The aim of this study was to determine the content of mercury in impacted third molars from Legnica-Głogów Copper Area residents to emphasize the effects of environmental pollution on the human body. A group of 72 patients with an average age of 27.3 ± 6.9 years participated in the study. Within this study, the research group (Legnica-Głogów Copper Area residents) comprised 51 individuals, while the control group (residents of Wrocław) consisted of 21 participants. A higher number of female individuals participated in the research (55). The amount of mercury present in the samples was determined through atomic absorption spectrometry with the use of a SpectraAA atomic absorption spectrometer and a V2 AA240FS flame attachment that utilized an air-acetylene flame. The accumulation of Hg in the teeth of members of the control group residing in Wrocław was studied, with a focus on identifying the risk factors that contribute to this phenomenon. The final model analyzed the presence of various factors, including thyroid and parathyroid gland diseases, cardiac diseases, and interval-scale Vit. D3 concentration. Among these factors, the presence of cardiac diseases was deemed statistically significant in relation to an increase in Hg concentration in third molars (rate ratio = 2.27, < 0.0001). The concentration of mercury increased with the age and time of residence in the L-G Copper District.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10532917 | PMC |
http://dx.doi.org/10.3390/jox13030029 | DOI Listing |
Adv Sci (Weinh)
January 2025
Department of Laboratory Medicine, School of Chemical Science and Engineering, Shanghai Tenth People's Hospital of Tongji University, Tongji University, Shanghai, 200092, P. R. China.
The healing of bacterial biofilm-infected wounds is a complex process, and the construction of emerging therapeutic modalities that regulate the microenvironment to magnify therapeutic effects and reduce biotoxicity is still highly challenging. Herein, an engineered microneedle (MN) patch is reported to mediate the efficient delivery of black phosphorus nanosheets (BP NSs) and copper peroxide nanodots (CP NDs) for dual nanodynamic sterilization and methicillin-resistant staphylococcus aureus (MRSA)-infected wound healing. Results demonstrate that the system can eliminate biofilm, reduce cytotoxicity, promote angiogenesis and tissue regeneration by the multiple advantages of chemodynamic therapy (CDT), enhanced photodynamic therapy (PDT), and improved degradation process from BP NSs to phosphate for promoting cell proliferation.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
January 2025
Shandong University, Department of Chemistry, 27 South Shanda Road, 250100, Jinan, CHINA.
Planar chirality found tremendous use in many fields, such as chemistry, optics, and materials science. In particular, planar chiral [2.2]paracyclophanes (PCPs) are a type of structurally interesting and practically useful chiral compounds bearing unique electronic and photophysical properties and thus have been widely used in π-stacking polymers, organic luminescent materials, and as a valuable toolbox for developing chiral ligands or organocatalysts.
View Article and Find Full Text PDFJ Fluoresc
January 2025
Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, No. 100, Daxue East Road, Nanning, Guangxi, 530004, China.
Two dipicolylamine (DPA) derivatives with the pyrene and anthracene groups, 1-(pyren-1-yl)-N, N-bis-(pyridine-2-ylmethyl)benzylamine (L1) and 1-(anthracen-9-yl)-N, N-bis-(pyridine-2-ylmethyl)benzylamine (L2) were synthesized, characterized, and their affinitive properties for metal ions were studied. The mass spectroscopy and Job's plots showed that L1 and L2 reacted with Cu and formed complexes [Cu(L1)(solvent)] (L1-Cu) and [Cu(L2)(solvent)] (L2-Cu), respectively. Both L1 and L2 were fluorescent probes recognizing Cu via the emission quenching and further detecting HS via the emission revival.
View Article and Find Full Text PDFChemSusChem
January 2025
University of Electronic Science and Technology of China, School of Material and Energy, Qingshuihe Campus:No.2006, Xiyuan Ave, West Hi-Tech Zone, 611731, Chengdu, CHINA.
Modulating the oxidation state of copper (Cu) is crucial for enhancing the electrocatalytic CO2 reduction reaction (CO2RR), particularly for facilitating deep reductions to produce methane (CH4) or multi-carbon (C2+) products. However, Cuδ+ sites are thermodynamically unstable, fluctuating their oxidation states under reaction conditions, which complicates their functionality. Incorporating interfacial metal oxides has emerged as an effective strategy for stabilizing these oxidation states.
View Article and Find Full Text PDFAcc Chem Res
January 2025
State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, and Discipline of Intelligent Instrument and Equipment, Xiamen University, Xiamen 361005, P. R. China.
ConspectusMolecular photoelectrocatalysis, which combines the merits of photocatalysis and organic electrosynthesis, including their green attributes and capacity to offer novel reactivity and selectivity, represents an emerging field in organic chemistry that addresses the growing demands for environmental sustainability and synthetic efficiency. This synergistic approach permits access to a wider range of redox potentials, facilitates redox transformations under gentler electrode potentials, and decreases the use of external harsh redox reagents. Despite these potential advantages, this area did not receive significant attention until 2019, when we and others reported the first examples of modern molecular photoelectrocatalysis.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!