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Removal of Contaminants from Water.
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This study prepared microplastic samples by abrading common plastics including PS, PTFE, PA, PET, PE, and others to simulate environmental microplastic particles, then characterized them using SEM, Raman, and IR spectroscopy. The resulting fingerprint library supports standardized characterization of real environmental microplastics.
This study deals with commonly used plastics; polystyrene (PS), polytetrafluorethylene (PTFE), polyamide (PA), polyethylene glycol terephthalate (PET), polyethylene (PE), etc. Microplastic samples were prepared by abrasion from commonly available plastics to simulate real microplastic occurrence in the environment. Prepared samples were characterized by scanning electron microscopy (SEM), Raman spectroscopy and infrared spectroscopy (IR) to obtain their fingerprints. These characteristics can be applied as standards for characterization of real microplastics.
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What happens to microplastics in nature
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Researchers characterized microplastic contamination in the liver, kidney, and gills of wild freshwater turtles from a heavily polluted river, finding particles predominantly in liver tissue. Polymer types included polyethylene, polypropylene, and nylon, consistent with the range of plastics found in the surrounding aquatic environment, and liver histopathology showed signs of chronic inflammation.
Microplastics and their removal from water using sorbents.
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This Czech study characterized five common microplastic polymer types using SEM, Raman, and infrared spectroscopy, then tested natural bentonite- and zeolite-based sorbents for microplastic removal from water. Results confirmed that sorbent effectiveness depends on composition and textural properties, with modification of sorbents able to improve removal efficiency.
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This Brazilian study evaluated the efficiency of FTIR spectroscopy, Raman spectroscopy, carbon elemental analysis coupled with mass spectrometry, and scanning electron microscopy with energy dispersive X-ray spectrometry for characterizing virgin and artificially aged polyethylene and polypropylene microplastics. The work discusses the strengths and limitations of each technique for detailed chemical characterization, including assessment of degradation stage, to inform standardized analytical protocols for environmental microplastic samples.
Strategies for environmental polymer analysis: micro-/nanoplastics and water-soluble polymers
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A comprehensive review of analytical strategies for environmental polymer detection—covering mass spectrometry, infrared, Raman, and fluorescence spectroscopy—highlights the strengths and limitations of each method for quantifying micro- and nanoplastics as well as water-soluble polymers. Advancing robust, standardized analytical platforms is fundamental to accurately measuring microplastic contamination across environmental matrices and human health studies.
Analysis and Prevention of Microplastics Pollution in Water: Current Perspectives and Future Directions
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This review surveyed current and emerging analytical methods for characterizing microplastics in water, covering Raman and FTIR spectroscopy, pyrolysis-GC/MS, and various microscopy approaches, and discussed prevention strategies including wastewater treatment, policy measures, and product redesign. The authors identify chemical identification of MP type as a persistent analytical challenge limiting progress in MP removal and regulation.
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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.