申请人:SHANGHAI INSTITUTES FOR BIOLOGICAL SCIENCES, CHINESE ACADEMY OF SCIENCES
公开号:US20160376247A1
公开(公告)日:2016-12-29
Provided is a compound represented by formula I, wherein R
9
is a C1-C22 hydrocarbyl group, or a C2-C3 ester-substituted C1-C3 alkyl group, R
5
, R
6
, R
7
, and R
8
are alkyl groups or H, and R
1
, R
2
, R
3
, and R
4
are H or a lower hydrocarbyl group. Or, R
9
is a C2-C22 hydrocarbyl group, or a C2-C3 ester-substituted C1-C3 alkyl group, and R
5
is connected to R
1
, R
6
is connected to R
2
, R
7
is connected to R
3
, R
8
is connected to R
4
to form six-membered rings. The present compound is temperature-sensitive and can enter into cells. An intracellular temperature distribution image having high spatial and temporal resolution can thus be obtained. The present compound can also perform distribution calibration on a temperature-sensitive fluorescent compound. Also provided is a method for measuring temperature distribution within a living cell, and a corresponding detection kit. The method satisfies the requirements of small size measurement and rapid measurement, thereby achieving high resolution in terms of space and time.
提供的化合物由式I表示,其中R9是一个C1-C22烃基团,或者是一个C2-C3酯基取代的C1-C3烷基基团,R5、R6、R7和R8是烷基基团或氢,而R1、R2、R3和R4是氢或较低烃基基团。或者,R9是一个C2-C22烃基团,或者是一个C2-C3酯基取代的C1-C3烷基基团,而R5连接到R1,R6连接到R2,R7连接到R3,R8连接到R4形成六元环。这种化合物对温度敏感,可以进入细胞。因此,可以获得具有高空间和时间分辨率的细胞内温度分布图像。这种化合物还可以对温度敏感的荧光化合物进行分布校准。还提供了一种测量活细胞内温度分布的方法和相应的检测工具包。该方法满足了小尺寸测量和快速测量的要求,从而在空间和时间上实现高分辨率。