DAPI(4',6-二脒基-2-苯基吲哚二鹽酸鹽)*10mM水溶液*
![]() | 貨號 | 17507 | 存儲條件 | 在零下15度以下保存, 避免光照 |
規格 | 2 mL | 價格 | 984 | |
Ex (nm) | 359 | Em (nm) | 457 | |
分子量 | 350.25 | 溶劑 | Water | |
產品詳細介紹 |
簡要概述
產品基本信息
貨號:17507
產品名稱:DAPI[4,6-二脒基-2-苯基吲哚,二鹽酸鹽]* 10 mM水溶液*
規格:2ml
儲存條件:保存在冰箱-20℃干燥
保質期:6個月
產品物理化學光譜特性
分子量:350.25
溶劑:水
Ex(nm):358
Em(nm):461
產品介紹
DAPI是一種與DNA結合強烈的熒光染色劑。它廣泛用于熒光顯微鏡。由于DAPI通過完整的細胞膜,它可用于除固定細胞外的活細胞染色。對于熒光顯微鏡,DAPI被紫外線激發。當與雙鏈DNA結合時,其最大吸收在358nm,其發射最大值在461nm。DAPI的一個缺點是其排放相當廣泛。DAPI也與RNA結合,但是它不像它與DNA結合時那樣強烈地發熒光。 當與RNA結合時,其發射偏移至約500nm .DAPI的藍色發射便于多重測定,因為DAPI與熒光素和綠色熒光蛋白(GFP)等綠色熒光分子或紅色熒光染料之間的熒光重疊非常少。除了標記細胞核外,DAPI還用于檢測細胞培養物中的支原體或病毒DNA。
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DAPI(4',6-二脒基-2-苯基吲哚二鹽酸鹽)CAS 28718-90-3 | Cat#17510 |