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Biologically Encapsulating Gold Nanoclusters: Exploring the Bioinspiration Strategy for Preparing Advanced Electrode Materials
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Researchers demonstrated that live wheat plants (Triticum aestivum) can take up and accumulate both gold nanoclusters and nanopolystyrene particles, proposing a bioinspired strategy that exploits plant uptake of environmental nanoparticles to prepare advanced electrode materials for electrochemical applications.
Engineered nanoparticles and nanoplastics have emerged as a category of pollutants that, when present in the environment, could be absorbed and accumulated by plant systems. This study demonstrates a way of using live wheat (Triticum aestivum L.) to take up and collect gold nanoclusters and nanopolystyrene and eliminate them, and the harvested biomass is then processed into carbon compounds for energy storage applications. This methodology not only enables the straightforward encapsulation of gold nanoclusters but also utilizes absorbable nanopolystyrene to create pores during carbonization. The absorbed gold nanoclusters lead to enhanced ionic transport rates across the carbon material and a reduction in resistance. The carbon compounds made have a hierarchical Murray porous structure and a large specific surface area of 1907.08 m2·g-1, which is almost 1.74 times higher than that of the control group. The fabricated electrode materials exhibit a specific capacitance of 461.5 F·g-1 in 6 M KOH at a current density of 0.5 A·g-1. This approach addresses numerous issues associated with other confined metal nanocluster methods and also paves the way for the integration of energy storage and environmental restoration, indicating significant potential for advancement.
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BiologicallyEncapsulating Gold Nanoclusters: Exploringthe Bioinspiration Strategy for Preparing Advanced Electrode Materials
AI summary Read the abstract
Researchers demonstrated that live wheat plants (Triticum aestivum) can absorb and accumulate both gold nanoclusters and nanopolystyrene nanoplastics, showing that plant systems can be exploited as bioinspired collectors of environmental nanoparticles for electrode material fabrication.
Assessing implications of nanoplastics exposure to plants with advanced nanometrology techniques
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Researchers exposed wheat plants to palladium-doped nanoplastics in hydroponic conditions and used advanced imaging techniques to track their uptake. They found that nanoplastics accumulated on root surfaces and were taken up into root tissues, with some translocation to the shoots. The study provides quantitative evidence that nanoplastics can enter the food chain through plant uptake from contaminated growing environments.
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Researchers used nanocarboxylic polystyrene nanoplastics to optimize electrode materials for chromium energy storage applications, taking advantage of nanoplastic surface chemistry to improve electrochemical performance. The study simultaneously developed a method for concentrating nanoplastics from water using electrochemical accumulation, addressing both energy storage and environmental remediation goals.
Advancing Plant Resilience Against Microplastics and Metals Through Nanotechnology
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Researchers reviewed how engineered nanoparticles can enhance plant resilience against microplastic and heavy metal pollution by improving uptake, sequestration, and detoxification processes, while stressing the need for comprehensive environmental impact assessments before large-scale application.
Tracking the uptake of nanoplastics in plants
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Researchers developed a method to track the uptake and transport of plastic nanoparticles in crop plants, as reported in Nature Nanotechnology. The ability to trace nanoplastic movement through edible plants is critical for understanding how microplastics and nanoplastics enter the human food supply through agricultural pathways.
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