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见未来:一种合适的方法方法来检测和识别生物群中的微生物塑料

Federica Laface¹, Cristina Pedà², Chiara Giommi³

¹Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy; Sicily Marine Centre, Stazione Zoologica Anton Dohrn - National Institute of Biology, Ecology and Marine Biotechnology, Villa Pace - Contrada Porticatello 29, 98167 Messina, Italy.

The Science of the total environment

|July 20, 2023

概括

一种使用氧化 (KOH) 的新方法有效地从海中提取生物塑料 (bio-MPs). 这种方法保持了生物MP的完整性,这对于评估它们在水生生态系统中的环境影响至关重要.

科学领域:

环境科学环境科学
海洋生物学海洋生物学
聚合物科学聚合物科学

背景情况:

生物塑料为传统塑料提供了可持续的替代品,符合循环经济原则.
关于生物微塑料 (bio-MPs) 在海洋环境中的发生和影响的研究有限.
缺乏从海洋生物中提取生物MP的标准化方法.

研究的目的:

确定和验证一种从海洋生物中提取生物MP的方法.
评估氧化 (KOH) 消化方案的有效性,以检测中的Mater-Bi (MBi) 生物MPs.
在不同的条件下评估KOH对处女和老年MBi的影响.

主要方法:

通常用于常规微塑料的KOH化学消化协议被调整为生物-MPs检测.
测试Mater-Bi (MBi) 微塑料 (200-1000微米) 在体组织中的处女 (VMBi) 和老化 (AMBi) 形式.
样品在消化前和消化后进行分析,以评估恢复率,视觉变化,尺寸变化和聚合物降解.

主要成果:

陈旧的MBi (AMBi) 代表了现实的海洋条件,被污染保存,抵抗KOH降解.
处女MBi (VMBi) 在生产前条件下对KOH表现出一些敏感性.
通过KOH方法,成功地从视觉状况良好的贝中恢复了生物MP,没有改变聚合物,甚至是小颗粒.

结论:

KOH消化方案是检测海洋生物中的生物微塑料的可靠方法.
污染等环境因素保护老化生物塑料在提取过程中免受化学降解.
这种经过验证的方法是评估生物MPs在海洋生态系统中的环境影响的关键一步.

关键词:

化学消化化学消化隔离隔离隔离隔离海洋污染海洋污染这就是Mater-Bi.微塑料是一种微塑料.梅虫 (Mytilus galloprovincialis) 是一个省份的植物.

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