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Multi-Site Validation Across the United States: Real-World Testing of a Portable Microplastic/Nanoplastic Water Assay
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Researchers validated a portable optical field assay for microplastic and nanoplastic detection across five U.S. cities with distinct water chemistries, confirming reproducible optical signatures in all tested matrices including coastal saltwater, supporting its use as a scalable decentralized monitoring tool.
The EcoExposure™ portable optical assay was evaluated across five geographically and hydrogeologically distinct U.S. locations: Cincinnati (OH), Milwaukee (WI), St. Louis (MO), Denver (CO), and San Francisco (CA). These sites represent a wide range of source-water types, municipal treatment systems, climates, elevations, and ionic compositions. In addition, separate validation was conducted in San Francisco Bay coastal saltwater. The assay produced clear, interpretable optical signatures in all tap-water and environmental freshwater matrices tested, demonstrating robustness across real-world conditions. These results provide strong empirical support for the platform’s suitability for distributed, decentralized deployment anywhere in the United States.
More Papers Like This
Multi-Site Validation Across the United States: Real-World Testing of a Portable Microplastic/Nanoplastic Water Assay
AI summary Read the abstract
Researchers validated the EcoExposure portable optical assay for microplastics and nanoplastics across five geographically diverse U.S. cities and San Francisco Bay coastal water, confirming consistent detection performance across varying source-water types, ionic compositions, and treatment systems in real-world field conditions.
Field Validation of a Portable Zero-Shear Optical Interaction Assay for Microplastic–Nanoplastic Detection in Coastal (High Salinity) Water Under Uncontrolled Conditions: San Francisco Bay (April 2026)
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Researchers validated a portable optical assay for microplastic and nanoplastic detection directly in San Francisco Bay coastal water, showing that the time-dependent structural patterns it produces are reproducible across replicate field samples without controlled lighting or sample preparation — supporting its use for decentralized environmental monitoring.
Field Validation of a Portable Zero-Shear Optical Interaction Assay for Microplastic–Nanoplastic Detection in Coastal (High Salinity) Water Under Uncontrolled Conditions: San Francisco Bay (April 2026)
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Researchers field-validated a portable, equipment-free optical assay for detecting microplastics and nanoplastics in San Francisco Bay coastal water, showing that replicate samples produce consistent, time-dependent optical patterns driven by intrinsic particle interaction dynamics rather than controlled laboratory conditions.
Field-Portable Microplastic Sensing in Aqueous Environments: A Perspective on Emerging Techniques
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This review examines emerging field-portable technologies for detecting and quantifying microplastics in aqueous environments, discussing optical, spectroscopic, and electrochemical sensing approaches. Researchers identify the lack of a standardized, rapid on-site method as the primary bottleneck limiting accurate real-world microplastic monitoring.
Portable On-Site Optical Detection and Quantification of Microplastics
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Researchers built a portable, on-site optical device to detect and quantify microplastics in water. The device addresses the challenge of detecting small, often translucent particles without a laboratory setting. Portable microplastic detection tools could enable real-time monitoring in the field, supporting faster environmental assessments.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.