therapeutic action: soil decontamination

Efficacy of Indigenous Bacteria in the Biodegradation of Hydrocarbons Isolated from Agricultural Soils in Huamachuco, Peru

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Researchers in Peru identified four types of bacteria from agricultural soil that can break down diesel and other hydrocarbon pollutants. One strain, Pseudomonas protegens, was particularly effective, removing over 91% of hydrocarbons in 10 days. This discovery offers a natural, cost-effective way to clean contaminated soil without using harsh chemicals, which could help protect both human health and the environment.

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Potential biodegradation of polycyclic aromatic hydrocarbons (PAHs) and petroleum hydrocarbons by indigenous fungi recovered from crude oil-contaminated soil in Iran

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Scientists isolated fungi from oil-contaminated soil in Iran to find species that can break down petroleum pollutants. Two fungi species, Alternaria tenuissima and Epicoccum nigrum, showed exceptional ability to degrade harmful oil compounds called PAHs. When applied to contaminated soil in the laboratory, these fungi successfully eliminated over 70% of the long-chain hydrocarbons. This research offers a natural and cost-effective way to clean up oil-spilled soil without using harsh chemicals.

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Bioremediation of High-Concentration Heavy Metal-Contaminated Soil by Combined Use of Acidithiobacillus ferrooxidans and Fe3O4–GO Anodes

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Researchers developed a new system to clean soil contaminated with toxic heavy metals like lead, cadmium, and chromium from electronic waste recycling areas. The system combines special bacteria with magnetized graphene-based electrodes that work together to remove up to 89% of zinc and other metals from polluted soil. This approach is more energy-efficient and environmentally friendly than traditional cleaning methods, offering hope for restoring contaminated sites.

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