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A Simple Schiff Base Probe for Quintuplicate-Metal Analytes with Four Emission-Wavelength Responses.


ABSTRACT: A versatile mono-Schiff compound consisting of o-aminobenzene-hydroxyjulolidine (ABJ-MS) has been easily synthesized using a one-step reaction. ABJ-MS displays four diverse fluorescence responses to the addition of Zn2+/Al3+/Fe3+/Ag+, with the maximum fluorescence emission at 530 nm undergoing a hypsochromic shift to 502/490/440/430 nm, synchronously with the discriminating fluorescence enhancement being 10.6/22.8/2.6/7.1-fold, respectively. However, the addition of Cu2+ into ABJ-MS leads to an opposite behavior, namely, fluorescence quenching. Meanwhile, ABJ-MS also displays distinct absorption changes after adding these five metal ions due to different binding affinities between them and ABJ-MS, which gives ABJ-MS quite a versatile detecting nature for Cu2+/Zn2+/Al3+/Fe3+/Ag+. Moreover, ABJ-MS can mimic a series of versatile AND/OR/INH-consisting logic circuits on the basis of the Cu2+/Zn2+/Al3+/Fe3+/Ag+-mediated diverse optical responses. These will endow the smart ABJ-MS molecule and potential applications in the multi-analysis chemosensory and molecular logic material fields.

SUBMITTER: Zhang J 

PROVIDER: S-EPMC10490265 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature

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A Simple Schiff Base Probe for Quintuplicate-Metal Analytes with Four Emission-Wavelength Responses.

Zhang Jingzhe J   Wang Kaili K   Sun Yilu Y  

Molecules (Basel, Switzerland) 20230901 17


A versatile mono-Schiff compound consisting of <i>o</i>-aminobenzene-hydroxyjulolidine (ABJ-MS) has been easily synthesized using a one-step reaction. ABJ-MS displays four diverse fluorescence responses to the addition of Zn<sup>2+</sup>/Al<sup>3+</sup>/Fe<sup>3+</sup>/Ag<sup>+</sup>, with the maximum fluorescence emission at 530 nm undergoing a hypsochromic shift to 502/490/440/430 nm, synchronously with the discriminating fluorescence enhancement being 10.6/22.8/2.6/7.1-fold, respectively. How  ...[more]

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