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在Eisenia fetida土中的抗菌剂:从方法开发到吸收和降解评估的综合研究

I Vergara-Luis¹, C F Rutkoski², E Urionabarrenetxea³

¹Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Leioa, Basque Country, Spain; Research Centre for Experimental Marine Biology and Biotechnology (PIE), University of the Basque Country (UPV/EHU), Plentzia, Basque Country, Spain.

The Science of the total environment

|February 26, 2024

概括

这项研究开发了一种检测中的抗微生物 (AMs) 的方法,发现硫甲 (SMZ) 和四环素 (TC) 生物累积. 此外,SMZ还导致了虫的体重减轻和改变了 riboflavin 水平,这表明了潜在的免疫系统影响.

科学领域:

环境化学环境化学
生态毒理学生态毒理学
分析化学分析化学

背景情况:

抗微生物药物 (AMs) 被广泛使用,导致土壤污染.
虫是重要的土壤生物,可以通过摄入和皮肤接触接触AMs.
了解AMs在土壤生态系统中的命运和影响至关重要.

研究的目的:

开发和验证一种分析方法,用于在中同时进行AMs分析.
研究硫甲 (SMZ) 和四环素 (TC) 在 (Eisenia fetida) 中的生物积累和降解.
评估SMZ和TC对的生态毒理学影响.

主要方法:

开发一种使用UHPLC-MS/MS用于27AMs的精确分析方法.
经合组织207毒性测试,以暴露地到和TC的土壤中.
使用UHPLC-MS/MS和q-Orbitrap HRMS对AMs积累和降解的分析.
对生长和 riboflavin 水平的评估.

主要成果:

通过UHPLC-MS/MS方法,在大多数AM中实现了足够的恢复和LOQ.
无论是SMZ还是TC都在中生物积累,SMZ的生物度因子更高.
确定了13种SMZ和TC的转化产品 (TP),其中8种是土壤/子矩阵中的新产品.
暴露于SMZ导致的体重减轻和降低 рибофлавин水平,而TC影响了高度的 рибофлавин.

结论:

开发的方法适用于在中监测AMs.
在土壤无脊椎动物中,SMZ和TC存在生物积累的风险.
防腐剂可以改变地生理学,可能会影响土壤生态系统的健康.
需要进一步的研究来了解AM及其TP的长期环境影响.

关键词:

抗微生物药物是一种抗微生物药物.降解产品是一种降解产品.土虫土虫是一种虫.影响影响影响影响影响 q-轨道飞行器的轨道飞行器

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