申请人:THE UNIVERSITY OF TOKYO
公开号:US20140206992A1
公开(公告)日:2014-07-24
Methods for identifying the presence of cancerous cells or tissue by: applying a compound of formula (I), or salts thereof, to a living body,
wherein R
1
represents hydrogen or the same or different one to four substituents; R
2
, R
3
, R
4
, R
5
, R
6
, and R
7
independently represent hydrogen, hydroxy, alkyl, or halogen; R
8
and R
9
independently represent hydrogen or alkyl; and X represents C
1
-C
3
alkylene; and detecting fluorescence emitted by a compound of formula (II),
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, R
8
, and R
9
are as defined above; wherein fluorescence emitted by a compound of formula (II) is indicative of the presence of cancerous cells or tissue.