A novel quinolinyl-tetraphenylethene-based fluorescence “turn-on” sensor for Zn<sup>2+</sup> with a large Stokes shift and its applications for portable test strips and biological imaging
Jian‐Xing Xu, Jingwen Xiong, Yanlin Qin, Zongzhi Li, Chengqiang Pan, Yanping Huo, Hao‐Li Zhang
Abstract
A new 8-hydroxyquinoline derivative <bold>TPE(OH)-8HQ</bold>, has been synthesized and evaluated as an efficient fluorescence “turn-on” sensor for detection of Zn<sup>2+</sup> based on the chelation-enhanced fluorescence (CHEF) mechanism in neutral aqueous solution.
Topics & Concepts
FluorescenceStokes shiftChelationAqueous solutionTurn (biochemistry)Derivative (finance)8-HydroxyquinolineSTRIPSMaterials scienceAggregation-induced emissionPhotochemistryChemistryAnalytical Chemistry (journal)NanotechnologyInorganic chemistryOpticsPhysical chemistryOrganic chemistryPhysicsEconomicsComposite materialFinancial economicsBiochemistryMolecular Sensors and Ion DetectionLuminescence and Fluorescent MaterialsAdvanced biosensing and bioanalysis techniques