申请人:——
公开号:US07868147B2
公开(公告)日:2011-01-11
A fluorescent probe which is represented by the following formula (I):
(wherein, R1 represents a monovalent substituent other than hydrogen atom, carboxy group, or sulfo group; R2 represents hydrogen atom, or a monovalent substituent; R3 and R4 each independently represents hydrogen atom or a halogen atom; and R5 represents a monovalent group which is cleaved by contact with a measuring object, provided that a combination of R1 and R2 is selected so that the oxidation potential of the benzene ring to which they bind makes (1) the compound represented by the formula (I) substantially no fluorescent before the cleavage, and (2) a compound after the cleavage, which is derived from the compound represented by the formula (I), substantially highly fluorescent after the cleavage).
以下公式(I)代表的一种荧光探针:
(其中,R1代表除氢原子、羧基或磺酸基以外的单价取代基;R2代表氢原子或单价取代基;R3和R4各自独立代表氢原子或卤素原子;R5代表通过与测量对象接触而被裂解的单价基团,前提是R1和R2的组合选择使得它们结合的苯环的氧化电位使得(1)在裂解前,由公式(I)表示的化合物基本上无荧光,并且(2)裂解后,从由公式(I)表示的化合物衍生出的化合物在裂解后基本上具有高度荧光)。