Particle containing hydrophobic dye having cyanine structure, and contrast agent containing the particle

Provided is a particle which can stably hold a dye in itself even in an aqueous solution such as serum, in order to solve such a problem of a particle containing ICG, which has been conventionally used in a contrast agent or the like, that the ICG is a dye having a hydrophilic functional group and h...

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Bibliographic Details
Main Authors KISHI MAYUKO, SASAGURI DAISUKE, FUKUI TATSUKI, KANAZAKI KENGO, TOMATSU FUMIKO, YUASA SATOSHI
Format Patent
LanguageEnglish
Published 22.09.2015
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:Provided is a particle which can stably hold a dye in itself even in an aqueous solution such as serum, in order to solve such a problem of a particle containing ICG, which has been conventionally used in a contrast agent or the like, that the ICG is a dye having a hydrophilic functional group and hence the ICG leaks out of the particle in an aqueous solution such as serum. More specifically, provided is a particle including a hydrophobic dye having a cyanine structure, in which the hydrophobic dye is represented by the following chemical formula (1).
Bibliography:Application Number: US201313770536