biosorption – Page 2

Efficient Copper Biosorption by Rossellomorea sp. ZC255: Strain Characterization, Kinetic–Equilibrium Analysis, and Genomic Perspectives

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Scientists found that a bacterium called Rossellomorea sp. ZC255 can efficiently remove copper pollution from water. The strain works best at neutral pH and room temperature, achieving a removal capacity of 253.4 mg of copper per gram of bacterial biomass. By studying the bacteria’s structure and genes, researchers discovered that the removal happens through both surface binding and internal accumulation mechanisms, making it a promising eco-friendly solution for treating polluted water.

Innovative Approaches and Evolving Strategies in Heavy Metal Bioremediation: Current Limitations and Future Opportunities

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Heavy metals like lead, mercury, and arsenic accumulate in soil and water, harming both ecosystems and human health. Traditional cleanup methods are expensive and harmful to the environment. Scientists are developing biological solutions using microorganisms and special plants that can absorb or break down these toxic metals, combined with genetic engineering and nanotechnology to make the process faster and more effective.

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.

Ni2+ and Cd2+ Biosorption Capacity and Redox-Mediated Toxicity Reduction in Bacterial Strains from Highly Contaminated Soils of Uzbekistan

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Researchers in Uzbekistan discovered three types of bacteria that can remove dangerous heavy metals like cadmium and nickel from contaminated soil. These bacteria work by clinging to the metal particles on their surfaces and even chemically transforming them into less harmful forms. The study found that these bacteria work best at neutral pH and warmer temperatures, making them promising candidates for cleaning up polluted environments naturally and affordably.

Feasibility of the use of Lentinula edodes mycelium in terbinafine remediation

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Scientists tested whether shiitake mushrooms (Lentinula edodes) could remove terbinafine, a common antifungal medication, from contaminated environments. The mushroom mycelium successfully accumulated and broke down the drug into harmless byproducts, with no trace remaining in the surrounding medium. This eco-friendly approach offers a promising alternative to expensive chemical cleanup methods for pharmaceutical 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.

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.

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 Topic: biosorption