Several biochemical parameters connected with energy metabolism were studied in the inhabitants living in the neighbourhood of the Aluminium Smelter and in inhabitants of Chorzów, one of the most polluted towns in the Upper Silesian Industrial Region, chronically exposed to environmental fluorides and other toxic compounds. In people exposed to environmental fluorides excessive excretion of fluorides in urine was noted. This effect was connected with a decrease in urine and erythrocyte magnesium concentrations. Among several biochemical parameters an increase in blood glucose and lactate levels were found, leading to a decrease in blood ATP level. Supplementation of magnesium salts in inhabitants of Skawina caused a normalization of urine magnesium concentration, blood glucose and lactate levels, and increased blood ATP level, but did not diminish fluoride excretion in urine.
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Org Lett
January 2025
Institute of Chemistry, NAWI Graz, University of Graz, Heinrichstrasse 28, 8010 Graz, Austria.
The introduction of fluorine into organic molecules is of the utmost importance in the preparation of active pharmaceutical ingredients (APIs). While a wide range of fluorine sources for organic synthesis have been used over the past decades, the associated safety risks, cost, or environmental impact are still serious limitations. Hexafluorosilicate salts are one of the most inexpensive and readily available sources of nucleophilic fluorine, but they have so far not been used in organic synthesis.
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January 2025
College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China.
Seawater intrusion and human activities have significantly impacted coastal groundwater quality in many regions worldwide. This study systematically assessed groundwater chemistry, its suitability for drinking and irrigation (sample size, n = 3034), and exposure risks (n = 2863) across three key sub-regions of the Bohai Sea area: Bohai Bay, Liaodong Bay, and Laizhou Bay. Significant seasonal variations observed in groundwater chemistry at different depths in Bohai Bay region, with severe contamination from salinity-alkalinity and nitrogen-fluoride.
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January 2025
Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
Correction for 'Photocatalytic membranes based on Cu-NH-MIL-125(Ti) protected by poly(vinylidene fluoride) for high and stable hydrogen production' by Emilia Gontarek-Castro , 2025, https://doi.org/10.1039/d4mh01397b.
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January 2025
Henan Key Laboratory of Environmental and Animal Product Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan 471000, China.
Fluoride, a common agricultural additive used to enhance plant resilience and pest control, poses toxicity risks when exposure surpasses safe thresholds, affecting ecosystems and human health. While its reproductive toxicity is recognized, the sex-specific and cross-generational effects remain underexplored. To address this gap, we employed an integrative approach combining transcriptomics (next-generation sequencing (NGS)), bioinformatic network analysis, gut microbiota sequencing, and functional assays.
View Article and Find Full Text PDFEnviron Sci Technol
January 2025
Department of Civil and Environmental Engineering, Clarkson University, Potsdam, New York 13699, United States.
The nonthermal destruction of aqueous film-forming foam (AFFF) stockpiles, one of the major culprits responsible for water and soil contamination by per- and polyfluoroalkyl substances (PFAS), is extremely challenging because of the coexistence of mixed recalcitrant PFAS and complicated organic matrices at extremely high concentrations. To date, the complete defluorination of undiluted AFFF at ambient conditions has not been demonstrated. This study reports a novel piezoelectric ball milling approach for treating AFFF with a total organic fluorine concentration of 9080 mg/L and total organic carbon of 234 g/L.
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