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SafeGreen™和SafeRed™是Applied BioProbes 推出的安全靈敏,，操作簡(jiǎn)單的次世代核酸電泳染料,，電泳前只需將染料與DNA混合,，上樣，即可獲得條帶清晰的染膠效果,，整個(gè)過(guò)程無(wú)需前染和后染,。

SafeGreen™ 和 SafeRed™ Loading Dye 含 6 × DNA 上樣緩沖液中及兩類(lèi)常用的示蹤染料 （Xylene Cyanol FF 和 Bromophenol Blue）,，用以監(jiān)測(cè)電泳期間瓊脂糖凝膠條帶（呈現(xiàn)紫色和藍(lán)色兩個(gè)條帶）遷移情況,。DNA條帶可通過(guò) LED 或紫外光直接觀察,，無(wú)需前染和后染步驟,。

Figure 4. Gel staining results with SafeGreen™ and SafeRed™ premixed with DNA ladder. 1 kb DNA Ladder (Cat# D001) was mixed with SafeGreen™ or SafeRed™ at a 5:1 ratio, then loaded onto each well. Gels were directly imaged on a UV transilluminator.

SafeGreen™ 和 SafeRed™ 無(wú)法穿透細(xì)胞膜進(jìn)入活細(xì)胞，從而降低了細(xì)胞毒性(Figure 5),。

Figure 5. Cell permeability tests with SYBR Safe™, SafeGreen™, and SafeRed™. Hela cells were incubated at 37℃ with 1X SYBR Safe™, SafeGreen™, and SafeRed™ for 30 min. SafeGreen™ and SafeRed™ could not penetrate cell membranes to bind DNA in living cells, and were much safer than SYBR Safe™, which rapidly entered cells and stained nuclei.