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Occurrence and Characterization of Small Microplastics (<100 µm), and Microlitter in Seawater: the Venice Lagoon as a Case Study
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Researchers characterized small microplastics smaller than 100 micrometers and microlitter in water samples from the Venice Lagoon, finding widespread contamination by tiny plastic particles. The study addresses the analytical challenge of detecting and quantifying these sub-100-micrometer particles in seawater.
How small can microplastics be? Plastics particles and fibers In 2019 the European Chemical Agency [3] has clearly defined microplastics and their sizes: "a material composed of solid polymer-containing particles, to which additives or other substances may have been added, with particle dimensions ranging from 1 nm to 5 mm and with fiber lengths ranging from 3 nm to 15 mm and length to diameter ratio of >3. ECHA has also firmly stated the need of polymer identification when analyzing microplastics.
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Assessing Microplastics and Nanoparticles in the Surface Seawater of Venice Lagoon—Part I: Methodology of Research
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Researchers sampled surface seawater in the Venice Lagoon to quantify microplastics and nanoparticles, finding widespread contamination dominated by fibres and film fragments in the micro range alongside metal-containing nanoparticles. The proximity to urban and industrial sources correlated with higher particle concentrations, illustrating the Lagoon as a significant sink for anthropogenic particles.
Micro- and mesoplastics in sea surface water from a Northern Adriatic coastal area
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Researchers collected plastic particles from two sea surface monitoring transects near the Venice Lagoon using a manta net and characterized them by typology, dimension, color, spatial density, and chemical composition using a multi-technique analytical approach. They identified distinct subgroups of plastic micro-debris in this Northern Adriatic coastal area and documented the widespread presence of polymeric materials in surface seawater.
Floating plastics in Adriatic waters (Mediterranean Sea): From the macro- to the micro-scale
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Researchers quantified macro- and microplastics across the Adriatic Sea from populated gulfs and river outlets to offshore waters in five countries, finding widespread plastic contamination including small-sized fragments and demonstrating that small vessels enable detection of plastic size fractions missed by standard surveys.
Marine microplastics - Method development for detection of plastic particles from sea water down to 10 μm
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Researchers developed and tested methods to detect plastic particles down to 10 micrometers from seawater samples, addressing a key technical challenge in microplastic research. Better analytical methods that can detect smaller particles are essential for understanding the full extent of microplastic pollution and its ecological effects.
Floating microplastic distribution in surface water of the Venice Lagoon and its drainage basin (Italy)
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Researchers measured floating microplastic distribution in the Venice Lagoon surface water and assessed exchange fluxes with the Adriatic Sea through tidal channels. The lagoon exported significant quantities of microplastics to the Adriatic during tidal outflow events, acting as a source to the broader marine environment.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.