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萌1986新蟲(chóng) (初入文壇)
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[求助]
生物素活化步驟?
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大家好~~~ 本人在做有關(guān)生物素標(biāo)記抗體,首先需要將生物素活化。 我們用的生物素是sigma公司的B4501的生物素,需制成NHS-Biotin,請(qǐng)各位高手提供一下詳細(xì)的實(shí)驗(yàn)步驟,以及NHS-Biotin與抗體標(biāo)記的步驟,不勝感謝。 請(qǐng)寫(xiě)明所查資料的出處,謝謝! |
鐵桿木蟲(chóng) (著名寫(xiě)手)
新蟲(chóng) (初入文壇)
新蟲(chóng) (初入文壇)
新蟲(chóng) (初入文壇)
至尊木蟲(chóng) (知名作家)

銀蟲(chóng) (小有名氣)
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跟樓主同感。 手頭有一篇,還沒(méi)試。Electrogenerated Chemiluminescence. 80. C-Reactive Protein Determination at High Amplification with [Ru(bpy)3]2+-Containing Microspheres,supporting information里的: Biotinylation of Anti-CRP. Briefly, ~4.5 mg of sulfo-NHS-LC-biotin was added to 1 mL of ~ 90 mg/mL anti-CRP PBS solution (pH 7.2), and the reaction was allowed to proceed for ~30 min at room temperature. Free biotin molecules were subsequently removed by a Sephadex G-25 PD-10 desalting column (Amersham Pharmacia Biotech, Piscataway, NJ). The final product with a concentration of ~15 mg biotinylated anti-CRP/mL in PBS (pH 7.2) was stored at ~4 ?C prior to use. |
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