基于智能手机电致化学发光成像的水响应干凝胶洪水报警装置

IF 9.1 1区 化学 Q1 CHEMISTRY, ANALYTICAL
Yiran Ma, Wenhui Cai, Chengxiao Zhang, Xiaolin Yang, Honglan Qi
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引用次数: 0

摘要

全球暴发洪水的发生率有所增加,造成人员死亡和重大经济损失。因此,开发经济、及时、高效的洪水预警系统具有重要的经济和社会价值。在这项工作中,制作了一种以水反应性干凝胶为核心材料,利用智能手机电致化学发光(ECL)成像作为探测技术的暴洪报警装置。水响应ECL干凝胶来源于导电ECL水凝胶的干燥过程,其中导电ECL水凝胶材料是通过将Ru(bpy)3Cl2发光基团和导电铟锡氧化物纳米颗粒掺杂到聚乙烯醇与硼砂和蔗糖交联的柔性亲水性聚合物基体中制备的。有趣的是,ECL干凝胶对水表现出快速的反应,并且在有水的情况下表现出显著增强的ECL行为。此外,还以1个锯齿状FTO电极为阳极、5片ECL静电凝胶、1个条形FTO电极为阴极、1个电池组为电源、1个智能手机为检测装置,制作了洪水报警装置。这款洪水报警装置即使在昏暗或夜间条件下也具有有效的水位预警功能,具有成本效益,良好的灵敏度和分辨率,这些都与洪水的最大风险有关。该研究以ECL静电凝胶为基础,利用智能手机作为探测器,开发出了洪水预警装置,有望用于洪水预警。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Water-Responsive Xerogel-Based Flood Alarm Device Utilizing Smartphone Electrogenerated Chemiluminescence Imaging

Water-Responsive Xerogel-Based Flood Alarm Device Utilizing Smartphone Electrogenerated Chemiluminescence Imaging
The global incidence of flash floods has increased, leading to fatalities and significant economic losses. Hence, the development of cost-effective, timely, and efficient flood early warning systems holds significant economic and social value. In this work, a flash flood alarm device was fabricated that employed water-responsive xerogel as a core material and utilized smartphone electrogenerated chemiluminescence (ECL) imaging as the detecting technique. The water-responsive ECL xerogel was derived from the drying process of a conductive ECL hydrogel, where the conductive ECL hydrogel material was prepared by doping both Ru(bpy)3Cl2 luminophore and conductive indium tin oxide nanoparticles into the flexible hydrophilic polymer matrix via the crosslinking of poly(vinyl alcohol) with borax and sucrose. Intriguingly, the ECL xerogel exhibits a rapid response to water and displays a significantly enhanced ECL behavior in the presence of water. Moreover, one flood alarm device was fabricated by the incorporation of one serrate FTO electrode as the anode, five pieces of the ECL xerogel, a strip-type FTO electrode as the cathode, a battery group as the power supply, and a smartphone as the detection device. This flood alarm device demonstrates effective performance in water level warning functionalities even in dim or nocturnal conditions with cost-effectiveness, good sensitivity, and resolution, which are associated with the greatest risk of flooding. This work provides a flood alarm device based on an ECL xerogel utilizing smartphones as detectors, which is promising for the early warning of flood.
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来源期刊
ACS Sensors
ACS Sensors Chemical Engineering-Bioengineering
CiteScore
14.50
自引率
3.40%
发文量
372
期刊介绍: ACS Sensors is a peer-reviewed research journal that focuses on the dissemination of new and original knowledge in the field of sensor science, particularly those that selectively sense chemical or biological species or processes. The journal covers a broad range of topics, including but not limited to biosensors, chemical sensors, gas sensors, intracellular sensors, single molecule sensors, cell chips, and microfluidic devices. It aims to publish articles that address conceptual advances in sensing technology applicable to various types of analytes or application papers that report on the use of existing sensing concepts in new ways or for new analytes.
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