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Acid-Base Sensors Based on Novel Quinone-Type Dyes

机译:基于新型醌型染料的酸碱传感器

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We presenta detailed study on the acid-base behaviour of a family of "potentially antiaromatic"p-benzoquinonediimine ligands.These 12pi electron moelcules can be considered as constituted of two chemically connected but electronically not conjugated 6pi-electron subunits.Upon successive protonation,"mono"and "double"cyanine-type chromophores are generated in solution and allow a precise and sensitive spectrophotometric detection.These molecules represent a new class of tunable quinones whose electronic and structural properties can be triggered by proton input,as etablished by a complete physicochemical study involving a combination of potentiometric and spectrophotometric methods (absorption and emission).
机译:我们对一个“潜在的抗芳香族”对苯二醌二亚胺配体家族的酸碱行为进行了详细的研究。这些12pi电子分子可视为由两个化学连接但未共轭的6pi电子亚基组成。溶液中生成单”和“双”花青型发色团,可以进行精确而灵敏的分光光度法检测。这些分子代表了一类新型的可调醌,其电子和结构性质可由质子输入触发,如完整的物理化学所证实研究涉及电位法和分光光度法(吸收和发射)的组合。

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