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Nano/Microplastics Capture and Degradation by Autonomous Nano/Microrobots: A Perspective
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This perspective article explores how tiny self-propelled nano- and microrobots could be used to capture and break down microplastic and nanoplastic particles in water. Researchers reviewed recent advances showing these autonomous robots can efficiently collect plastic particles through enhanced physical interactions as they move through contaminated water. The technology represents a promising but still early-stage approach to actively cleaning up plastic pollution at scales too small for conventional methods.
Abstract The growing use of plastic materials has led to the continuous accumulation of wastes in marine environments, which fragment into hazardous micro‐and nanoplastics. These plastic particles absorb toxic organic pollutants on their surface, support bacterial biofilms growth, and propagate through the food chain, posing serious risks for human health. Therefore, nano/microplastics pollution has become a global issue, making their definitive elimination compulsory. Self‐propelled nano/microrobots have demonstrated efficient removal of nano/microplastics from water, combining enhanced physicochemical properties of nano/microscale materials and active motion. During the last year, the potential of this technology to degrade nano/microplastics has been investigated. Here, the most advanced strategies for nano/microplastics capture and subsequent degradation by autonomous nano/microrobots are critically reviewed. A short introduction to the main propulsion mechanisms and experimental techniques for studying nano/microplastics degradation is also provided. Forthcoming challenges in this research field are discussed proactively. This perspective inspires future nano/microrobotic designs and approaches for water purification from nano/microplastics and other emerging pollutants.
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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.