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Microplastic contaminant adsorption by graphene oxide layer
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Researchers found that graphene oxide, a carbon-based material, can effectively bind and remove harmful microplastic contaminants like BPA and PET from water through strong molecular interactions. This technology could be developed into filtration systems for large-scale water treatment, helping reduce the amount of microplastic-related chemicals that people are exposed to through drinking water.
The increasing prevalence of microplastics in water sources poses significant threats to both human health and environmental sustainability. Bisphenol A (BPA) and polyethylene terephthalate (PET), two hazardous microplastic contaminants, are known to cause endocrine disruption and other health risks. This study investigates the potential of graphene oxide (GO) as an efficient adsorbent for the removal of these contaminants through detailed molecular interaction analysis. The adsorption efficiencies of GO were quantitatively assessed, demonstrating strong binding affinities of ∆G = - 9.50 kcal/mol for BPA and ∆G = - 6.90 kcal/mol for PET. The adsorption process is primarily governed by π-π stacking interactions between the aromatic structure of the microplastics and the polycyclic surface of GO, with additional contributions from hydrogen bonding and van der Waals forces. Computational simulations revealed consistent binding across specific active sites on the GO surface, indicating minimal variation in adsorption performance. These findings highlight the potential of GO-based filtration systems for large-scale water treatment applications, offering a promising approach to mitigating microplastic contamination and ensuring safer water supplies. These findings highlight the potential of GO-based filtration systems for large-scale water treatment applications, offering a promising approach to mitigating microplastic contamination and ensuring safer water supplies. Future research should focus on optimizing GO-based filtration techniques and exploring their long-term environmental impact.
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The role and significance of graphene oxide in the remediation of micro- and nanoplastics from the environment
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This review examines how graphene oxide, a carbon-based material with a very large surface area, can be used to remove microplastics and nanoplastics from water. Graphene oxide showed impressive removal capacity for polystyrene microplastics through adsorption. The technology could be an important tool for developing more effective water treatment systems that protect people from microplastic contamination.
Carbon-based adsorbents for micro/nano-plastics removal: current advances and perspectives
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Scientists reviewed how carbon-based materials like graphene, activated carbon, and carbon nanotubes can be used to remove micro- and nanoplastics from water. Researchers found that these adsorbents show strong potential for capturing tiny plastic particles thanks to their tunable surface properties and high surface area. The study suggests that carbon-based filtration could become an important technology for cleaning microplastic-contaminated water.
A Review of the Current Research Status of Graphene for the Removal of Microplastics and Antibiotics from Water
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This review assesses the potential of graphene-based materials for microplastic removal from water, evaluating adsorption mechanisms, removal efficiency across particle sizes, and scalability challenges for water treatment applications.
Nanosized Graphene‐Based Hybrid Architectures for Combating Microplastic Pollution From Water: Materials Design, Mechanisms, and Applications
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Microplastics, tiny plastic particles now found in our water, food, and even bodies, are a growing health concern, and this review rounds up research on using graphene (a super-thin, highly absorbent material) to filter them out of water. Scientists are engineering different graphene-based materials that can trap microplastics like a magnet or break them down using light-activated reactions, offering a promising path toward cleaner drinking water. While this paper doesn't test the technology itself, it maps out the most effective strategies so far, bringing us closer to practical solutions for reducing our exposure to these pervasive pollutants.
Synergistic role and performance of graphene oxide–polyvinyl alcohol porous composite membranes for microplastic removal from synthetic wastewater
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Scientists created a new filter membrane using graphene oxide and a common plastic-safe polymer, designed to trap microplastics from water. In tests, it removed over 90% of one common plastic type (HDPE, found in bottles and containers) and up to 78% of another (polystyrene, used in packaging and foam), and it could be reused multiple times while still working fairly well. This matters because microplastics are increasingly found in our drinking water and bodies, and better filtration technology like this could eventually help reduce our exposure to these pollutants — though the filter still needs improvement before it's ready for widespread use.
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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.