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<p>This study aims to evaluate the bioaccumulation of microplastics in dog conch (<i>Laevistrombus canarium</i>) using polystyrene microplastics labeled with Iodine-131 as a radiotracer with variations in water salinity (30, 32, and 34&#xa0;g&#xa0;L<sup>−1</sup>) and microplastic concentrations (0.9625, 1.925, and 3.85&#xa0;m g&#xa0;L<sup>−1</sup>). The results showed that optimal bioaccumulation occurred at a salinity of 32&#xa0;g&#xa0;L<sup>−1</sup> and the lowest microplastic concentration, indicating physiological limitations in the accumulation process. The radiotracer method proved effective in sensitively and real-time detecting microplastic accumulation. These findings highlight the importance of environmental parameters on microplastic bioaccumulation and their implications for the health of marine organisms.</p>

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The measurement of 131I-labeled microplastic accumulation in dog conch (Laevistrombus canarium) using radiotracing method

  • 期刊论文

  • 发表日期：

    2025年7月31日

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  • Rieke P. Legendevi,
  • Muslim Muslim,
  • Heny Suseno,
  • Moch Subechi,
  • Chairuman Chairuman,
  • Marlina Marlina,
  • Miftakul Munir

摘要

This study aims to evaluate the bioaccumulation of microplastics in dog conch (Laevistrombus canarium) using polystyrene microplastics labeled with Iodine-131 as a radiotracer with variations in water salinity (30, 32, and 34 g L−1) and microplastic concentrations (0.9625, 1.925, and 3.85 m g L−1). The results showed that optimal bioaccumulation occurred at a salinity of 32 g L−1 and the lowest microplastic concentration, indicating physiological limitations in the accumulation process. The radiotracer method proved effective in sensitively and real-time detecting microplastic accumulation. These findings highlight the importance of environmental parameters on microplastic bioaccumulation and their implications for the health of marine organisms.