Hydrolytic degradation of biodegradable poly(butylene adipate-co-terephthalate) (PBAT) - Towards an understanding of microplastics fragmentation

Oligomer production and effects on gut microbiota of PLA and PBAT biodegradable microplastics in in vitro digestion model

Degradation of Microplastics in the Environment

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This review outlines the mechanical, chemical, and biological degradation pathways of environmental microplastics, noting that degradation rates depend on polymer structure, chemical additives, and environmental conditions such as temperature and UV exposure. Understanding how microplastics break down is essential because degradation produces smaller nanoplastics and releases toxic additives, potentially increasing bioavailability and health risks over time.

Degradation of Microplastics in the Environment

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Researchers reviewed how microplastics break down in the environment through mechanical, chemical, and biological processes, finding that degradation rates vary widely depending on the type of plastic and environmental conditions, meaning some plastics persist for decades or longer.

A Review on the Fate of Microplastics: Their Degradation and Advanced Analytical Characterization

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This review covers current methods for extracting, degrading, and analytically characterizing microplastics from environmental and biological samples, highlighting major gaps in photo-oxidation, biodegradation, and photo-thermal degradation approaches. Establishing effective microplastic degradation methodologies is essential for reducing their prolonged environmental persistence and preventing ongoing bioaccumulation of plastic fragments and associated toxic chemicals in food chains.

Evaluating degradation levels and their potential impact on the quantification of microplastics in the environment