饑餓素(GHRL)等多因子檢測試劑盒(流式熒光發(fā)光法)
Multiplex Assay Kit for Ghrelin (GHRL) ,etc. by FLIA (Flow Luminescence Immunoassay)
MTLRP; Growth Hormone-Releasing Peptide
(注:單次混測多因子不超過8個指標(biāo) )
- 編號LMA991Ra
- 物種Rattus norvegicus (Rat,大鼠) 相同的名稱,不同的物種。
- 實驗方法競爭抑制
- 反應(yīng)時長1.5h
- 檢測范圍9.77-10000pg/mL
- 靈敏度最小可檢測劑量小于等于3.257 pg/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 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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特異性
本試劑盒用于檢測饑餓素(GHRL)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饑餓素(GHRL)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) | 96-104 | 101 |
EDTA plasma(n=5) | 91-105 | 95 |
heparin plasma(n=5) | 97-104 | 101 |
sodium citrate plasma(n=5) | 88-102 | 98 |
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)加入適量的饑餓素(GHRL)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饑餓素(GHRL)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) | 92-101% | 89-96% | 98-105% | 95-103% |
EDTA plasma(n=5) | 84-92% | 86-99% | 79-103% | 79-102% |
heparin plasma(n=5) | 83-102% | 97-105% | 91-98% | 87-95% |
sodium citrate plasma(n=5) | 83-102% | 81-96% | 80-102% | 88-105% |
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(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)。
實驗原理
將饑餓素(GHRL)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)記的饑餓素(GHRL)等多因子檢測試劑盒(流式熒光發(fā)光法)和未標(biāo)記的饑餓素(GHRL)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讀數(shù)。MFI值和樣品中的饑餓素(GHRL)等多因子檢測試劑盒(流式熒光發(fā)光法)呈負相關(guān)。
贈品
增值服務(wù)
相關(guān)產(chǎn)品
編號 | 適用物種:Rattus norvegicus (Rat,大鼠) | 應(yīng)用(僅供研究使用,不用于臨床診斷!) |
CPA991Ra11 | 饑餓素(GHRL)牛血清白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
CPA991Ra21 | 饑餓素(GHRL)卵白蛋白偶聯(lián)物 | Immunogen; SDS-PAGE; WB. |
PAA991Ra08 | 饑餓素(GHRL)多克隆抗體 | WB; IHC; ICC; IP. |
SEA991Ra | 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. |
MEA991Ra | 饑餓素(GHRL)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. |
CEA991Ra | 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. |
LMA991Ra | 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. |
KSA991Ra11 | 饑餓素(GHRL)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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