Research Topic: photocatalysis

Nanostructured Aerogels for Water Decontamination: Advances, Challenges, and Future Perspectives

Aerogels are ultra-light, ultra-porous materials made mostly of air that can effectively remove toxic pollutants from contaminated water. These materials can absorb heavy metals, oil spills, dyes, and pesticides from water, offering a promising solution to global water contamination problems. Scientists are developing new types of aerogels using sustainable methods to make them more practical and affordable for large-scale water treatment applications in communities worldwide.

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Microplastic pollution in Himalayan lakes: assessment, risks, and sustainable remediation strategies

Plastic particles called microplastics are increasingly polluting Himalayan lakes through tourism, waste, and glacier melting, harming fish and water quality. Scientists are testing various cleanup methods including physical filters, chemical treatments, and microbe-based solutions. Tiny engineered materials under UV light show promise for breaking down plastics in cold mountain environments. Better policies, monitoring, and community action are needed to protect these important freshwater sources.

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Effect of nano-TiO2 size and utilization ratio on the performance of photocatalytic concretes; self-cleaning, fresh, and hardened state properties

Scientists developed a new type of concrete that can clean itself by breaking down pollutants in water using nano-sized titanium dioxide particles and sunlight. The study tested different sizes and amounts of these nanoparticles to find the best combination for removing textile dyes from wastewater. While the larger nanoparticles worked better for photocatalytic cleaning, the smaller ones made the concrete stronger, suggesting a trade-off between cleaning ability and structural durability.

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Biological applications of yttrium oxide nanocomposites synthesized from Aspergillus penicillioides and their potential role in environmental remediation

Researchers used a fungus called Aspergillus penicillioides to create tiny particles of yttrium oxide that can remove dangerous metals like lead and nickel from contaminated water. These particles work like microscopic sponges that grab onto the toxic metals when exposed to UV light. The particles also kill bacteria and fight harmful free radicals, making them useful for both cleaning water and potentially treating infections.

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