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    • 10. 发明公开
    • 피에이치 감응성 광학 영상 프로브 및 이의 제조방법
    • PH反应性光学成像探针及其制造方法
    • KR1020130043718A
    • 2013-05-02
    • KR1020110107772
    • 2011-10-21
    • 충남대학교산학협력단한국기초과학지원연구원
    • 임용택박혜선홍관수
    • A61K49/12A61K49/08A61K49/06A61K9/16
    • A61K49/0054A61K49/0028A61K49/0032A61K49/0089
    • PURPOSE: A pH sensitive optical image probe and a manufacturing method thereof are provided to observe the fluorescence signal recovery of extinct by the pH change within a cell through manufacturing pH sensitive self-assembly particles which fluorescence dye is sealed. CONSTITUTION: A pH-sensitive optical image probe comprises a hydrophobic pH-sensitive polymer, a hydrophilic anionic polymer, and an amphiphilic near infrared fluorescence dye. The pH-sensitive optical image probe is a self-assembly particle in which the hydrophilic anionic polymer surrounds the hydrophobic pH-sensitive polymer in an aqueous solution, and is self-quenched by being sealed in particles through the physical contact of fluorescence dye with the polymers. The pH-sensitive optical image probe shows the fluorescence color by de-assembling the self-assembly particle in a weak acidic condition and by releasing the fluorescence dye.
    • 目的:提供一种pH敏感的光学图像探针及其制造方法,通过制造荧光染料密封的pH敏感的自组装颗粒,观察细胞内pH变化消失的荧光信号恢复。 构成:pH敏感光学图像探针包含疏水性pH敏感聚合物,亲水性阴离子聚合物和两亲近红外荧光染料。 pH敏感光学图像探针是一种自组装颗粒,其中亲水性阴离子聚合物在水溶液中包围疏水性pH敏感聚合物,并且通过荧光染料与 聚合物。 pH敏感光学图像探针通过在弱酸性条件下解组装自组装颗粒并释放荧光染料来显示荧光颜色。