Colorimetric logic design for rapid and precise discrimination of nitrate-based improvised explosives

Colorimetric logic design for rapid and precise discrimination of nitrate-based improvised explosives
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用于快速准确辨别硝酸盐简易爆炸物的比色逻辑设计

DOI:
10.1016/j.xcrp.2020.100317
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发表时间:
2021-02
影响因子:
8.9
通讯作者:
Xincun Dou
Xincun Dou
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Guangfa Wang;Zhenzhen Cai;Xincun Dou

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快速和精确的传感阵列可以帮助减轻简易爆炸物的恐怖袭击。然而,数据处理方法的复杂性是影响传感阵列未来发展的最大障碍之一。在这里,我们提出了一种比色逻辑设计,充分利用了YES/NO逻辑门进行快速判别和比色解码器进行进一步精确判断。通过将不同比色水凝胶单元集成到传感阵列中,验证了该逻辑设计对最流行的简易爆炸物(即硝酸盐基简易爆炸物)的识别能力,包括黑火药(BP)、硝酸铵(AN)、硝酸尿素(UN)及其相关成分。尽管最终结果有效地验证了这种方法,但它仍然处于概念验证阶段。尽管如此,我们相信它的应用也可以扩展到其他领域,如药物检测、环境污染和诊断设备。
Rapid and precise sensory arrays could help mitigate against terrorist attacks with improvised explosives. However, the complexity of data processing methods is one of the greatest barriers to the future development of sensory arrays. Here, we present a colorimetric logic design that makes full use of a YES/NO logic gate for rapid discrimination and a colorimetric decoder for further precise judgment. The identification ability of this logic design for the most popular improvised explosives (i.e., nitrate-based improvised explosives), including black powder (BP), ammonium nitrate (AN), urea nitrate (UN), and their related constituents, is verified by integrating different colorimetric hydrogel units into a sensory array. Although the resulting outcome validates this methodology effectively, it remains at proof-of-concept. That said, we believe that its application could also be extended to other fields, such as drug detection, environmental pollution, and diagnostic devices.
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