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用于痕量挥发性有机化合物筛查的廉价简易人体呼气采集系统，采用热解吸-气相色谱-质谱联用技术。

Cheap and easy human breath collection system for trace volatile organic compounds screening using thermal desorption - gas chromatography mass spectrometry.

作者信息

Vicent-Claramunt Adrian, Naujalis Evaldas

机构信息

State Research Institute Center for Physical Sciences and Technology, Savanorių Ave. 231, LT-02300Vilnius, Lithuania.

出版信息

MethodsX. 2021 May 14;8:101386. doi: 10.1016/j.mex.2021.101386. eCollection 2021.

DOI:10.1016/j.mex.2021.101386
PMID:34430282
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8374488/
Abstract

•By analyzing the VOCs presents in our breath, we could identify if some components should not be present in our bodies, or their concentration is higher or lower than normal.•To collect breath samples for VOC analysis, we looked into the current available methodologies and, due to their high prices, tried to develop our own easy and cheap device. A simple single use Minigrip LDPE plastic bag was used in this work and its efficiency and performance were tested.•After breath collection, samples were analyzed using Thermal Desorption (TD) system, coupled with Gas Chromatography Mass Spectrometer (GC-MS).

摘要

•通过分析我们呼出气体中存在的挥发性有机化合物（VOCs），我们可以确定某些成分是否不应存在于我们体内，或者它们的浓度是高于还是低于正常水平。

•为了收集用于VOC分析的呼气样本，我们研究了当前可用的方法，由于其价格高昂，我们试图开发自己的简易且廉价的设备。本研究使用了一个简单的一次性迷你握把低密度聚乙烯（LDPE）塑料袋，并测试了其效率和性能。

•收集呼气样本后，使用热脱附（TD）系统结合气相色谱 - 质谱联用仪（GC - MS）对样本进行分析。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bee8/8374488/55f0b028f760/gr17.jpg
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Factors that influence the volatile organic compound content in human breath.影响人体呼出气体中挥发性有机化合物含量的因素。
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