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通过氧化锡传感器建立健康呼吸基线:非侵入性健康监测的基本构建块
Shivaum Heranjal1,2, Mariana Maciel1, Sai Nishith Reddy Kamalapally1,3
1Integrated Nanosystems Development Institute, Indiana University-Purdue University, Indianapolis, IN 46202, USA.
Military medicine
|August 20, 2024
概括
电子鼻子检测到呼吸中的挥发性有机化合物 (VOC),作为疾病的潜在生物标志物. 这项研究发现了普遍的健康呼吸基线,这表明在战斗人员中广泛,非侵入性健康监测的潜力.
科学领域:
- 生物标志物和诊断仪器
- 传感器技术 传感器技术
- 战斗人员的健康状况
背景情况:
- 呼出的气息中的挥发性有机化合物 (VOC) 可以表明健康状况,包括COVID-19等疾病.
- 使用金属氧化物 (MOX) 传感器阵列的电子鼻子提供了一种快速,经济高效的检测VOC的方法.
- 建立健康的呼吸基线对于识别与疾病相关的VOC概况变化至关重要.
研究的目的:
- 使用金属氧化物 (MOX) 传感器阵列来描述健康的基线呼出的挥发性有机化合物 (VOC) 配置文件.
- 评估可重现性,并确定呼吸中VOC测量的潜在混因素.
- 为使用电子鼻子监测战士健康和检测潜在的生物威胁奠定基础.
主要方法:
- 招募受试者并收集呼吸样本,通过MOX传感器阵列进行分析.
- 通过问卷和血液测试收集的一般健康标志物的生活方式数据.
- 使用特征提取和统计分析处理的传感器数据,以确定相关性和评估可重现性.
主要成果:
- 分析了164个呼吸样本,其中10名志愿者提供了纵向数据.
- 识别了传感器之间和传感器内部的高相关性,指导特征选择.
- 在调整后,混因素 (年龄,BMI,吸烟,性别) 对传感器特征没有显著影响.
- 实验对象之间的变异性明显高于实验对象内部的变异性,这表明普遍的健康呼吸基线.
结论:
- 使用MOX传感器阵列确定了通用健康呼吸VOC基线.
- 这一基线可以作为未来检测疾病状态的研究的参考.
- MOX传感器技术有望实现便携式,非侵入性健康监测,以提高战斗人员的准备能力.
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