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The impact of mercury exposure on male reproduction: Mechanistic insights.
J Trace Elem Med Biol
January 2025
Indiana University, Department of Biochemistry and Molecular Biology, Indianapolis, USA. Electronic address:
Mercury is a pervasive environmental toxin with significant negative effects on human health. In occupational settings, incidents such as the Minamata and Niigata disease in Japan and the large-scale methylmercury poisoning in Iraq have highlighted the severe health impacts of mercury exposure. It is widely accepted that all forms of mercury including methylmercury and mercuric chloride have the potential to induce toxic effects in mammals, and there is increasing concern about the impact of environmentally relevant levels of mercury on reproductive functions.
View Article and Find Full Text PDFSingle-Atom Iridium-doped Carbon Dots Nanozyme with High Peroxidase-Like Activity as Colorimetric Sensors for Multimodal Detection of Mercury Ions.
Small
January 2025
Chongqing Key Laboratory of Prevention and Treatment for Occupational Diseases and Poisoning, First Affiliated Hospital of Chongqing Medical and Pharmaceutical College, Chongqing, 400060, China.
Nanozyme-based colorimetric sensors are promising approaches for environmental monitoring, food safety, and medical diagnostics. However, developing novel nanozymes that exhibit high catalytic activity, good dispersion in aqueous solution, high sensitivity, selectivity, and stability is challenging. In this study, for the first time, single-atom iridium-doped carbon dot nanozymes (SA Ir-CDs) are synthesized via a simple in situ pyrolysis process.
View Article and Find Full Text PDFSynthesis, Physicochemical Properties, and Ion Recognition Ability of Azulene-Based Bis-(Thio)Semicarbazone.
Molecules
December 2024
"C. D. Nenitzescu" Institute of Organic and Supramolecular Chemistry, Splaiul Independentei 202B, 060023 Bucharest, Romania.
Azulene-1,3-bis(semicarbazone), , and azulene-1,3-bis(thiosemicarbazone), , were synthesized by the acid-catalyzed condensation reactions of semicarbazide and thiosemicarbazide, respectively, with azulene-1,3-dicarboxaldehyde in stoichiometric amounts. Compounds and were identified by high-resolution mass spectrometry and characterized by IR, H-NMR, C-NMR, and UV-vis spectroscopic techniques. Crystal structure determination of azulene-1,3-bis(thiosemicarbazone) shows that the thiosemicarbazone units exhibit a -closed conformation, with both arms oriented in the same direction and adopting an configuration with respect to the imine linkages.
View Article and Find Full Text PDFLes Cartes Porcelaine of the Mid 19th Century.
J Hist Dent
January 2025
Clinic Director, Cavity Busters Doylestown, Doylestown, PA Adjunct Professor Pediatric Dentistry University of Texas HSC at San Antonio Clinical Professor, Pediatric Dentistry Case Western Reserve School of Dental Medicine.
A unique type of advertising trade card was popular in Europe, mostly Belgium, between 1840 and 1865. These cards were produced with a coating of a white lead substance that gave them a lustrous appearance and feel, resembling porcelain. As attractive as these cards were, producing them oftentimes resulted in lead poisoning for the printers, so few were produced after 1865.
View Article and Find Full Text PDFCongenital goiter in an alpaca (Vicugna pacos) fetus concomitant with brain pathology in the dam: composing the puzzle.
Vet Res Commun
January 2025
Department of Veterinary Medicine, University of Perugia, Via San Costanzo, 4, Perugia, 06126, Italy.
This study describes the congenital goiter in an alpaca (Vicugna pacos) fetus aborted in November 2021 with the clinical and pathological findings in the dam that was found dead on the farm three weeks after a miscarriage. The dam was a black coat alpaca bred in the Netherlands, imported in Italy in January 2021, and housed in a farm of central Italy for breeding purposes. Signalment and clinical data on dam and fetus were collected from the farmer and referring veterinarian.
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