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Evaluating the Accumulation of Grain Mercury in Engineered Rice Lines Containing and Genes Under an Organic Mercury-Enriched Condition.
Plants (Basel)
December 2024
State Key Laboratory of Plant Diversity and Specialty Crops, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
Rice is a critical crop for human sustenance worldwide. Food security has increasingly attracted public concerns, particularly due to heavy metal pollution, which adversely impacts crop yield and quality, with cadmium and mercury being the primary culprits. Excessive soil mercury not only hampers rice's growth and development but also leads to a substantial accumulation in grains, posing a significant threat to human health.
View Article and Find Full Text PDFStudy on stabilization of mercury in wastewater and soil by modified coal-based humic acid residue.
Environ Pollut
January 2025
School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, China.
Article Synopsis
- Coal-based humic acid residue (HAS) has potential as a nutrient-rich material for adsorbing harmful substances like mercury (Hg), and a modified version (N-HAS) was created to enhance its adsorption properties.
- N-HAS demonstrated a strong capacity for Hg removal, with a maximum adsorption of 124.20 mg/g and stable performance over multiple cycles, effectively lowering Hg levels in both maize and contaminated soil.
- The study highlighted that using N-HAS led to significant reductions in Hg content in maize kernels (up to 72.09%) and soil (up to 82.80%), with optimal results observed at an application rate of 0.4 kg/m.
Application of active biomonitoring technique for the assessment of air pollution by potentially toxic elements in urban areas in the Kemerovo Region, Russia.
Environ Monit Assess
January 2025
Municipal Budgetary Educational Institution "Lyceum of the City of Yurga", St. Kirova, 7, Yurga, Kemerovo Region, 652055, Russia.
In Kemerovo Region (Kuzbass, Southwest Siberia), there is the largest coal basin in Russia and one of the largest in the world. Active moss biomonitoring was applied to assess the impact of potentially toxic elements on air pollution in five urban areas of the region. In each of the chosen urban regions, the moss bags were exposed in November and December of 2022 at locations with varying degrees of anthropogenic pressure.
View Article and Find Full Text PDFAnalysis of selected nutrients and contaminants in fish oil supplements for dogs.
Top Companion Anim Med
January 2025
Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA 95616 USA.
Fish oil supplements for dogs are used therapeutically for various clinical conditions. However, products may be variable in quality, potency, and stability. The objective of this study was to analyze eleven canine fish oil supplements from two time points (2010 and 2021) for the omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), polychlorinated biphenyl (PCB) arochlors, minerals, and vitamins A and D, and to compare their compositions to label claims.
View Article and Find Full Text PDFDual-mode ratiometric optical sensor for rapid visual detection of Hg with poly(adenine)-assisted silver nanoclusters anchoring on tetrahedral DNA framework.
Mikrochim Acta
January 2025
College of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong, 643000, P.R. China.
Cytosine-rich and poly(adenine)-tailed tetrahedral DNA framework (TDF) is designed as template (A-TDF) for anchoring silver nanoclusters (AgNCs) and igniting the dual-color fluorescence of AgNCs. The resultant DNA-AgNCs simultaneously emits red and green fluorescence, and the quantum yield of red fluorescence is as high as 44.8%.
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