在斑马鱼养系统中检测微塑料:微塑料背景污染是否会影响微塑料相关毒理学测试的最终结果?
Bence Prikler1, Gábor Bordós2, Balázs Kriszt3
1Eurofins Analytical Services Hungary Ltd., Budapest 1045, Hungary; Department of Environmental Safety, Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, Gödöllő 2100, Hungary.
Aquatic toxicology (Amsterdam, Netherlands)
|July 13, 2024
概括
斑马鱼住房系统中的微塑料 (MP) 度非常低,这表明它们不会显著影响实验室毒理学测试. 需要进一步的研究来确定微塑料的外部来源.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 水生毒理学 水生毒理学
背景情况:
- 微塑料 (MP) 是一个日益严重的环境问题,越来越多地使用斑马鱼模型进行MP毒理学研究.
- 斑马鱼的住房系统,通常由聚合物制成,可能会将国会议员出水中,可能会造成背景污染.
- 这种背景污染可能会影响微塑料相关毒理学测试的结果.
研究的目的:
- 为了量化普通斑马鱼住房系统中的微塑料度.
- 评估这些度对微塑料毒理学试验结果的潜在影响.
- 调查住房系统中发现的微塑料的来源.
主要方法:
- 采用了两种现场过技术 (环静电和喷气) 来采用水样.
- 微塑料被分析使用里埃变换红外显微镜 (检测极限为50微米).
- 确定了聚合物类型和度,并调查了潜在的来源.
主要成果:
- 新开发的环静电方法显示了更高的微塑料回收,特别是较小的颗粒.
- 聚,聚乙烯和聚烯是检测到的最常见的聚合物.
- 测量的最高度为0.31±0.12颗粒/升,明显低于毒理学研究中使用的度.
结论:
- 与毒理学研究中的实验性暴露水平相比,斑马鱼住房系统中的微塑料含量通常可以忽略不计.
- 检测到的微塑料可能来自外在的来源.
- 实验室环境中背景微塑料污染的可能性值得考虑.
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