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Papers
17 resultsShowing papers from University of Rio Grande and Rio Grande Community College
ClearNanomaterials' Multigenerational Effects by Single and Joint Exposure in Non‐mammalian Models
This review examines multigenerational effects of nanomaterials, including nanoplastics, studied in non-mammalian models such as nematodes, water fleas, and zebrafish. Researchers found common effects across generations including altered life-history traits, oxidative stress, and transfer of nanomaterials to offspring. The study highlights that co-exposure to nanoplastics alongside other pollutants can produce either synergistic toxicity or alleviating effects depending on the combination.
zero-plastic: AI-assisted Sensing for Microplastic Assessment
Researchers developed the 'zero-plastic' open-source imaging system combining flow microscopy with AI classification for low-cost, real-time microplastic monitoring in water, and integrated it with a digital twin infrastructure for distributed environmental sensing.
Influence of habitat on plastic contamination in three ray species from southern Brazil
Influence of habitat on plastic contamination in three ray species from southern Brazil
Appraisal of Microplastic Degradation in Salt Marsh Ecosystems
The Role of Environmental and Morphological Characteristics in the Distribution of Microplastics Along the Tramandaí River Estuary, Brazil
Microplastic contamination in the Guandu River basin: The water supply reservoir of Rio de Janeiro metropolitan region (Southeastern Brazil)
Researchers characterised the extent and distribution of microplastic contamination throughout the Guandu River basin in Brazil, which supplies drinking water to a major urban area, quantifying MP concentrations and identifying dominant polymer types and morphologies to assess risks to the water supply.
Trajectory, Fate, and Magnitude of Continental Microplastic Loads to the Inner Shelf: A Case Study of the World's Largest Coastal Shallow Lagoon
Glyphosate-based Herbicide (GBH) Causes Damage in Embryo-larval Stages of Zebrafish (Danio Rerio)
Researchers exposed zebrafish (Danio rerio) embryos to glyphosate-based herbicide (GBH) at drinking water-relevant concentrations (250, 500, and 1000 micrograms/L) for 96 hours, evaluating mortality, hatching rate, heart rate, malformations, behavior, and molecular biomarkers. Results showed GBH caused developmental toxicity and behavioral disruption in embryo-larval stages at concentrations relevant to environmental exposure.
Effect of the Age of Garments Used Under Real-Life Conditions on Microfibre Release from Polyester and Cotton Clothing
Could a Future Ocean Acidification Scenario Influence the Photodegradation of Microplastics?
Forensic Assessment of Textile Fibers Using Micro FTIR-ATR Spectroscopy
This study evaluated micro Fourier transform infrared spectroscopy for identifying textile fibers in forensic investigations, finding it can characterize fiber composition even from very small samples. The same technique is widely used for identifying microplastic polymer types in environmental samples.
Long-term cover crops in paddy field increase enzyme activity and carbon stock and enable the system fertilization
This study evaluated the long-term effects of cover crops and no-tillage practices on soil microbial activity, carbon stocks, and irrigated rice productivity in lowland paddy fields. Results showed that sustained cover crop adoption increased enzyme activity and carbon storage compared to fallow-based systems.
Salt Marshes as Final Watershed Fate for Meso- and Microplastic Contamination: A Case Study from Southern Brazil
The Use of Microplastics as a Reliable Chronological Marker of the Anthropocene Onset in Southeastern South America
JOINT RUSSIAN-BRAZILIAN RESEARCH OF THE AMAZON RIVER PLUME DURING THE 52nd CRUISE OF THE R/V “AKADEMIK BORIS PETROV”
This field report describes a joint Russian-Brazilian scientific expedition on the Amazon River plume in 2022, measuring physical and chemical oceanographic parameters at 28 stations. The study contributes to baseline oceanographic data relevant to understanding how large rivers transport nutrients and pollutants including microplastics into the ocean.