0
Article Tier 2 Detection Methods Marine & Wildlife Sign in to save

Polyethylene Identification in Ocean Water Samples by Means of 50 keV Energy Electron Beam

AI summary Read the abstract

Researchers developed a new methodology using 50 keV electron beam irradiation to detect trace amounts of polyethylene microplastics in ocean water samples. The technique analyzes photon flux spectra to reveal the presence of plastic contamination at low concentrations.

Polymers
Study Type Environmental

This study presents a new methodology to reveal traces of polyethylene (the most common microplastic particles, known as a structure of C2H4) in a sample of ocean water by the irradiation of a 50 keV, 1 µA electron beam. This is performed by analyzing the photon (produced by the electrons in water) fluxes and spectra (i.e., fluxes as a function of photon energy) with different types of contaminated water using an adequate device and in particular looking at the peculiar interactions of electrons/photons with the potential abnormal atomic hydrogen (H), oxygen (O), carbon (C), and phosphorus (P) compositions present in the water, as a function of living and nonliving organic organisms with PO4 group RNA/DNA strands in a cluster configuration through a volumetric cells grid.

More Papers Like This

Article Tier 2

Polyethylene Identification in Ocean Water Samples by Means of 50 Kev Energy Electron Beam

AI summary Read the abstract

This study demonstrated a new electron beam methodology for detecting trace polyethylene microplastics in ocean water samples. The approach uses 50 keV electrons to analyze photon spectra and detect characteristic signals from plastic contamination at low concentrations.

Article Tier 2

A trial application of particle-induced X-ray emission analysis to microplastic samples collected from the seashore

AI summary Read the abstract

Researchers applied particle-induced X-ray emission analysis to characterize elemental composition of microplastic grain samples collected from Japanese beaches. The technique revealed trace metal contamination on microplastic surfaces, demonstrating the ability of plastic particles to accumulate environmental pollutants.

Article Tier 2

Insights into Plastic Degradation Processes in Marine Environment by X-ray Photoelectron Spectroscopy Study

AI summary Read the abstract

Researchers used X-ray photoelectron spectroscopy to analyze how polystyrene and polyethylene plastics break down under UV radiation in fresh and marine water. They found that UV exposure caused surface oxidation and chemical changes that weaken the plastic structure, ultimately leading to fragmentation into smaller particles. The study provides detailed insight into the chemical mechanisms that turn larger plastic debris into microplastics in ocean environments.

Article Tier 2

Spectral analysis of environmental microplastic polyethylene (PE) using average spectra

AI summary Read the abstract

Researchers analyzed the spectral properties of polyethylene microplastics collected from Tokyo Bay's surface waters. The study found that the shape, color, and weathering history of microplastic particles all affect their spectral signatures, and suggests that using oxidized polyethylene as a reference standard may improve the accuracy of identifying environmental microplastics.

Article Tier 2

The marine nano- and microplastics characterisation by SEM-EDX: The potential of the method in comparison with various physical and chemical approaches

AI summary Read the abstract

Scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX) was evaluated as a method for characterizing marine micro- and nanoplastics, and compared with optical, spectroscopic, and chemical approaches. The study finds that SEM-EDX offers complementary information on particle morphology and surface chemistry that aids in identifying plastic particles at small sizes.

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.

Email me about

Share this paper