| 简介 |
PROBLEM TO BE SOLVED : To provide a novel wavelength-variable fluorescent ion sensor dye, absorption and fluorescent wavelength adjustment of which and introduction of a reactive terminal for fixing to a polymer, glass substrate, or the like into which are easy, and suppression of reduction in luminance when ion recognition of which, is possible.SOLUTION : A clear difference in fluorescent wavelength is observed when a fluorescent ion sensor dye detects cations, such as metal ions by introducing a strong electron-donating ion recognition site into 3-position of a boron dipyrromethene frame and an aromatic ring into 5-position thereof (for example, as following formula), and separation of an absorption maximum wavelength from a fluorescent maximum wavelength reduces influence of an excitation light noise, (in the formula, Ar is a group including an aromatic ring, or the like, Rto Rare a hydrogen atom, an alkyl group, an aryl group, or the like, and Rand Rare an alkyl group and an aryl group, or the like). |
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