本實(shí)驗(yàn)采用雙抗體夾心ELISA法?？谷薉KK-1單抗包被于酶標(biāo)板上，標(biāo)本和標(biāo)準(zhǔn)品中的DKK-1會(huì)與單抗結(jié)合形成免疫復(fù)合物，游離的成分被洗去；加入生物素化的抗人DKK-1抗體，生物素化抗人DKK-1抗體與酶標(biāo)板上結(jié)合的標(biāo)準(zhǔn)品或樣本中的DKK-1結(jié)合而形成免疫復(fù)合物，游離的成分被洗去；加入辣根過氧化物酶標(biāo)記的親合素，親合素與生物素特異性結(jié)合，游離的成分被洗去。加入顯色底物（顯色劑），若反應(yīng)孔中有DKK-1，辣根過氧化物酶會(huì)使無色的顯色劑變藍(lán)，加終止液變黃。在450nm處測(cè)OD值， DKK-1濃度與OD₄₅₀值之間呈正相關(guān)，可通過繪制標(biāo)準(zhǔn)曲線求出標(biāo)本中DKK-1濃度。

產(chǎn)品性能

1. 靈敏度：最小可測(cè)人DKK-1達(dá)30pg/ml 。

2. 重復(fù)性：板內(nèi)、板間變異系數(shù)均<10%。

產(chǎn)品組分及儲(chǔ)存條件

試驗(yàn)所需自備儀器和試劑:

1. 酶標(biāo)儀(450nm檢測(cè)波長(zhǎng)濾光片，570nm或630nm校正波長(zhǎng)濾光片)。

2. 高精度加液器及一次性吸頭：0.5-10μl，2-20μl，20-200μl，200-1000μl。

3. 37℃恒溫箱、蒸餾水或去離子水、坐標(biāo)紙。

• HUMAN IL-3 ELISA KIT（EH058-96）
• HUMAN IL-15 ELISA KIT（EH057-96）
• HUMAN MIP-1α ELISA KIT（EH055-96）

• ELISA kit 產(chǎn)品手冊(cè)2019點(diǎn)擊下載

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