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Sensor and sensor microtiterplate with expanded pH detection range and their use in real samples

Al-Qaysi, Wafaa Waleed ; Duerkop, Axel


An improved pH indicator derived from a new design concept for luminescent europium complexes and its favourable properties in wide-range pH sensors are introduced. By decorating Eu3+ with ligands that display widespread pK(a) values and an antenna ligand, this probe covers a dynamic range up to 8 pH units. Unlike widerange pH sensors that employ multiple organic dyes with multiple pK(a) values, ...


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