PH荧光探针BCECF

PH荧光探针BCECF 
 
    BECEF被广泛地用于细胞内pH的测定，又称PH指示剂。它的pKa值为6.97，接近生理PH值，它可以灵敏监测细胞内溶液PH的变化。细胞内PH值较低时BECEF的荧光很弱，随着PH的升高，荧光增强幅度很大。505 nm和439 nm通常是非常有用的用于比率测量的激发波长，一般会将490 nm和450 nm的滤光片加在激发光源的前面，比率法测量一般是在530 nm的相对荧光强度下进行的。BCECF acid是膜不通透型的，因此必须用微注射方法直接进入细胞内。BCECF-AM是乙酰甲酯化的BCECF，它通过孵育就能进入细胞。
 
货号 产品名称 规格 
51009 BCECF, AM ester, 1mg/mL in anhydrous DMSO 1ml 
51010 BCECF free acid (2',7' -bis-(carboxyethyl)-5-(and-6)-carboxyfluorescein) 1mg 
51011 BCECF, AM ester 10x100ug 
51011-1 BCECF, AM ester 20x50ug 
51012 BCECF, AM ester 1mg 
51013 5-(and-6)-Carboxyfluorescein (5-(and-6)-FAM, mixed isomer) 100mg 
51014 5(6)-CFDA (5-(and-6)-Carboxyfluorescein diacetate) 100mg 
51015 5-(and-6)-carboxy-2',7'-dichlorofluorescein 200mg 
51016 5-(&6)-carboxy-2',7'-dichlorofluorescein diacetate 100mg 
51017 5-carboxy-2',7'-dichlorofluorescein (single isomer) 100mg 
51018 5-CFDA (5-Carboxyfluorescein diacetate, single isomer) 100mg 
51019 5-Carboxyfluorescein (5-FAM, single isomer) 100mg 
51021 6-CFDA (6-Carboxyfluorescein diacetate, single isomer) 100mg 
51022 Flubida-2 5mg 
51023 5-carboxy-2',7'-dichlorosulfonefluorescein 10mg 
51024 Flubi-2 5mg 
90040 5-(and-6)-Carboxy-2',7'-dichlorofluorescein diacetate, succinimidyl ester 25mg 
90041 5(6)-CFDA, SE (5-(and-6)-Carboxyfluorescein diacetate, succinimidyl ester) 25mg