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与光灯废弃物浸物相关的生态毒理影响,对海洋巨藻Ulva sp

Ana Francisca Santos¹, Daniel Barros¹, Thainara Viana¹

¹LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.

Marine pollution bulletin

|November 12, 2025

概括

光灯废弃物泄漏物会对大藻类造成伤害,减少生长和叶绿素. 然而,防御机制可以防止死亡,稀土元素的积累仍然有效,尽管有毒性.

科学领域:

环境毒理学环境毒理学
海洋生物学海洋生物学
废物管理废物管理

背景情况:

光灯 (FL) 含有 (Hg) 和稀土元素 (REE),如果处理不当,会对环境造成风险.
从FL废物中提取REE的酸性提取产生具有潜在毒性的浸出物,影响后续的回收方法,如藻类吸收.
关于FL液效应的生态毒理学数据有限,阻碍了有效的废物管理政策.

研究的目的:

调查真灯 (FL) 废弃物浸出物对藻Ulva sp.生态毒理影响.
评估浸出物暴露对大藻类死亡率,生长,叶绿素含量和生化反应的影响.
评估液毒性对大藻稀土元素 (REE) 积累的影响.

主要方法:

宏观藻类 (Ulva sp.) 是一种主要的藻类. 暴露于FL废物液的各种稀释物3天.
分析包括死亡率,相对生长率,叶绿素含量和生物化学标记 (酶活性,脂质损伤).
大藻中的元素度 (Hg,Y,Eu) 与初始液度相关.

主要成果:

暴露在FL液中降低了Ulva sp.的叶绿素含量和生长率.
浸出物暴露激活了抗氧化剂和生物转化酶,表明了应激反应.
观察到脂质损伤,但防御机制阻止了宏藻死亡和变色.
在大藻中REE的积累与液水平相关,并没有受到毒性影响.

结论:

FL废弃物液对宏藻产生显著的生态毒理影响,包括生长抑制和生化压力.
大藻类表现出对FL液毒性的防御机制,防止死亡,但不能消除细胞损伤.
尽管存在毒性问题,但大藻类仍然可以从FL液中积累REE,这表明了结合废物处理和资源回收的潜力.

关键词:

光灯是一种光灯.宏观藻类是一种大藻类.水星水星水星水星水星氧化应激是一种氧化应激.稀土元素稀土元素是一种稀土元素.废弃物废弃物废弃物

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