相关实验视频

Updated: May 5, 2026

Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods

Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods

Published on: September 5, 2018

关于化学污染物从微塑料迁移到双体的饮食暴露实验

Taichi Takano¹, Rei Sakurai¹, Mone Ota²

¹Laboratory of Organic Geochemistry, Tokyo University of Agriculture and Technology, 3-5-8, Saiwaicho, Fuchu, Tokyo 183-8509, Japan.

Marine pollution bulletin

|July 26, 2024

概括

贝类生物积累了一些塑料污染物,如PCB,UV327和UV234. 高度水的污染物,包括BDE209和DBDPE,从微塑料中没有显著的转移,这表明出水程度有限.

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:

塑料含有从水中吸收或作为添加剂的有机污染物.
研究海洋生物中的污染物生物积累对于了解生态风险至关重要.

研究的目的:

评估从中的聚乙烯微塑料中吸收的 (PCB) 和添加剂 (BDE209,DBDPE,UV327,UV234) 污染物的生物积累.
为了确定疏水性对微塑料到海洋生物的污染物转移的影响.

主要方法:

使用贝和聚乙烯微塑料进行饮食暴露实验.
在15天后,量化贝生殖腺中的污染物度 (PCB,BDE209,DBDPE,UV327,UV234).
基于八醇-水分区系数 (logKow) 的污染物转移比率的分析.

主要成果:

与对照组相比,暴露于微塑料的贝中发现总PCB,UV327和UV234的度显著更高.
暴露组和对照组之间没有观察到BDE209或DBDPE水平的显著差异.
对于高度疏水性PCB (logKow > 7) 的污染物转移比率下降.

结论:

贝类可以生物积累与微塑料相关的某些有机污染物.
高度水的污染物 (例如BDE209,DBDPE) 显示出微塑料中有限的吸附和浸出.
污染物的疏水性会影响它们从微塑料污染中产生的生物积累潜力.

关键词:

在BFRs中,BFRs是BFRs.这就是BUVSs.生物积累生物积累生物积累贝类贝类贝类贝类在PCB中,PCB是指PCB.塑料添加剂塑料添加剂超级水性超级水性

更多相关视频

Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

Published on: July 28, 2018

A Toxicological and Ecotoxicological Assay Based on Mussel (Mytilus galloprovincialis) Hemocytes Motility

A Toxicological and Ecotoxicological Assay Based on Mussel (Mytilus galloprovincialis) Hemocytes Motility

Published on: December 13, 2024

相关概念视频

Microbial Bioremediation of Plastics

Microbial Bioremediation of Plastics

Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...