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催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)

Mini Samples ELISA Kit for Oxytocin (OT)

Pitocin; Syntocinon

    • 催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)產(chǎn)品包裝(模擬)
    • 催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)產(chǎn)品包裝(模擬)
    • 催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)實驗結(jié)果圖
    • MEB052Ge.jpg標(biāo)準(zhǔn)曲線圖
    • Certificate通過ISO 9001、ISO 13485質(zhì)量體系認證

    特異性

    本試劑盒用于檢測催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本),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催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)(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)98-105101
    EDTA plasma(n=5)83-10186
    heparin plasma(n=5)84-9187

    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)加入適量的催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本),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催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)含量的測定值與理論值的比率。

    樣本1:21:41:81:16
    serum(n=5)80-96%86-93%83-101%78-91%
    EDTA plasma(n=5)78-103%80-105%81-94%87-101%
    heparin plasma(n=5)78-97%79-101%88-96%83-92%

    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、試劑及樣本的準(zhǔn)備;
    2. 加樣(標(biāo)準(zhǔn)品及樣本)25µL后,立即加入檢測溶液A25µL,
        37°C孵育1小時;
    3. 甩干,洗板3次;
    4. 加檢測溶液B50µL,37°C孵育30分鐘;
    5. 洗板5次;
    6. 加TMB底物50µL,37°C孵育10-20分鐘;
    7. 加終止液25µL,立即450nm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(biāo)本中待測物質(zhì)水平。將催產(chǎn)素(OT)檢測試劑盒(酶聯(lián)免疫吸附試驗法,小樣本)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(biāo)記的抗原和待測抗原(標(biāo)準(zhǔn)品或樣本),待測抗原與生物素標(biāo)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(biāo)記的親和素,經(jīng)過溫育和徹底洗滌后加入底物TMB顯色。TMB在過氧化物酶的催化下轉(zhuǎn)化成藍色,并在酸的作用下轉(zhuǎn)化成最終的黃色。待測標(biāo)本濃度越高,標(biāo)記抗原和抗體的結(jié)合就越受到抑制,顯色愈淺。顯色的深淺與酶量呈正相關(guān),而與樣品中待測物質(zhì)含量呈負相關(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。

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    參考文獻

    雜志參考文獻
    J Psychiatr Res.?Sex-specific associations between plasma oxytocin levels and schizotypal personality features in healthy individuals[Pubmed:24411593]
    Fertility and SterilityAdministration of atosiban in patients with endometriosis undergoing frozena??thawed embryo transfer: a prospective, randomized study[Pubmed:27143518]
    Progress in neuro-psychopharmacology & biological psychiatryIncreased oxytocin levels among abstinent heroin addicts: Association with aggressiveness, psychiatric symptoms and perceived childhood neglect.[pubmed:28093220]
    International Journal of Clinical and Experimental MedicineCan hypoxia enhance sexual arousal?-Molecular-biological analysis of the hypothalamus in male rats placed with oestrous female rats under hypoxic …[files:ijcem0031358.pdf]
    Fertility and SterilityAdministration of atosiban in patients with endometriosis undergoing frozen–thawed embryo transfer: a prospective, randomized study[pubmed:27143518]
    BMC Med.Intranasal oxytocin reduces provoked symptoms in female patients with posttraumatic stress disorder despite exerting sympathomimetic and positive chronotropic effects in a randomized controlled trial.[pubmed:28209155]
    Psychiatry ResearchPlasma oxytocin levels in major depressive and bipolar II disorders[pubmed:28865715]
    BMC MedicineIntranasal oxytocin reduces provoked symptoms in female patients with posttraumatic stress disorder despite exerting sympathomimetic and positive chronotropic effects in a randomized controlled trial[10.1186:s12916-017-0801-0]
    EUROPEAN?ADDICTION?RESEARCHThe Association between the Level of Plasma Oxytocin and Craving among Former Heroin Users[Pubmed:29902803]
    ASN Neuro .Involvement of Hyperpolarization-Activated Cyclic Nucleotide-Gated Channel 3 in Oxytocin Neuronal Activity in Lactating Rats With Pup Deprivation[Pubmed: 32962418]
    European Journal of Integrative MedicineEffects of transcutaneous electrical nerve stimulation applied at different frequencies during labor on hormone levels, labor pain perception, and anxiety: a randomized?…[]
    J. Pers. MedPredicting the Treatment Outcomes of Antidepressants Using a Deep Neural Network of Deep Learning in Drug-Na?ve Major Depressive Patients[]