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一种新型电子鼻子的性能,用于检测与饥饿或大规模灾害后人类分解有关的挥发性有机化合物

Emily J Sunnucks¹, Bridget Thurn^1,2, Amber O Brown¹

¹Centre for Forensic Sciences, School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, NSW 2007, Australia.

Sensors (Basel, Switzerland)

|September 28, 2024

概括

这项研究评估了一种电子鼻子 (e-nose),用于在大规模灾害后定位受害者. 该NOS.E系统成功检测到人体分解的挥发性有机化合物 (VOC),为嗅探犬提供了具有成本效益的替代方案.

科学领域:

法医科学法医科学法医科学
分析化学分析化学
生物技术是生物技术.

背景情况:

大规模灾难事件需要迅速找到受害者.
嗅探犬是有效的,但有局限性 (工作时间,成本,假阳性).
电子鼻子 (e-noses) 为检测挥发性有机化合物 (VOCs) 提供了一个潜在的替代方案.

研究的目的:

评估NOS.E电子鼻子系统的有效性和传感器响应.
确定系统在检测人类前死亡和分解VOC方面的能力.
评估NOS.E在模拟大规模灾难场景中的表现.

主要方法:

使用已知人类VOC的分析标准.
标准在空气中稀释,并使用NOS.E.E.采样.
该NOS.E在模拟人类尸体的大规模灾难场景中进行了测试.

主要成果:

电子鼻子检测并从死前和分解资料中区分VOC.
在各种化学品类中,平均检测极限 (LOD) 为7.9ppm.
从死亡后的第三天开始,NOS.E显示了人类捐赠者和对照样本之间的显著差异.

结论:

该NOS.E系统在检测人类分解VOC方面表现出有效性.
优点包括较低的检测极限,便携性,快速采样,与传统方法相比成本更低.
电子鼻子是大规模灾难场景中识别受害者的一个有希望的工具.

关键词:

在 DVI 中,我们可以使用 DVI.挥发性有机化合物挥发性有机化合物腐烂的气味腐烂的气味机器嗅觉嗅觉是一种机器的嗅觉.金属氧化物传感器金属氧化物传感器传感器传感器传感器

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