Pyrolysis-GC-Orbitrap MS - a powerful analytical tool for identification and quantification of microplastics in a biological matrix

2021/11/25   下载量： 0 次

方案摘要

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应用领域 生物产业
检测样本 其他
检测项目 微塑料
参考标准 暂无

The purpose of the experiments described in this work was to assess the applicability of pyrolysis-gas chromatography-Orbitrap™ mass spectrometry for the qualitative and quantitative analysis of plastic polymers in complex biological matrices

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Plastics are synthetic organic polymers, commercially introduced on a large scale starting in the 1950s. Single-use plastics (grocery bags, food packaging, bottles, utensils) are persistent pollutants making up approximately 40% of beach litter1 . This litter eventually ends up in the marine environment, with an estimated 8 million metric tons of plastic waste entering the oceans worldwide every year2 . Most plastics have a very long degradation time, and for a timespan up to centuries they end up as macro-, micro- and nanoplastics through weathering. Due to their characteristics and additional content (monomeric residue, plasticizers, flame retardants etc.), micro- and nanoplastics can have complex toxicological effects on marine life through direct ingestion3-5 and/or leachates6. This might represent a hazard for ecosystems and for human exposure through consumption and inhalation7 . As this is an emerging field, there are limited studies on the identification of plastic polymers, and stringent quantification requirements remain to be developed. Estimates of plastic loads in the oceans range six orders of magnitude, while no comprehensive data exist for microplastics in soils despite considerable agricultural use8.

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赛默飞色谱与质谱
钻石会员 丨 第23年
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