| EDTA plasma(n=5) | 78-101% | 84-102% | 86-94% | 78-99% |
| heparin plasma(n=5) | 98-105% | 84-102% | 95-103% | 96-104% |
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、試劑及樣本的準備；
2. 加樣（標準品及樣本）100µL，37°C孵育1小時；
3. 吸棄，加檢測溶液A100µL，37°C孵育1小時；
4. 洗板3次；
5. 加檢測溶液B100µL，37°C孵育30分鐘；
6. 洗板5次；
7. 加TMB底物90µL，37°C孵育10-20分鐘；
8. 加終止液50µL，立即450nm讀數(shù)。
實驗原理
將癌胚抗原(CEA)抗體包被于96孔微孔板中，制成固相載體，向微孔中分別加入標準品或標本，其中的癌胚抗原(CEA)與連接于固相載體上的抗體結(jié)合，然后加入生物素化的癌胚抗原(CEA)抗體，將未結(jié)合的生物素化抗體洗凈后，加入HRP標記的親和素，再次徹底洗滌后加入TMB底物顯色。TMB在過氧化物酶的催化下轉(zhuǎn)化成藍色，并在酸的作用下轉(zhuǎn)化成最終的黃色。顏色的深淺和樣品中的癌胚抗原(CEA)呈正相關(guān)。用酶標儀在450nm波長下測定吸光度(O.D.值)，計算樣品濃度。
增值服務(wù)
相關(guān)產(chǎn)品
| 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！) |
| UAPA150Hu61 | 癌胚抗原(CEA)活性蛋白 | Cell?culture;?Activity?Assays. |
| UEPA150Hu61 | 癌胚抗原(CEA)真核蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| URPA150Hu01 | 癌胚抗原(CEA)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| URPA150Hu04 | 癌胚抗原(CEA)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| URPA150Hu03 | 癌胚抗原(CEA)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| URPA150Hu02 | 癌胚抗原(CEA)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| UAPA150Hu02 | 癌胚抗原(CEA)活性蛋白 | Cell?culture;?Activity?Assays. |
| UAPA150Hu04 | 癌胚抗原(CEA)活性蛋白 | Cell?culture;?Activity?Assays. |
| URPA150Hu05 | 癌胚抗原(CEA)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| UPAA150Hu04 | 癌胚抗原(CEA)多克隆抗體 | WB |
| UPAA150Hu03 | 癌胚抗原(CEA)多克隆抗體 | WB |
| UPAA150Hu01 | 癌胚抗原(CEA)多克隆抗體 | WB |
| UPAA150Hu02 | 癌胚抗原(CEA)多克隆抗體 | WB |
| ULAA150Hu71 | 癌胚抗原(CEA)多克隆抗體(生物素標記) | WB; IHC; ICC. |
| URAA150Hu21 | 癌胚抗原(CEA)重組抗體 | WB; IF; ICC; IHC; IP; FCM. |
| UMAA150Hu22 | 癌胚抗原(CEA)單克隆抗體 | Testing in progress |
| USEA150Hu | 癌胚抗原(CEA)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| ULMA150Hu | 癌胚抗原(CEA)等多因子檢測試劑盒(流式熒光發(fā)光法) | FLIA Kit for Antigen Detection. |
| UKSA150Hu01 | 癌胚抗原(CEA)檢測試劑盒DIY材料(酶聯(lián)免疫吸附試驗法) | Main materials for "Do It (ELISA Kit) Yourself". |
參考文獻
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