產(chǎn)品概述
堿性成纖維生長因子(FGF basic)也叫堿性成纖維生長因子-2(FGF-2) 或肝素結(jié)合因子-2(HBGF-2),它是成纖維細(xì)胞生長因子家族的22個促有絲分裂蛋白中被研究的最多的一個。FGF家族成員有 35~60%氨基酸序列同源性,只有酸性和堿性的FGF缺少信號蛋白并被替代路徑分泌。分子量為18KDa 的堿性成纖維細(xì)胞生長因子在細(xì)胞漿和細(xì)胞核中被發(fā)現(xiàn)并被檢出。18KDa的堿性成纖維細(xì)胞生長因子與小鼠/大鼠及羊/牛的序列同源性大約分別為97%和99%。堿性成纖維細(xì)胞生長因子的表達(dá)幾乎是普遍存在的。轉(zhuǎn)基因過表達(dá)的堿性成纖維細(xì)胞生長因子主要影響骨的生長和鈣化。
產(chǎn)品原理
本實驗采用雙抗體夾心ELISA法??谷薋GF basic單抗包被于酶標(biāo)板上,同時加入標(biāo)本、標(biāo)準(zhǔn)品和生物素化的抗人FGF basic抗體,標(biāo)本、標(biāo)準(zhǔn)品中的FGF basic會與加入于孔中的生物素化的抗人FGF basic抗體及包被于酶標(biāo)板上的單抗結(jié)合,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FGF basic,辣根過氧化物酶會使無色的顯色劑變藍(lán),加終止液變黃。在 450nm 處測OD值, FGF basic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FGF basic濃度。
產(chǎn)品性能
1. 靈敏度:最小可測人FGF basic達(dá)7pg/ml 。
2. 重復(fù)性:板內(nèi)、板間變異系數(shù)均<10%。
產(chǎn)品組分及儲存條件
名稱
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96 Tests
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48 Tests
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保存條件
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1. 抗體包被板條 (Microwell Plate)
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8×12
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8×6
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2-8℃
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2.標(biāo)準(zhǔn)品 (Standard)
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2 支(凍干)
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1 支(凍干)
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2-8℃
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3.濃縮生物素化抗體 100× (Biotin-Conjugate)
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2 支 (60μl/支)
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1 支(60μl/支)
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2-8℃
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4.濃縮酶結(jié)合物 100× (Streptavidin-HRP)
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2 支 (60μl/支)
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1 支(60μl/支)
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2-8℃(避光)
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5.試劑稀釋液 (Assay Diluent)
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2 瓶(25ml/瓶)
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1 瓶(25ml/瓶)
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2-8℃
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6.濃縮洗滌液 20× (Wash Buffer Concentrate)
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1 瓶 (30ml/瓶)
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1 瓶(30ml/瓶)
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2-8℃
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7.顯色劑 (Substrate Solution)
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1 瓶(12ml/瓶 )
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1 瓶(6ml/瓶)
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2-8℃(避光)
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8.終止液 (Stop Solution)
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1 瓶(12ml/瓶)
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1 瓶(12ml/瓶)
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2-8℃
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9.封板膠紙
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3 張
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2 張
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10.說明書
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1 份
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1 份
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試驗所需自備儀器和試劑:
1. 酶標(biāo)儀(450nm檢測波長濾光片,570nm或630nm校正波長濾光片)。
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、微量振蕩器、坐標(biāo)紙。
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