AirPen: A Wearable Monitor for Characterizing Exposures to Particulate Matter and Volatile Organic Compounds.
AirPen: A Wearable Monitor for Characterizing Exposures to Particulate Matter and Volatile Organic Compounds.
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DOI：
10.1021/acs.est.3c02238
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发表时间：
2023-07-25
影响因子：
11.4
通讯作者：
Volckens, John
中科院分区：
文献类型：
--
作者：
Tryner, Jessica;Quinn, Casey;Rueda, Emilio Molina;Andales, Marie J. J.;LOrange, Christian;Mehaffy, John;Carter, Ellison;Volckens, John
暴露于空气污染是疾病和过早死亡的主要风险因素，但用于评估个人暴露于颗粒物和气态空气污染物（包括此类暴露的时间和地点）的技术有限。我们开发了一款名为 AirPen 的小型、安静、可穿戴监测器，用于量化个人接触细颗粒物 (PM2.5) 和挥发性有机化合物 (VOC) 的情况。 AirPen 将物理样本收集（PM 收集到过滤器上，VOC 收集到吸附剂管上）与一套低成本传感器（用于 PM、VOC、温度、压力、湿度、光强度、位置和运动）相结合。我们在实验室中对照传统个人采样设备对 AirPen 进行了验证，然后进行了一项实地研究，以测量美国科罗拉多州一家农业设施的员工在工作期间和下班后接触 PM2.5 和 VOC 的情况。由此产生的采样和传感器数据表明，个人接触苯、甲苯、乙苯和二甲苯的情况主要集中在特定的工作场所位置。这些结果说明了如何使用 AirPen 来加深我们对个人暴露于空气污染的时间、地点、来源和活动的理解，即使在没有详细的活动日记数据的情况下也是如此。我们描述了可穿戴颗粒物和挥发性有机化合物监测仪如何深入了解不同地点、事件、来源和活动如何影响个人接触空气污染的情况。
Exposure to air pollution is a leading risk factor for disease and premature death, but technologies for assessing personal exposure to particulate and gaseous air pollutants, including the timing and location of such exposures, are limited. We developed a small, quiet, wearable monitor, called the AirPen, to quantify personal exposures to fine particulate matter (PM2.5) and volatile organic compounds (VOCs). The AirPen combines physical sample collection (PM onto a filter and VOCs onto a sorbent tube) with a suite of low-cost sensors (for PM, VOCs, temperature, pressure, humidity, light intensity, location, and motion). We validated the AirPen against conventional personal sampling equipment in the laboratory and then conducted a field study to measure at-work and away-from-work exposures to PM2.5 and VOCs among employees at an agricultural facility in Colorado, USA. The resultant sampling and sensor data indicated that personal exposures to benzene, toluene, ethylbenzene, and xylenes were dominated by a specific workplace location. These results illustrate how the AirPen can be used to advance our understanding of personal exposure to air pollution as a function of time, location, source, and activity, even in the absence of detailed activity diary data. We describe how a wearable particulate matter and volatile organic compound monitor can provide insight into how different locations, events, sources, and activities influence personal exposure to air pollution.
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