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Papers
16 resultsShowing papers from École Polytechnique
ClearA Synthesis of Global Coastal Ocean Greenhouse Gas Fluxes
This large-scale study measured greenhouse gas exchanges between the coastal ocean and atmosphere, finding that while coastal waters absorb carbon dioxide, they also release nitrous oxide and methane that offset much of that climate benefit. While focused on greenhouse gases rather than microplastics, the study is relevant because climate change and ocean chemistry changes affect how microplastics behave in marine environments. Warming oceans and changing chemistry could influence how microplastics break down and move through the food chain.
Do tidal fluctuations affect microplastics distribution and composition in coastal waters?
This study investigated whether tidal fluctuations affect the distribution and composition of microplastics in megatidal coastal waters. Researchers collected water samples across complete tidal cycles during spring and neap tides, providing insights into how natural hydrodynamic processes influence microplastic transport and concentration patterns.
Fate and impact of nanoplastics in the human digestive environment after oral exposure: A common challenge for toxicology and chemistry
A scalable method to model large suspensions of colloidal phoretic particles with arbitrary shapes
Researchers developed a computationally efficient framework for simulating large numbers of self-propelling microscopic particles that move via chemical gradients, enabling more realistic modeling of collective behavior in synthetic micro-swimmers — relevant for designing drug delivery systems and understanding microorganism movement.
FLUTE: A Python GUI for interactive phasor analysis of FLIM data
FLUTE is a new open-source Python graphical interface for phasor analysis of fluorescence lifetime imaging microscopy (FLIM) data, making the fit-free phasor approach more accessible to researchers. The tool enables interactive analysis without requiring specialized programming skills.
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy
Researchers integrated a microfluidic chip with Raman and infrared spectroscopy to rapidly identify and characterize microplastics in drinking water, reducing analysis time compared to conventional methods.
Classification of Eddy Sea Surface Temperature Signatures Under Cloud Coverage
Researchers developed a deep learning approach to classify mesoscale oceanic eddy signatures in sea surface temperature satellite images, overcoming the challenges posed by complex eddy structures and cloud coverage that corrupts large fractions of imagery.
Microplastic inputs to the Mediterranean Sea during wet and dry seasons: The case of two Lebanese coastal outlets
Sampling of two Lebanese rivers found that microplastic concentrations were far higher in the more urbanized and industrialized river, and that plastic particle loads spiked at the start of the wet season before declining as rain continued—suggesting that seasonal stormwater flushes pulse large amounts of microplastics into the Mediterranean Sea. These results underscore how urban land use and seasonal weather patterns together control the flow of plastic pollution from land to sea.
Obstacle-induced lateral dispersion and nontrivial trapping of flexible fibers settling in a viscous fluid
This paper is not relevant to microplastics; it is a fluid dynamics study investigating how flexible fibers settle in a viscous fluid with obstacles, examining trapping and gliding behaviors relevant to fiber sorting applications.
An innovative approach for microplastic sampling in all surface water bodies using an aquatic drone
Researchers adapted an aquatic drone to sample microplastics in surface water, finding it produced results comparable to the standard Manta net while offering better reproducibility and improved capture of smaller, lighter particles in both river and coastal environments.
A machine learning-based evidence map of ocean-related options for climate change mitigation and adaptation
Researchers trained an AI model to map and classify nearly 44,000 scientific papers on ocean-based strategies for addressing climate change, finding that 80% of research focuses on reducing emissions while far fewer studies address adapting to climate impacts. The analysis also revealed that research effort is heavily concentrated in wealthier nations, despite poorer regions facing the greatest climate risks.
FLUTE: a Python GUI for interactive phasor analysis of FLIM data
Researchers developed FLUTE, a Python graphical user interface for interactive phasor analysis of fluorescence lifetime imaging microscopy (FLIM) data, designed to simplify calibration, phasor plot exploration, and molecular species quantification without requiring curve-fitting. The tool was validated on FLIM datasets including zebrafish embryo autofluorescence, cultured cells, and intact live tissues, making phasor analysis accessible to non-specialist laboratories.
A Review on the Main Antibiotic Drugs Used in Fish Farming: Ecotoxicity, Characterization and Remediation
This review examines antibiotics used in fish farming and their ecotoxicological effects on aquatic ecosystems, noting that pharmaceutical residues accumulate in water and sediments and promote antibiotic-resistant bacteria. Understanding drug fate and effects in aquaculture environments is important for protecting both ecosystem health and the safety of farmed seafood.
Detection of individual insulating entities by electrochemical blocking
This review examines electrochemical blocking as a method for detecting individual insulating particles at ultralow concentrations, including plastic particles, proteins, and bacteria. The technique offers a promising approach for detecting nanoplastics at concentrations too low to measure with conventional spectroscopic methods.
<title>Infrared thermography of fatigue in metals</title>
This is a conference paper or proceeding on infrared thermography as a method for studying fatigue in metals, with limited abstract content available indicating an international conference presentation.