Divergent filtration mechanisms of fibrous and non-fibrous microplastics in mesh-filtered sampling toward a harmonized framework for abundance correction

Physically-Based Mesh Selectivity Correction Model for Standardized Microplastic Abundance Estimates in Aquatic Environment

Comparison of Microplastic Abundance in Environmental Samples Depending on Sample Collection and Preparation Techniques

AI summary · Read the abstract

Researchers compared how different sample collection and preparation techniques affect the measured abundance of microplastics in environmental samples, finding that methodological inconsistencies can significantly skew results — making standardized protocols essential for accurately understanding how much plastic pollution actually exists.

Pitfalls and Limitations in Microplastic Analyses

AI summary · Read the abstract

Inconsistent sampling strategies, sample preparation methods, and analytical techniques across microplastic studies create significant pitfalls including contamination, particle loss, and misidentification that undermine comparability of results. Standardizing protocols is urgently needed to build a reliable global picture of microplastic abundance and risk.

Are we underestimating microplastic abundance in the marine environment? A comparison of microplastic capture with nets of different mesh-size

AI summary · Read the abstract

By sampling marine water simultaneously with 333 µm and finer nets, researchers demonstrated that standard 333 µm sampling nets miss the majority of microplastics present, with finer nets capturing orders of magnitude more particles and revealing severe underestimation in existing abundance data.

Harmonious assessment of mesh effect in water sieve sampling for fibrous microplastics abundance

AI summary · Read the abstract

Researchers tested the efficiency of mesh openings from 50–500 µm for sieve sampling of fibrous microplastics in surface water from Zhanqiao Pier, China, using a multi-layer continuous filtration device. Mesh size significantly affected both the quantity and geometric properties of collected fibers, with smaller mesh openings capturing more particles, demonstrating the need for standardized mesh selection in MP abundance reporting.