|
Ex (nm)
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569
|
Em (nm)
|
590
|
|
分子量
|
N/A
|
溶劑
|
Water
|
|
存儲條件
|
在零下15度以下保存, 避免光照
|
|
|
產品基本信息
產品名稱：Cal-590L 葡聚糖偶聯物 *MW 10,000*
儲存條件：-15℃避光防潮
保質期：12個月
產品物理化學光譜特性
外觀：固體
溶劑：水
激發波長(nm)：569
發射波長(nm)：590
鈣測量對于許多生物學研究至關重要。在結合鈣時顯示光譜響應的熒光探針使研究人員能夠通過使用熒光顯微鏡、流式細胞術、熒光光譜和熒光酶標儀來研究細胞內游離鈣濃度的變化。可以使用顯微注射等方式，用這些葡聚糖綴合的鈣指示劑的不透細胞鹽形式對細胞進行物理加載。使用熒光顯微鏡檢測來自這些細胞的熒光信號。與AM 酯形式相比，我們的鈣指示劑的葡聚糖形式表現出更少的滲漏。在熒光鈣指示劑葡聚糖偶聯物中，Cal-590L 葡聚糖偶聯物可能是比其他紅色熒光葡聚糖偶聯物更好的選擇，因為它具有更高的熒光量子產率和更高的熒光。 Cal-590L 葡聚糖的 Kd ~230 uM。
參考文獻
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