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Studies on the Virucidal Effects of UV-C of 233 nm and 275 nm Wavelengths.
Viruses
December 2024
Institute of Hygiene and Environmental Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Str., 17475 Greifswald, Germany.
Among the physical decontamination methods, treatment with ultraviolet (UV) radiation is a suitable means of preventing viral infections. Mercury vapor lamps (254 nm) used for room decontamination are potentially damaging to human skin (radiation) and harmful to the environment (mercury). Therefore, other UV-C wavelengths (100-280 nm) may be effective for virus inactivation on skin without damaging it, e.
View Article and Find Full Text PDFMercury Levels in the Worldwide Farmed Fish: A Systematic Review.
Biol Trace Elem Res
December 2024
Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), University City, Rio de Janeiro, RJ, 21941-598, Brazil.
Aquaculture, specifically farmed fish, contributes to global aquatic fish stuff production. The present study systematically reviewed mercury levels in farmed fish. One hundred two scientific articles were found in four databases.
View Article and Find Full Text PDFAssessment of environmental chemical contamination and histamine levels in the production of Colatura di Alici di Cetara.
Ital J Food Saf
November 2024
Unit of Food Hygiene, Department of Veterinary Medicine and Animal Production, University of Naples "Federico II".
Article Synopsis
- - The study focuses on analyzing the safety and quality of fish sauce made from fermented anchovies from Salerno, Italy, by examining levels of heavy metals and histamine during different production methods.
- - Researchers measured heavy metals (cadmium, lead, mercury) and polycyclic aromatic hydrocarbons in raw and processed anchovies, with findings showing all levels were below safe limits as set by European legislation.
- - Histamine levels were also assessed, indicating that while the highest concentrations appeared in certain stages, they remained compliant with regulatory standards, emphasizing the necessity of selecting quality raw materials and monitoring production processes.
Revealing mercury species-specific transfer and toxicity mechanisms in placental trophoblasts.
Chemosphere
February 2025
Institute of Molecular Toxicology and Pharmacology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany; Institute of Toxicology and Environmental Hygiene, School of Medicine and Health, Technical University Munich, Munich, Germany.
Environmental mercury (Hg) follows a biogeochemical cycle resulting in a variety of Hg species. Therefore, human exposure to the three Hg species inorganic Hg via crops and air, methyl Hg through fish consumption and ethyl Hg due to the use as antiseptic agent in medical applications is a rising concern. Especially pregnant women and their developing fetus present a vulnerable population.
View Article and Find Full Text PDFGenomic characterization of a clonal emergent Minnesota lineage in Brazil reveals the presence of a novel megaplasmid of resistance and virulence.
Appl Environ Microbiol
November 2024
Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro, Brazil.
Article Synopsis
- * A unique megaplasmid, called pESM, associated with multidrug resistance and virulence has been identified, carrying genes that provide resistance to important antibiotics and enhance tolerance to environmental stressors like mercury.
- * The study reveals that pESM likely contributes to the emergence and spread of Minnesota, which poses significant risks for human and animal infections due to its high virulence and antibiotic resistance.
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