Disease: arsenic toxicity

Dosage of Sulfidized Nano Zero-Valent Iron, Soil Moisture and pH Influences on Fraction of Arsenic and Cadmium in Contaminated Paddy Soil

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This study examines using tiny iron particles coated with sulfur to clean rice paddy soils contaminated with arsenic and cadmium. The researchers tested different amounts of this material, soil moisture levels, and soil acidity to find the best conditions for trapping these harmful metals in the soil so rice plants cannot absorb them. They found that using a moderate amount of the material works best and that keeping the soil wet helps prevent the metals from becoming available to plants.

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Molecular mechanisms of metal toxicity and transcriptional/post-transcriptional regulation in plant model systems

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Plants face serious damage from heavy metals like cadmium, arsenic, and chromium in contaminated soils and water. Scientists are discovering how plants defend themselves through changes in gene expression, special proteins that trap metals, and modifications to their DNA that control stress response genes. Understanding these natural defense mechanisms could help us develop crops that survive in polluted environments and remove heavy metals from contaminated areas, making food safer and protecting human health.

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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.

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The Role of Plant Extracts in Enhancing Nutrition and Health for Dogs and Cats: Safety, Benefits, and Applications

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This review examines how plant-based supplements like tea extracts, curcumin, and quercetin can improve the health of pet dogs and cats. These natural compounds act as antioxidants and anti-inflammatory agents, supporting gut health, immune function, and overall wellness in companion animals. While generally safe when properly dosed, cats and dogs metabolize these compounds differently, requiring species-specific dosing strategies to maximize benefits and minimize risks.

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Arsenic Stress Resistance in the Endophytic Fungus Cladosporium cladosporioides: Physiological and Transcriptomic Insights into Heavy Metal Detoxification

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A special fungus called Cladosporium cladosporioides, found living inside the roots of Gentiana yunnanensis (a traditional Chinese medicine herb), can tolerate extremely high levels of arsenic. Researchers discovered that this fungus protects itself from arsenic poisoning by storing arsenic mostly in its cell walls, converting toxic arsenic into less harmful forms, and activating its antioxidant defense systems. This discovery could help reduce arsenic contamination in medicinal herbs and lead to new methods for cleaning arsenic-polluted soil.

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