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當(dāng)前位置:杭州昊鑫生物科技股份有限公司>>云克隆>> SEA899Hu骨橋素(OPN)檢測試劑盒

骨橋素(OPN)檢測試劑盒

參  考  價:1966
具體成交價以合同協(xié)議為準(zhǔn)
  • 型號

    SEA899Hu

  • 品牌

    云克隆

  • 廠商性質(zhì)

    代理商

  • 所在地

    杭州市

規(guī)格

48T 1966元 10000盒可售

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更新時間:2024-07-11 14:44:26瀏覽次數(shù):347次

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產(chǎn)地 進(jìn)口 規(guī)格 48T
級別 化工級 證書 ISO系列證書
本試劑盒是一種三明治酶免疫測定法,用于體外定量測定人血清中的骨橋蛋白,血漿、組織勻漿、細(xì)胞裂解液、細(xì)胞培養(yǎng)上清液和其他生物液體。

骨橋素(OPN)檢測試劑盒(酶聯(lián)免疫吸附試驗法)


  • 編號SEA899Hu

  • 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0.625-40ng/mL

  • 靈敏度最小可檢測劑量小于等于0.242ng/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



特異性

本試劑盒用于檢測骨橋素(OPN),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骨橋素(OPN)(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)91-9996
EDTA plasma(n=5)96-103101
heparin plasma(n=5)78-10489

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)加入適量的骨橋素(OPN),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骨橋素(OPN)含量的測定值與理論值的比率。

樣本1:21:41:81:16
serum(n=5)87-94%78-98%97-104%79-105%
EDTA plasma(n=5)88-97%93-101%78-99%83-101%
heparin plasma(n=5)84-97%78-96%91-99%92-104%

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(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

將骨橋素(OPN)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,其中的骨橋素(OPN)與連接于固相載體上的抗體結(jié)合,然后加入生物su化的骨橋素(OPN)抗體,將未結(jié)合的生物su化抗體洗凈后,加入HRP標(biāo)記的親和素,再次洗滌后加入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骨橋素(OPN)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。

參考文獻(xiàn)

雜志參考文獻(xiàn)
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Osteoarthritis and CartilageElevated osteopontin level of synovial fluid and articular cartilage is associated with disease severity in knee osteoarthritis patients [PubMed: 19747583]
The Journal of RheumatologyThrombin-cleaved osteopontin levels in synovial fluid correlate with disease severity of knee osteoarthritis. [Jrheum: source]
International Journal of PharmaceuticsSuppression of tumor growth in xenograft model mice by small interfering RNA targeting osteopontin delivery using biocompatible poly(amino ester) [ScienceDirect: S0378517312003742]
European Cells and matreialsThe use of non-viral gene vectors for bioactive poly-(D, L-lactide) implant surfaces in bone tissue engineering [Ecmjournal: Source]
Journal of Equine Veterinary ScienceInfluence of Seminal Plasma Antioxidants and Osteopontin on Fertility of the Arabian Horse [ScienceDirect: Source]
Basic & Clinical Pharmacology & ToxicologyTreatment with Carnitine Enhances Bone Fracture Healing under Osteoporotic and/or Inflammatory Conditions [Wiley:Source]
Journal of Cellular BiochemistryTension Force-Induced ATP Promotes Osteogenesis Through P2X7 Receptor in Osteoblasts [Pubmed:24905552]
Naunyn-Schmiedeberg's Archives of PharmacologyTreatment with α-lipoic acid enhances the bone healing after femoral fracture model of rats [Pubmed:25038619]
J Endocrinol Invest.?The interplay among iron metabolism, endothelium and inflammatory cascade in dysmetabolic disorders [Pubmed:25245337]
FEBS LettersLow-intensity pulsed ultrasound-induced ATP increases bone formation via the P2X7 receptor in osteoblast-like MC3T3-E1 cells [Pubmed:25542352]
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