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稀土元素在水生系统中的复杂相互作用:比较观察到的和预测到的Mytilus galloprovincialis细胞反应

Carla Leite¹, Madalena Andrade¹, João Pinto²

¹Department of Biology, CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.

The Science of the total environment

|September 30, 2024

概括

电子废物 (电子废物) 将稀土元素 (REEs) 释放到水生系统中. 加多 (Gd) 和兰 (La) 混合物对鱼造成了显著的压力,突出了废弃物污染的风险.

科学领域:

环境科学环境科学
生态毒理学生态毒理学
海洋生物学海洋生物学

背景情况:

电子垃圾 (e-waste) 是一个不断增长的环境污染源.
电子垃圾中的稀土元素 (REEs) 在水生生态系统中越来越多地被发现.
可再生能源的生态毒理效应,特别是混合物中的生态毒理效应,人们对其了解甚微.

研究的目的:

为了研究 (Y),兰 (La) 和加多 (Gd) 对海Mytilus galloprovincialis的单独和联合影响.
评估一系列生物标志物,包括新陈代谢,能量储备,防御酶,氧化还原平衡,细胞损伤和神经毒性.
了解水生环境中废弃废气污染带来的生态风险.

主要方法:

Mytilus galloprovincialis暴露于单个和混合的REEs (Y,La,Gd) 的情况.
分析各种生理和生化压力指标.
对剂量依赖性和混合物特异性影响的评估.

主要成果:

(Y) 暴露导致了最小的应激反应.
加多 (Gd) 和兰 (La),单独或混合,诱导中度至严重的压力.
在暴露于La,Gd及其混合物的鱼中观察到代谢活动的增加和酶反应的改变.

结论:

可再生能源混合物,特别是含有Gd的混合物,对像贝这样的水生生物构成重大生态风险.
在REEs之间添加和复杂的相互作用可以加剧毒性.
进一步的研究对于了解REE混合物在水生生态系统中的长期影响至关重要.

关键词:

生物化学变化生物化学变化共同暴露共同暴露独立行动模式的独立行动模式综合生物标志物反应反应多维缩放分析多维缩放分析.稀土元素稀土元素是一种稀土元素.

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