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暴露在高密度聚乙烯微塑料中的Gutweed Ulva intestinalis (林奈斯,1753) 的生理反应

Philippe Anthony M Alfafara¹, Pauleanne B Nacario¹, Nelle Adrian M Ceniza¹

¹Research on the Environment, Analytical Chemistry, and Toxicology Group (Re-EnACT Group), University of San Carlos, 6000 Cebu City, Philippines; Department of Chemistry, School of Arts and Sciences, University of San Carlos, 6000 Cebu City, Philippines.

Marine pollution bulletin

|June 12, 2025

概括

微塑料 (MP) 污染对绿色大藻Ulva intestinalis产生负面影响. 暴露于高密度聚乙烯微塑料 (HDPE-MPs) 减少了生长和叶绿素,同时增加了氧化应激.

科学领域:

环境科学环境科学
海洋生物学海洋生物学
生态毒理学生态毒理学

背景情况:

微塑料 (MP) 污染是一个重大的全球环境问题.
关于MPs对自营水生生物,特别是大藻类的影响存在知识差距.

研究的目的:

为了研究高密度聚乙烯微塑料 (HDPE-MPs) 对绿色大藻类物种Ulva intestinalis的生理影响.

主要方法:

在Ulva intestinalis被暴露在100mg/L的HDPE-MPs中14天.
扫描电子显微镜 (SEM) 和FT-IR光谱学证实了MP的坚持.
估计的生长速度,叶绿素含量和蛋白质碳基含量.

主要成果:

暴露于HDPE-MP显著影响了U.肠道 (p < 0.05).
治疗组表现出较低的生长率 (1.24%对比3.15%) 和叶绿素含量 (0.705对比0.911毫克/克).
在接受治疗的组中,蛋白质碳酸含量显著增加 (1.654比0.571nmol DNPH/mg蛋白质),表明氧化应激增加.

结论:

暴露于HDPE-MP会对Ulva intestinalis体内的生理过程产生不利影响.
这项研究强调了微塑料对自营水生生物的潜在负面影响.

关键词:

坚持的坚持坚持的坚持宏观藻类是一种大藻类.微塑料是一种微塑料.聚乙烯聚乙烯的使用方法表面吸附的吸附方式

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