Canon Kabushiki Kaisha

Kohei Sano

Satoshi Ogawa

Fumio Yamauchi

Hideo Saji

Kengo Kanazaki

Akira Makino

Tatsuki Fukui

To provide a polymer having a high tumor/blood ratio. The present invention provides a polymer represented by the following formula (P1): wherein in the formula (P1), Rrepresents any of a residue or a functional group derived from a cationic polymerization initiator; L represents a linker and L may not be present; n represents an integer of 1 or more; D represents a dye backbone of a dye having absorption in the near-infrared region.

Polymer, and contrast agent for photoacoustic imaging, including the polymer

An object is to provide a polymer having a high tumor/blood ratio. The present invention provides a polymer represented by the following formula (P1): wherein in the formula (P1), R represents any of a residue derived from a polymerization initiator, or a functional group; A may not be present, and when present, A represents any of a low-molecular compound, a dye, a reporter molecule, a target-binding molecule, a polymer or D; L represents a linker and L may not be present; nrepresents an integer of 1 or more; and D represents a dye backbone of a dye having absorption in the near-infrared region.

Conjugate of polysarcosine and NIR contrast agent for photoacoustic imaging

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Kyoto, Japan

Kohei Sano