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基質(zhì)細(xì)胞衍生因子1(SDF1)檢測試劑盒(酶聯(lián)免疫吸附試驗法)

ELISA Kit for Stromal Cell Derived Factor 1 (SDF1)

CXCL12; PBSF; P-BSF; SCYB12; SDF1-A; SDF1-B; SDF1A; SDF1B; TLSF-A; TLSF-B; TPAR1; Pre-B Cell Growth-Stimulating Factor; Chemokine C-X-C-Motif Ligand 12

  • 基質(zhì)細(xì)胞衍生因子1(SDF1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) 產(chǎn)品包裝(模擬)
  • 基質(zhì)細(xì)胞衍生因子1(SDF1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) 產(chǎn)品包裝(模擬)
  • 基質(zhì)細(xì)胞衍生因子1(SDF1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) 實驗結(jié)果圖
  • SEA122Po.jpg 標(biāo)準(zhǔn)曲線圖
  • Certificate 通過ISO 9001、ISO 13485質(zhì)量體系認(rèn)證

特異性

本試劑盒用于檢測基質(zhì)細(xì)胞衍生因子1(SDF1)，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基質(zhì)細(xì)胞衍生因子1(SDF1)（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) 80-90 87
EDTA plasma(n=5) 78-99 95
heparin plasma(n=5) 90-104 94

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)加入適量的基質(zhì)細(xì)胞衍生因子1(SDF1)，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基質(zhì)細(xì)胞衍生因子1(SDF1)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) 98-105% 91-101% 78-91% 95-104%
EDTA plasma(n=5) 79-101% 78-94% 82-89% 88-98%
heparin plasma(n=5) 88-101% 78-94% 94-105% 78-96%

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(jìn)行操作可減少人為誤差。

實驗流程

1. 實驗前標(biāo)準(zhǔn)品、試劑及樣本的準(zhǔn)備；
2. 加樣（標(biāo)準(zhǔn)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

將基質(zhì)細(xì)胞衍生因子1(SDF1)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，其中的基質(zhì)細(xì)胞衍生因子1(SDF1)與連接于固相載體上的抗體結(jié)合，然后加入生物素化的基質(zhì)細(xì)胞衍生因子1(SDF1)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基質(zhì)細(xì)胞衍生因子1(SDF1)呈正相關(guān)。用酶標(biāo)儀在450nm波長下測定吸光度(O.D.值)，計算樣品濃度。

相關(guān)產(chǎn)品

編號 適用物種：Sus scrofa; Porcine (Pig，豬) 應(yīng)用(僅供研究使用，不用于臨床診斷！)
RPA122Po01 基質(zhì)細(xì)胞衍生因子1(SDF1)重組蛋白 Positive Control; Immunogen; SDS-PAGE; WB.
PAA122Po01 基質(zhì)細(xì)胞衍生因子1(SDF1)多克隆抗體 WB; IHC; ICC; IP.
MAA122Po21 基質(zhì)細(xì)胞衍生因子1(SDF1)單克隆抗體 WB; IHC; ICC; IP.
SEA122Po 基質(zhì)細(xì)胞衍生因子1(SDF1)檢測試劑盒(酶聯(lián)免疫吸附試驗法) Enzyme-linked immunosorbent assay for Antigen Detection.
LMA122Po 基質(zhì)細(xì)胞衍生因子1(SDF1)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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