申请人:CANON KABUSHIKI KAISHA
公开号:US20150165071A1
公开(公告)日:2015-06-18
The present invention provides a photoacoustic imaging contrast medium which exhibits a high degree of accumulation into a tumor even when some extent of time has passed after performing administration and which facilitates an increase in the intensity of photoacoustic signal produced by the tumor.
A compound produced by covalent-bonding of an organic dye which absorbs light in the near-infrared wavelength region and a PEG having a branch.