Papers

Reconfigurable Magnetic Liquid Metal Microrobots: A Regenerable Solution for the Capture and Removal of Micro/Nanoplastics

Scientists developed magnetically controlled liquid metal microrobots that can capture and remove micro- and nanoplastics from water. The tiny robots can change shape, be steered with magnets, and be regenerated for reuse, offering a potential new technology for cleaning plastic pollution from water sources before it reaches people.

Laser-Induced MXene-Functionalized Graphene Nanoarchitectonics-Based Microsupercapacitor for Health Monitoring Application

Researchers developed a flexible, wearable energy storage device that can monitor pulse and other body signals in real time. While not directly about microplastics, this type of wearable health technology could eventually be used to track health impacts from environmental exposures. The device achieved high energy density and lasted through thousands of charge cycles, making it practical for long-term health monitoring.

Microplastics and additives in patients with preterm birth: The first evidence of their presence in both human amniotic fluid and placenta

In a first-of-its-kind study, researchers found microplastics and plastic additives in both the amniotic fluid and placentas of women who experienced preterm premature rupture of membranes. Out of 10 patients, 9 had plastic particles in at least one sample, with chlorinated polyethylene being the most common type found. While it is too early to draw conclusions about a causal link to preterm birth, the presence of plastics in the womb environment raises serious concerns.

Magnetically Driven Living Microrobot Swarms for Aquatic Micro- and Nanoplastic Cleanup

Scientists developed tiny magnetically controlled bacterial microrobots that can swarm together to capture and remove micro- and nanoplastics from water. These living robots use natural swimming motion combined with magnetic guidance to collect plastic particles from various commercial products in aquatic environments. This innovative technology could lead to new ways of cleaning up microplastic pollution before it enters drinking water and the food chain.

Co-composting of sewage sludge as an effective technology for the production of substrates with reduced content of pharmaceutical residues

Researchers found that co-composting sewage sludge with other materials effectively reduced pharmaceutical residues and made the resulting product safer for agricultural use. While primarily about drug contamination, this is relevant to microplastics because sewage sludge is a major source of microplastics that enter farmland when used as fertilizer. Understanding how composting changes pollutant levels in sludge could help develop treatment methods that reduce both pharmaceutical and microplastic contamination in agricultural soil.

Intelligent Magnetic Microrobots with Fluorescent Internal Memory for Monitoring Intragastric Acidity

Scientists engineered tiny magnetic microrobots that can navigate through the stomach and monitor acid levels using fluorescent signals that switch on and off based on pH. While not directly related to microplastics, this technology represents an advance in miniature devices that could eventually be used to detect and track microplastic particles inside the human digestive system. The ability to precisely monitor conditions in the gut is relevant to understanding how microplastics behave after ingestion.

Magnetic Microrobot Swarms with Polymeric Hands Catching Bacteria and Microplastics in Water

Scientists developed tiny magnetic robots with polymer coatings that can swarm together and capture both bacteria and microplastics from water. The robots self-assemble into rotating formations when exposed to magnetic fields, effectively sweeping up contaminants as they move. This technology offers a promising new approach for cleaning microplastics from water supplies, which could help reduce human exposure to these pollutants.

On-the-Fly Monitoring of the Capture and Removal of Nanoplastics with Nanorobots

Scientists developed magnetic nanorobots that can capture and remove more than 90% of nanoplastics from water within two hours, along with a simple fluorescent dye method to detect and measure nanoplastic concentrations. Nanoplastics are extremely difficult to detect and remove due to their tiny size, so this dual approach of detection and cleanup is a significant advance. These tools could eventually help reduce nanoplastic contamination in drinking water and protect human health.

Photocatalysis dramatically influences motion of magnetic microrobots: Application to removal of microplastics and dyes

Researchers developed magnetic microrobots with photocatalytic capabilities that can capture and break down microplastics and dyes in water. They discovered that the photocatalysis process itself significantly changes the robots' movement patterns, which must be accounted for in design. This technology represents a promising approach to actively removing microplastic pollution from water environments.

Light‐Powered Self‐Adaptive Mesostructured Microrobots for Simultaneous Microplastics Trapping and Fragmentation via in situ Surface Morphing

Researchers developed light-powered microrobots made from titanium dioxide that can both trap and break down microplastics in water. These tiny robots use sunlight to change their surface shape, catching microplastic particles and then fragmenting them through photocatalytic reactions. This innovative technology could offer a practical way to clean microplastic pollution from water sources.

MICROPLASTIC: FROM marine pollution to the human food chain

Plastic degradation in aquatic environments: a review of challenges and the need for standardized experimental approaches

This review analyzed over 100 studies on how plastics degrade in aquatic environments and found that experimental approaches vary widely, making it difficult to compare results across research groups. Researchers identified key inconsistencies in how degradation conditions, measurement techniques, and reporting standards are applied. The study calls for standardized experimental protocols so the scientific community can more reliably predict how plastic waste breaks down into microplastics in real-world water systems.

Photoreforming for microplastics recycling: A critical review

Precision Engineering of Nanorobots: Toward Single Atom Decoration and Defect Control for Enhanced Microplastic Capture

Researchers engineered tiny self-propelled nanorobots by decorating titanium dioxide nanotubes with single platinum atoms and tested their ability to capture microplastics from water. The precise placement of individual atoms on the nanorobot surface significantly enhanced their movement speed and microplastic capture efficiency. The study demonstrates a cutting-edge nanotechnology approach that could eventually be used to remove microplastic pollution from water at very small scales.

Reconfigurable self-assembly of photocatalytic magnetic microrobots for water purification

Researchers built tiny magnetic-photocatalytic robots made of iron oxide coated with titanium dioxide that self-assemble into clusters under light and can be steered by magnets to degrade persistent pollutants in water. In tests, these microrobots rapidly broke down a common herbicide, and the approach may eventually be applied to destroying microplastics in water.

Plastic Pollution in Paradise: Analyzing Plastic Litter on Malta’s Beaches and Assessing the Release of Potentially Toxic Elements

Researchers surveyed plastic litter on two beaches in Malta and found that microplastics were the dominant form of pollution, with polyethylene and polypropylene being the most common plastic types. The beach more frequented by tourists had nearly twice the plastic pollution of the less visited beach. The study also found that plastics from the busier beach carried significantly higher concentrations of potentially toxic metals like manganese.

Microplastic contamination in Czech drinking water: insights from comprehensive monitoring

Researchers analyzed drinking water from public supply systems across the Czech Republic and found microplastics in nearly all samples, with concentrations ranging from 20 to 180 particles per liter. The most common types were polyethylene-coated paper, PET, and polyester, appearing as both fibers and fragments. The estimated daily intake of microplastics through drinking water was approximately 2 particles per kilogram of body weight per day, though all results fell under European food safety thresholds.

Biohybrid Magnetically Driven Microrobots for Sustainable Removal of Micro/Nanoplastics from the Aquatic Environment

Researchers developed biohybrid microrobots by coating biological cells with magnetic iron oxide nanoparticles, enabling them to capture and remove micro- and nanoplastics from water using magnetic steering. The microrobots effectively captured plastic particles through electrostatic interactions and could be collected with a magnet after use. The study presents an innovative and sustainable approach to cleaning up plastic pollution in aquatic environments.

Impact of Polyethylene Terephthalate Microplastics on Aerobic Granular Sludge Structure and EPS Composition in Wastewater Treatment

Researchers investigated how PET microplastics affect the structure and function of aerobic granular sludge used in wastewater treatment. Higher microplastic concentrations led to changes in granule size, altered the composition of extracellular polymeric substances, and shifted microbial community structure. The findings suggest that microplastic contamination in wastewater could compromise the stability and efficiency of biological treatment processes.

Environment changes everything. How relevant are laboratory studies of sorption of pollutants on microplastics? A critical review

This review found that laboratory studies on how microplastics absorb pollutants often fail to reflect real-world conditions, since they typically use pristine plastic particles under controlled settings. Factors like biofilm growth, weathering, and plastic additives significantly change how microplastics interact with contaminants in natural waters. The authors call for more environmentally realistic experiments to better understand how microplastics transport pollutants in aquatic ecosystems.

Mechanistic insights into Thallium mobility through microplastics: Environmental fate and risks – a review

This review explores how microplastics may serve as environmental carriers for thallium, a highly toxic and persistent heavy metal. Researchers examined the factors influencing thallium adsorption onto microplastics, including pH, salinity, and the physical properties of both the plastics and the metal. The study identifies critical gaps in understanding these interactions and calls for further research to inform environmental protection strategies.

Reconfigurable Self‐Assembling Photocatalytic Magnetic Liquid Metal Microrobot Swarm for Microplastic Capture and Degradation

Researchers developed reconfigurable liquid metal microrobots made from bio-friendly gallium-based materials that can self-assemble into swarms to capture microplastics through electrostatic interactions. The microrobots can be regenerated using ultrasonic treatment for repeated use without losing efficiency. The study presents a potentially sustainable and adaptable solution for microplastic removal from aquatic environments.

Magnetically boosted 1D photoactive microswarm for COVID-19 face mask disruption

Researchers developed magnetically powered microswarms that can degrade COVID-19 face masks into smaller fragments, offering a potential approach to breaking down pandemic-related plastic waste that would otherwise persist in the environment as microplastics.

Disparities in Methods Used to Determine Microplastics in the Aquatic Environment: A Review of Legislation, Sampling Process and Instrumental Analysis

This review examined the wide disparities in sampling, processing, and analytical methods used across microplastic studies, highlighting how inconsistent approaches make it difficult to compare results and calling for standardized international protocols and regulatory frameworks.