biosorption – Page 3

Bioremediation of Landfill Leachate with Fungi: Autochthonous vs. Allochthonous Strains

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This research compared two approaches to cleaning landfill leachate using fungi: using fungi naturally found in the polluted water versus using well-studied fungi species from laboratory collections. Scientists tested how effectively these fungi could remove color and toxins from contaminated wastewater. The study found that both types of fungi worked reasonably well, but through different mechanisms—some fungi absorbed the pollutants while others chemically broke them down using special enzymes.

Investigation of the simulated microgravity impact on heavy metal biosorption by Saccharomyces cerevisiae

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This research shows that yeast commonly used in bread and beer production can absorb dangerous heavy metals from water, and this ability is even stronger in simulated weightlessness conditions. The metal-yeast complexes remain stable as they pass through the digestive system, making them safe for astronauts and potentially useful for cleaning contaminated drinking water in the food and beverage industry.

Microbial communities in petroleum refinery effluents and their complex functions

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Oil refineries produce large amounts of wastewater containing harmful petroleum products and heavy metals. Instead of using toxic chemical treatments, scientists are discovering that microorganisms naturally found in this wastewater—including bacteria, fungi, algae, and yeast—can break down these pollutants safely and effectively. These microbes can degrade oil hydrocarbons, remove heavy metals, and produce natural surfactants that help in the cleanup process, offering an environmentally friendly and cost-effective solution to refinery pollution.

Biosorption of cesium and strontium from aqueous solution by Aspergillus flavus biomass

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This research demonstrates that dead fungal biomass from Aspergillus flavus can effectively remove radioactive cesium and strontium from contaminated water, offering an affordable and environmentally friendly alternative to traditional treatment methods. The fungus shows excellent ability to capture strontium ions (90% removal) and can be reused multiple times by treating it with nitric acid. This finding is particularly relevant following nuclear accidents like Fukushima and provides a sustainable solution for treating radioactive wastewater from nuclear facilities.

Characterization of the Enzymatic and Biosorption Processes Involved in the Decolorization of Remazol Brilliant Blue R Dye by Pleurotus ostreatus Pellets

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Researchers used oyster mushroom (Pleurotus ostreatus) pellets to remove toxic blue dye commonly found in textile wastewater. The study found that these mushroom pellets achieved 98.5% dye removal through multiple mechanisms: special enzymes (laccase and peroxidase) that break down the dye molecules, and physical absorption where the dye sticks to the mushroom cells. The mushroom could also use the dye as a food source, making this an effective and sustainable approach for cleaning industrial wastewater.

Diversity and Ecology of Fungi from Underexplored and Extreme Environments

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This editorial introduces a special issue on fungi that survive in harsh environments like deserts, salty water, polar regions, and polluted sites. Scientists are discovering that these remarkable fungi can help clean up contaminated soil, support plant growth under stress, and may have pharmaceutical uses. The research brings together classical mycology with modern genetic techniques to unlock the untapped potential of these extreme-environment fungi.

Impact of Interactions Between Zn(II) and Selenites in an Aquatic Environment on the Accumulation of Se and Zn in a Fungal Cell

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Researchers studied how Shiitake mushrooms accumulate selenium and zinc from growth media, finding that these two elements form chemical complexes that interfere with absorption. When both elements are present together in the culture medium, they bind to each other instead of being taken up by the mushroom cells, reducing the final content of both nutrients. Understanding this interaction is important for developing enhanced mushroom-based dietary supplements containing both selenium and zinc.

Pb immobilization by phosphate-solubilizing fungi and fluorapatite under different Mn2+ concentrations

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Researchers studied how two types of beneficial fungi (Aspergillus niger and Penicillium chrysogenum) can remove dangerous lead contamination from environments. By adding the mineral fluorapatite and controlling the level of manganese in the growth medium, they found that Aspergillus niger was much more effective at capturing and permanently locking up lead particles, preventing them from leaching back into the environment. The optimal amount of manganese (7.5 mg/L) significantly boosted the fungi’s production of organic acids that capture lead, making this an environmentally friendly solution for cleaning polluted sites.

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

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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.

Characterization of the Enzymatic and Biosorption Processes Involved in the Decolorization of Remazol Brilliant Blue R Dye by Pleurotus ostreatus Pellets

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This research demonstrates how oyster mushroom pellets can effectively remove harmful synthetic dyes from industrial wastewater through a combination of chemical absorption and enzymatic breakdown. The fungus produces specialized enzymes that degrade the complex dye molecules while also physically absorbing dye particles. This biological approach offers a promising, sustainable alternative to traditional chemical wastewater treatment methods used in the textile industry.

Research Keyword: biosorption