饑餓素(GHRL)檢測試劑盒(化學發(fā)光免疫分析法)
CLIA Kit for Ghrelin (GHRL)
MTLRP; Growth Hormone-Releasing Peptide
- 編號CCA991Ga
- 物種Chicken (Gallus，雞)相同的名稱，不同的物種。
- 實驗方法競爭抑制
- 反應(yīng)時長2h
- 檢測范圍39.06-10,000pg/mL
- 靈敏度最小可檢測劑量小于等于17.31pg/mL.
- 樣本類型Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
- 下載英文說明書 中文說明書
- 規(guī)格48T96T96T*596T*1096T*100
- 價格¥ 3830¥ 5472¥ 24624¥ 46512¥ 383040
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產(chǎn)品包裝(模擬)
產(chǎn)品包裝(模擬)
實驗結(jié)果圖
通過ISO 9001、ISO 13485質(zhì)量體系認證
特異性
本試劑盒用于檢測饑餓素(GHRL)，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饑餓素(GHRL)（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) | 96-105 | 101 |
| EDTA plasma(n=5) | 79-93 | 89 |
| heparin plasma(n=5) | 80-97 | 93 |
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)加入適量的饑餓素(GHRL)，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饑餓素(GHRL)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) | 80-105% | 99-105% | 86-94% | 90-102% |
| EDTA plasma(n=5) | 94-103% | 98-105% | 79-96% | 78-98% |
| heparin plasma(n=5) | 79-92% | 81-90% | 97-105% | 80-95% |
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）50µL，
加入50µL檢測液A(臨用前配制);
37°C溫育1小時。
3. 洗板3次；
4. 加檢測溶液B100µL，37°C孵育30分鐘；
5. 洗板5次；
6. 加底物100µL，37°C孵育10分鐘；
7. 讀數(shù)。
實驗原理
本試劑盒應(yīng)用競爭抑制酶聯(lián)免疫分析法測定標本中待測物質(zhì)水平。將饑餓素(GHRL)單克隆抗體包被微孔板，制成固相載體，往包被抗體的微孔中同時加入生物素標記的抗原和待測抗原（標準品或樣本），待測抗原與生物素標記抗原對特異性抗體進行競爭結(jié)合。溫育后經(jīng)洗滌去掉未結(jié)合物，然后加入HRP標記的親和素，再次徹底洗滌后加入底物。加入底物后會產(chǎn)生輝光型光信號。發(fā)射光強度和樣品中的饑餓素(GHRL)呈負相關(guān)。用化學發(fā)光儀測定相對光單位（RLU），計算樣品濃度。
相關(guān)產(chǎn)品
| 編號 | 適用物種：Chicken (Gallus，雞) | 應(yīng)用(僅供研究使用，不用于臨床診斷！) |
| CEA991Ga | 饑餓素(GHRL)檢測試劑盒(酶聯(lián)免疫吸附試驗法) | Enzyme-linked immunosorbent assay for Antigen Detection. |
| CCA991Ga | 饑餓素(GHRL)檢測試劑盒(化學發(fā)光免疫分析法) | Chemiluminescent immunoassay for Antigen Detection. |
| LMA991Ga | 饑餓素(GHRL)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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