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Synergistic Effects of Antibiotics and Nanoplastics in Wastewater: A Growing Challenge in Aquatic Ecosystem, Biodiversity and Human Health Protection
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Tiny plastic particles (nanoplastics) and antibiotic residues in wastewater don't just pollute water separately—when combined, they become more toxic and harmful together, and can also help bacteria become resistant to antibiotics. This matters because these contaminants can build up in fish and other food we eat, and our current wastewater treatment plants aren't well-equipped to filter them out. This paper reviews existing research on the problem and calls for better technology and policies to keep these combined pollutants out of our water supply.
The pervasive presence of nanoplastics and antibiotics in wastewater systems presents a dual threat to environmental and public health. Nanoplastics, with particle sizes under 1 μm, have become a major environmental contaminant, primarily due to their durability and potential to absorb harmful chemicals. These particles not only threaten aquatic ecosystems by disrupting microbial communities and harming marine life but also pose risks to human health through bioaccumulation in the food chain. Similarly, antibiotics frequently found in wastewater promote the development of antibiotic-resistant bacteria, further endangering ecological stability and human health. The synergistic effects of nanoplastics and antibiotics exacerbate their impacts, particularly by increasing the bioavailability and toxicity of contaminants in aquatic systems. This paper explores the sources, transport pathways, and combined ecological and health impacts of these pollutants. Additionally, it discusses the limitations of current wastewater treatment technologies in mitigating the effects of nanoplastics and antibiotics and proposes advanced strategies for reducing their environmental footprint. Addressing these contaminants requires a multifaceted approach, integrating technological, regulatory, and community-based solutions to safeguard the ecosystem, biodiversity, and human health.
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The contamination of microplastics and antibiotics in aquaculture wastewater: Their remediation technologies and interaction effects on their removal
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This review paper found that tiny plastic particles (microplastics) and antibiotics in fish farm wastewater interact with each other in ways that make both pollutants harder to remove from water. The plastic bits can soak up antibiotics and change how they break down, while antibiotics can interfere with removing the plastics. This matters because both microplastics and antibiotic pollution can harm human health, so we need better cleanup methods that tackle both problems together.
Combined pollution of tetracyclines and microplastics in the aquatic environment: Insights into the occurrence, interaction mechanisms and effects
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This review examines how microplastics and tetracycline antibiotics interact in water environments, since microplastics can absorb and carry antibiotics on their surfaces. Factors like pH, heavy metals, and organic matter in water influence how tightly antibiotics bind to microplastics, and the combined pollution is more harmful to aquatic life than either pollutant alone. This is relevant to human health because these microplastic-antibiotic combinations can enter drinking water supplies and promote antibiotic resistance.
Ecotoxicological Effects of Microplastics Combined With Antibiotics in the Aquatic Environment: Recent Developments and Prospects
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This review examines how microplastics and antibiotics interact in water environments, finding that microplastics can absorb antibiotics onto their surfaces and carry them over long distances. When aquatic organisms encounter these antibiotic-laden microplastics, the combined toxicity can be worse than either pollutant alone. Microplastics also promote the spread of antibiotic resistance genes, which is a growing public health concern.
Co-occurence of antibiotics and micro(nano)plastics: a systematic review between 2016-2021
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This systematic review examines how microplastics and antibiotics interact in the environment. It finds that microplastics can absorb and carry antibiotics, potentially spreading antibiotic resistance and creating combined health risks that are greater than either pollutant alone.
Synergistic Pollution: Interactions Among Polyethylene, Surfactants, and Antibiotics in an Aquatic Environment
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Researchers investigated synergistic pollution effects among polyethylene microplastics, surfactants, and antibiotics in aquatic systems, finding that co-presence enhanced the environmental persistence and bioavailability of antibiotics beyond what microplastics or surfactants caused individually.
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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.