水样中水杨醛、DPA、Al3+和Pb2+的多功能比例荧光检测平台

IF 4.1 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2025-04-05 DOI:10.1016/j.dyepig.2025.112810

Huijun Li , Xiaoqin Feng , Xiang Liu , Junjun Sun , Jianchao Shi , Zhanguo Li , Zhouqing Xu , Yan Wang

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引用次数: 0

摘要

开发识别水样中各种有毒物质的多功能传感平台对公共安全至关重要。水杨醛广泛应用于香料、医药、农药、染料、金属螯合剂等精细化工产品中。2,6 -吡啶二羧酸（2,6 -pyridinedicarboxylic acid， DPA）是细菌孢子的主要成分，被认为是检测炭疽最重要的生物标志物。过量接触Al3+与阿尔茨海默病和帕金森病等健康风险有关。铅+是一种重要的环境污染物，可导致各种健康问题，包括肌肉麻痹、贫血、记忆和精神健康问题。本研究开发了一种双发射混合材料SiQDs@ZIF-8@Eu3+@HPU-14，用于比例检测SA， DPA， Al3+和Pb2+。由于在484 nm处发射增强，在618 nm处发射淬灭，SiQDs@ZIF-8@Eu3+@HPU-14对SA的检出限较低，为138 nm。微量DPA可增强618 nm处的发光，大浓度DPA可淬灭618 nm处的发光（LOD = 0.637 nm）。在SiQDs@ZIF-8@Eu3+@HPU-14-SA溶液中加入Al3+和Pb2+可以产生明显的荧光响应，使得SiQDs@ZIF-8@Eu3+@HPU-14-SA能够区分Al3+ (LODAl3+ = 321 nM)和Pb2+ (LODPb2+ = 158 nM)。在此基础上，设计了逻辑门系统、传感膜和新型微流控传感器阵列平台，为智能、便携传感提供了前景。本文介绍了具有综合传感功能的复杂杂化材料在水环境中应用的创新思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A multifunctional ratiometric fluorescence sensing platform for Salicylaldehyde, DPA, Al3+, and Pb2+ in water samples

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A multifunctional ratiometric fluorescence sensing platform for Salicylaldehyde, DPA, Al3+, and Pb2+ in water samples

Developing multifunctional sensing platform for recognizing various toxic substances in water samples is essential for public safety. Salicylaldehyde is widely used in fine chemicals such as spices, pharmaceuticals, pesticides, dyestuffs and metal chelating agents. 2, 6-pyridinedicarboxylic acid (DPA), the main component of bacterial spores, is regarded as the most important biomarker for anthrax detection. Excessive exposure to Al³⁺ is associated with health risks such as Alzheimer's and Parkinson's diseases. Pb²⁺, a significant environmental pollutant, can lead to various health issues including muscle paralysis, anemia, and memory and mental health concerns. This work develops a dual-emission hybrid SiQDs@ZIF-8@Eu³⁺@HPU-14 for ratiometric detection of SA, DPA, Al³⁺ and Pb²⁺. Due to the enhanced emission at 484 nm and quenched emission at 618 nm, SiQDs@ZIF-8@Eu³⁺@HPU-14 has a low detection limit of 138 nM for SA. Besides, the emission at 618 nm could be enhanced by trace DPA and quenched by large concentration of DPA (LOD = 0.637 nM). The addition of Al³⁺ and Pb²⁺ in SiQDs@ZIF-8@Eu³⁺@HPU-14-SA solution could bring about distinct fluorescence responses, allowing the ability of SiQDs@ZIF-8@Eu³⁺@HPU-14-SA to distinguish Al³⁺ (LOD_Al3+ = 321 nM) and Pb²⁺ (LOD_Pb2+ = 158 nM). Furthermore, a logical gate system and sensing film as well as a new microfluidic sensor-array platform were designed, offering intelligent and portable sensing prospects. This work introduces innovative ideas for synthesizing sophisticated hybrid materials with integrated sensing functionalities applied in water environment.

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来源期刊

Dyes and Pigments 工程技术-材料科学：纺织

CiteScore

8.20

自引率

13.30%

发文量

933

审稿时长

33 days

期刊介绍： Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied. Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media. The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.