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An advanced analytical approach to assess the long-term degradation of microplastics in the marine environment

Environmental Studies and Forestry

An advanced analytical approach to assess the long-term degradation of microplastics in the marine environment

C. Maddison, C. I. Sathish, et al.

This groundbreaking research by Carbery Maddison and colleagues uncovers how microplastics degrade in marine environments, revealing rates up to 12 times higher than previously thought. The findings highlight the formation of new microparticles and provide essential data for plastic-specific risk assessments and policymaking.

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Playback language: English
Abstract
This research investigates the long-term degradation of microplastics in marine environments. The study reveals significant degradation of plastic surfaces and bulk phases varying by time and polymer type. Biofouling, altered surface morphology, thermal stability changes, and chemical signature shifts were observed. Secondary micronanoplastics were formed, with degradation rates up to 12 times higher than previous estimates. This time-series data is crucial for developing plastic-specific risk assessments and informing plastics policy.
Publisher
npj Materials Degradation
Published On
Jul 26, 2023
Authors
Carbery Maddison, C. I. Sathish, Daggubati Lakshmi, O'Connor Wayne, Thava Palanisami
Tags
microplastics
marine environments
degradation rates
biofouling
risk assessments
plastics policy
environmental impact

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