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Electrochemical sensing of explosives

机译：爆炸物的电化学感应

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摘要

This article reviews recent advances in electrochemical sensing and detection of explosive substances. Escalating threats of terrorist activities and growing environmental concerns have generated major demands for innovative field-deployable tools for detecting explosives in a fast, sensitive, reliable and simple manner. Field detection of explosive substances requires that a powerful analytical performance be coupled to miniaturized low-cost instrumentation. Electrochemical devices offer attractive opportunities for addressing the growing explosive sensing needs. The advantages of electrochemical systems include high sensitivity and selectivity, speed, a wide linear range, compatibility with modern microfabrication techniques, minimal space and power requirements, and low-cost instrumentation. The inherent electroactivity of nitroaromatic, nitramine and nitroester compounds makes them ideal candidates for electrochemical detection. Recent activity in various laboratories has led to the development of disposable sensor strips, novel electrode materials, submersible remote sensors, and electrochemical detectors for microchip ('Lab-on-Chip') devices for on-site electrochemical detection of explosive substances. The attractive behavior of these electrochemical monitoring systems makes them very promising for addressing major security and environmental problems.
机译：本文回顾了电化学检测和爆炸性物质检测的最新进展。恐怖活动的威胁不断升级以及对环境的日益关注，产生了对以新颖，可现场部署的工具以快速，灵敏，可靠和简单的方式检测爆炸物的主要需求。爆炸性物质的现场检测要求强大的分析性能与小型化的低成本仪器相结合。电化学设备为满足不断增长的爆炸传感需求提供了诱人的机会。电化学系统的优点包括高灵敏度和选择性，速度，宽线性范围，与现代微加工技术的兼容性，最小的空间和功率要求以及低成本的仪器。硝基芳族化合物，硝胺和硝基酯化合物固有的电活性使其成为电化学检测的理想选择。各个实验室的最新活动导致了一次性传感器带，新型电极材料，潜水式远程传感器以及用于微芯片（“芯片实验室”）设备的电化学检测器的开发，这些设备用于现场爆炸性物质的电化学检测。这些电化学监测系统的诱人性能使其在解决重大安全和环境问题方面非常有前途。

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