推薦產品
應用
该活/死细胞复染试剂盒可同时对活细胞和死细胞进行荧光染色。该试剂盒包含钙黄绿素-AM和碘化丙啶（PI）两种溶液，分别用于染色活细胞和死细胞。其中钙黄绿素-AM，即钙黄绿素的乙酰羟甲基酯，具有高度亲脂性和细胞膜透过性。尽管钙黄绿素-AM自身并非荧光分子，但活细胞中的酯酶可以催化钙黄绿素-AM生成钙黄绿素，从而发出强烈的绿色荧光(λex 490 nm, λem 515 nm). 因此钙黄绿素-AM只能染色活细胞。而核染色染料PI不能透过活细胞的细胞膜。但可以透过死细胞膜的变性区域来到达细胞核，并与细胞中的DNA双螺旋结构结合，从而发出红色荧光(λex 535 nm, λem 617 nm)。钙黄绿素和PI-DNA都能被490nm波长的光激发，因此可以采用荧光显微镜同时监测活细胞和死细胞。使用λex激发光时只能观察到死亡细胞。
僅套裝組件
產品號碼
描述
- Solution A (Calcein AM solution) 4 × 50
- Solution B (propidium iodide solution) 300 μL
相關產品
產品號碼
描述
訂價
儲存類別代碼
10 - Combustible liquids
水污染物質分類（WGK）
WGK 2
閃點（°F）
185.0 °F - closed cup
閃點（°C）
85 °C - closed cup
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