白介素2(IL2)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法)
ELISA Kit for Interleukin 2 (IL2)
TCGF; Lymphokine; T-Cell Growth Factor; Aldesleukin
- 編號USEA073Gu
- 物種Cavia (Guinea pig ，豚鼠) 相同的名稱，不同的物種。
- 實(shí)驗(yàn)方法雙抗夾心
- 反應(yīng)時(shí)長3h
- 檢測范圍15.6-1,000pg/mL
- 靈敏度最小可檢測劑量小于等于5.9pg/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(jià)格 ¥ 1512 ¥ 2160 ¥ 9720 ¥ 18360 ¥ 151200
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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(shí)驗(yàn)結(jié)果圖
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標(biāo)準(zhǔn)曲線圖
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通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證
特異性
本試劑盒用于檢測白介素2(IL2)，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白介素2(IL2)（加標(biāo)樣品），重復(fù)測定并計(jì)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) | 81-105 | 94 |
| EDTA plasma(n=5) | 83-103 | 90 |
| heparin plasma(n=5) | 90-99 | 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(jì)算不同濃度樣本的平均值及SD值。
批間差：選取3個(gè)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(gè)樣本使用同一試劑盒重復(fù)測定8次，分別計(jì)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)加入適量的白介素2(IL2)，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白介素2(IL2)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) | 96-105% | 86-96% | 78-97% | 78-97% |
| EDTA plasma(n=5) | 88-95% | 79-101% | 98-105% | 97-105% |
| heparin plasma(n=5) | 86-101% | 80-101% | 84-93% | 80-96% |
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、試劑及樣本的準(zhǔn)備；
2. 加樣（標(biāo)準(zhǔn)品及樣本）100µL，37°C孵育1小時(shí)；
3. 吸棄，加檢測溶液A100µL，37°C孵育1小時(shí)；
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(shí)驗(yàn)原理
將白介素2(IL2)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(biāo)準(zhǔn)品或標(biāo)本，其中的白介素2(IL2)與連接于固相載體上的抗體結(jié)合，然后加入生物素化的白介素2(IL2)抗體，將未結(jié)合的生物素化抗體洗凈后，加入HRP標(biāo)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(lán)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白介素2(IL2)呈正相關(guān)。用酶標(biāo)儀在450nm波長下測定吸光度(O.D.值)，計(jì)算樣品濃度。
贈(zèng)品
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相關(guān)產(chǎn)品
| 編號 | 適用物種：Cavia (Guinea pig ，豚鼠) | 應(yīng)用(僅供研究使用，不用于臨床診斷！) |
| UAPA073Gu01 | 白介素2(IL2)活性蛋白 | Cell?culture;?Activity?Assays. |
| URPA073Gu01 | 白介素2(IL2)重組蛋白 | Positive Control; Immunogen; SDS-PAGE; WB. |
| UPAA073Gu01 | 白介素2(IL2)多克隆抗體 | WB; IHC; ICC; IP. |
| UMAA073Gu21 | 白介素2(IL2)單克隆抗體 | WB; IHC; ICC; IP. |
| USEA073Gu | 白介素2(IL2)檢測試劑盒(酶聯(lián)免疫吸附試驗(yàn)法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| ULMA073Gu | 白介素2(IL2)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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