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Micromachines for Microplastics Treatment
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This review summarizes advances in micro- and nanomotor devices for microplastic removal from aquatic environments, describing how these tiny machines can be powered by chemical fuels or light to propel themselves and capture or degrade plastic particles. The authors identify scalability and environmental safety as key challenges for transitioning from laboratory demonstrations to real-world applications.
The increasing accumulation of persistent nondegradable microplastics in the marine environment represents a global environmental problem. Among emerging approaches to tackle microplastics are micro- and nanomotors, tiny devices capable of autonomous propulsion powered by chemical fuels or light. These devices are capable of on-the-fly recognition, capture, and decomposition of pollutants. In the past, various micromotors were designed to efficiently remove and degrade soluble organic pollutants. Current effort is given to the rational design and surface functionalization to achieve micromotors capable of capturing, transporting, and releasing microplastics of different shapes and chemical structures. The catalytic micromotors performing photocatalysis and photo-Fenton chemistry hold great promise for the degradation of most common plastics. In this review, we highlight recent progress in the field of micromotors for microplastics treatment. These tiny self-propelled machines are expected to stimulate a quantum leap in environmental remediation.
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This review examines how micro- and nano-robotic technologies can be used to target and remove microplastic and nanoplastic particles from water. Researchers evaluated the performance of various robotic systems powered by light, magnetic fields, or chemical reactions, and found they show promise for precise pollutant removal at small scales. The study identifies cost-effectiveness and scaling up from laboratory to real-world applications as the main barriers to commercialization.
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This review covers recent developments in chemically powered micro- and nanorobots designed for environmental sensing and pollution cleanup. Researchers describe how these tiny self-propelling machines can detect and capture pollutants including microplastics, heavy metals, and organic contaminants in water. The study highlights the potential of nanorobot technology as an emerging tool for environmental remediation, though challenges in scalability and real-world deployment remain.
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.