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Original research — experimental, observational, or case-control study. Direct primary evidence.
Detection Methods
Environmental Sources
Policy & Risk
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Reliable River Microplastic Monitoring Using Innovative Fluorescence Dyes—A Case Study
Microplastics2025
Score: 38
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Katrin Schuhen
Katrin Schuhen
Michael Sturm,
Katrin Schuhen
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Anika Korzin,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Katrin Schuhen
Michael Sturm,
Michael Sturm,
Anika Korzin,
Michael Sturm,
Katrin Schuhen
Michael Sturm,
Katrin Schuhen
Michael Sturm,
Michael Sturm,
Anika Korzin,
Erika Myers,
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Michael Sturm,
Anika Korzin,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Michael Sturm,
Anika Korzin,
Anika Korzin,
Erika Myers,
Erika Myers,
Erika Myers,
Erika Myers,
Erika Myers,
Erika Myers,
Michael Sturm,
Anika Korzin,
Erika Myers,
Katrin Schuhen
Dennis Schober,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Katrin Schuhen
Katrin Schuhen
Anika Korzin,
Anika Korzin,
Erika Myers,
Anika Korzin,
Dennis Schober,
Erika Myers,
Pieter Ronsse,
Dennis Schober,
Dennis Schober,
Erika Myers,
Pieter Ronsse,
Pieter Ronsse,
Erika Myers,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Anika Korzin,
Anika Korzin,
Pieter Ronsse,
Pieter Ronsse,
Pieter Ronsse,
Dennis Schober,
Dennis Schober,
Anika Korzin,
Anika Korzin,
Dennis Schober,
Anika Korzin,
Anika Korzin,
Dennis Schober,
Anika Korzin,
Michael Sturm,
Anika Korzin,
Anika Korzin,
Michael Sturm,
Anika Korzin,
Anika Korzin,
Dennis Schober,
Erika Myers,
Katrin Schuhen
Katrin Schuhen
Anika Korzin,
Anika Korzin,
Anika Korzin,
Anika Korzin,
Anika Korzin,
Anika Korzin,
Anika Korzin,
Anika Korzin,
Anika Korzin,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Katrin Schuhen
Katrin Schuhen
Oleg Zernikel,
Erika Myers,
Pieter Ronsse,
Pieter Ronsse,
Pieter Ronsse,
Pieter Ronsse,
Anika Korzin,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Anika Korzin,
Pieter Ronsse,
Pieter Ronsse,
Anika Korzin,
Anika Korzin,
Dennis Schober,
Oleg Zernikel,
Pieter Ronsse,
Pieter Ronsse,
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Erika Myers,
Katrin Schuhen
Oleg Zernikel,
Dennis Schober,
Dennis Schober,
Katrin Schuhen
Oleg Zernikel,
Oleg Zernikel,
Oleg Zernikel,
Oleg Zernikel,
Oleg Zernikel,
Oleg Zernikel,
Oleg Zernikel,
Dennis Schober,
Dennis Schober,
Katrin Schuhen
Dennis Schober,
Dennis Schober,
Katrin Schuhen
Dennis Schober,
Dennis Schober,
Dennis Schober,
Dennis Schober,
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Katrin Schuhen
Summary
Researchers monitored microplastic concentrations (≥10 µm) in three German rivers using fluorescent staining-based detection, finding highly heterogeneous distributions ranging from 4 to 1761 MP/L and pronounced temporal fluctuations linked to weather events and changing inputs, with the Rehbach showing the highest mean concentration at 540 ± 476 MP/L.
Study Type
Environmental
Microplastic (MP) contamination in riverine systems poses a growing environmental challenge, and their spatial and temporal variability complicates proper assessments. This study investigated MP concentrations (≥10 µm) across three German rivers using fluorescent staining-based detection. The results reveal highly heterogeneous distributions ranging from 4 to 1761 MP/L. The Rehbach displayed the highest mean MP concentration (540 ± 476 MP/L), whereas the Alb had the lowest (98 ± 54 MP/L). Long-term monitoring underscored pronounced temporal fluctuations linked to changing inputs, weather events, and hydrodynamics. To capture these fluctuations, monitoring campaigns must consider an appropriate temporal sampling framework. Further, to address detection challenges, the study compared 0.5 L grab sampling with 100 L pump sampling (PSU) and observed that the PSU yielded 4.7 times higher MP concentrations with improved reproducibility (27 ± 25% vs. 49 ± 33%). These results highlight the critical need for standardized protocols and scalable, cost-effective methods for reliable MP quantification and hotspot identification in freshwater environments.