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謝婷1988新蟲(chóng) (初入文壇)
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[交流]
關(guān)于溴酚藍(lán)染色機(jī)制 已有2人參與
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| 請(qǐng)問(wèn)哪位知道溴酚藍(lán)對(duì)蛋白質(zhì)和DNA染色的機(jī)制,或者提供下參考書(shū)籍也可以,謝謝! |
木蟲(chóng) (正式寫(xiě)手)
| Bromophenol blue is also used as a color marker to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis. Since bromophenol blue carries a slight negative charge at moderate pH, it will migrate in the same direction as DNA or protein in a gel; the rate at which it migrates varies according to gel density and buffer composition, but in a typical 1% agarose gel in TAE buffer or TBE buffer, bromophenol blue migrates at the same rate as a DNA fragment of approximately 500 base pairs. Xylene cyanol and Orange G may also be used for this purpose. |
木蟲(chóng) (小有名氣)

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