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March 21, 2026Environmental Chemistry and EcotoxicologyOpen Access

Photoaged polylactic acid biodegradable microplastics mitigate didecyldimethylammonium chloride toxicity in Microcystis aeruginosa by reducing bioavailability and inducing molecular adaptations

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Authors

ZXZhengxin XieCWChuanjie WangYCYifei Chen

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Overview

Investigates how biodegradable microplastics reduce toxicity from didecyldimethylammonium chloride in Microcystis aeruginosa, suggesting ecological risk mitigation.

Key Points

  • The aim is to understand how photoaged biodegradable microplastics affect the toxicity of didecyldimethylammonium chloride in Microcystis aeruginosa.
  • Investigated effects of UV-induced aging on polylactic acid biodegradable microplastics.
  • Evaluated combined toxicity of virgin and aged PLA-BMPs with didecyldimethylammonium chloride.
  • Conducted transcriptomic analysis to assess molecular adaptations in response to toxicity.
  • Aged PLA-BMPs showed enhanced adsorption of DDAC, reducing its bioavailability more than virgin PLA-BMPs.
  • DDAC alone caused severe physiological harm, leading to growth inhibition and increased microcystin production.
  • Co-exposure with aged PLA-BMPs significantly reduced DDAC toxicity and activated adaptive molecular responses.

Cite This Study

Xie et al. (2026) studied this question.

synapsesocial.com/papers/69be37ce6e48c4981c677ae4https://doi.org/10.1016/j.enceco.2026.03.012
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