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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >A simple-structured acridine derivative as a fluorescent enhancement chemosensor for the detection of Pd2+ in aqueous media
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A simple-structured acridine derivative as a fluorescent enhancement chemosensor for the detection of Pd2+ in aqueous media

机译：一种简单结构的a啶衍生物作为荧光增强化学传感器，用于检测水性介质中的Pd2 +

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摘要

4,5-Bis(hydroxymethyl) acridine (sensor 1) has been discovered and synthesized as a simple-structured Pd2+ fluorescent probe. Sensor 1 showed highly selective recognition toward Pd2+ over other examined metal ions in aqueous solution. Under the optimized condition, fluorescence intensity was linearly proportional to the concentration of Pd2+ in the 0-1 mu M concentration range with detection limits of 0.021 mu M. The EDTA-adding and stoichiometry experiments indicated that sensor 1 was a reversible chemosensor for Pd2+ with a 2:1 ligand/metal complex at neutral pH. Moreover, the sensor 1 was also successfully applied to determination of Pd2+ in water samples and palladium-containing catalyst, which made it attractive for sensing applications. (c) 2014 Elsevier B.V. All rights reserved.
机译：已经发现并合成了4,5-双（羟甲基）cr啶（传感器1）作为简单结构的Pd2 +荧光探针。传感器1显示出对Pd2 +的高度选择性识别，优于水溶液中的其他检查的金属离子。在最佳条件下，荧光强度与0-1μM浓度范围内Pd2 +的浓度成线性比例，检出限为0.021μM。EDTA加法和化学计量学实验表明，传感器1是Pd2 +的可逆化学传感器。在中性pH下为2：1的配体/金属络合物。此外，传感器1还成功地用于测定水样和含钯催化剂中的Pd2 +，这使其在传感应用中具有吸引力。 （c）2014 Elsevier B.V.保留所有权利。

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