Near-infrared dye-bound transferrin, and contrast agent for photoacoustic imaging, including the near-infrared dye-bound transferrin
US10646596B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Mar 15, 2016 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Mar 26, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/005
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A novel near-infrared dye-bound transferrin exhibiting a high absorption coefficient in the near-infrared wavelength region, a high tumor accumulation property, a high tumor/blood ratio and a high imaging contrast, and a contrast agent for photoacoustic imaging, including the same are provided. A compound is provided in which transferrin and an organic dye having a specified structure that absorbs light in the near-infrared wavelength region are covalently bound.
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