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Adverse multigeneration combined effects of nano-sized plastics and mercury on growth and reproduction in a planktonic copepod Pseudodiaptomus annandalei.
Aquat Toxicol
January 2025
School of Public Health, Chongqing Medical University, Chongqing, 401331, China. Electronic address:
Nano-plastics (NPs) and heavy metals have attracted growing scientific attention because of both pollutants' wide distribution and ecotoxicity. However, the long-term combined toxicity of NPs and mercury (Hg) on planktonic copepods, a crucial presence in marine environments, is unknown. Here, our study aimed to investigate the multigenerational phenotypic responses of the planktonic copepod Pseudodiaptomus annandalei to polystyrene NPs (about 50 nm) and Hg (alone or combined) at environmentally realistic concentrations (23 μg/L for NPs and 1 μg/L for Hg), and the underlying molecular mechanisms were explored.
View Article and Find Full Text PDFSalt use patterns and heavy metal urinary excretion.
Front Nutr
January 2025
Clinical Center of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital, Lianyungang, China.
Background: Salt usage patterns have been associated with a risk of multiple diseases; however, their relationship with heavy metal exposure has not been extensively studied.
Methods: This study analyzed survey data from 11,574 NHANES participants. Weighted linear regression models were used to examine the relationship between the type of salt used by participants, the frequency of adding salt at the table, and the frequency of adding regular or seasoned salt to cooking or food preparation, and urinary concentrations of 10 heavy metals.
Is there an association of blood cadmium level with nonmelanoma skin cancer: results from a cross-sectional study.
Front Public Health
January 2025
Department of Burn and Plastic Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China.
Objective: Nonmelanoma skin cancer (NMSC) is a common malignancy that starts in the top layer of the skin. Exposure to heavy metals has been suggested to increase the risk of skin cancer. Cadmium, prevalent in various industries and present in cigarette smoke, has been implicated in potential skin effects in animal studies.
View Article and Find Full Text PDFHigher potential leaching of inorganic and organic additives from biodegradable compared to conventional agricultural plastic mulch film.
J Hazard Mater
January 2025
Organic Geochemistry Unit, School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK; School of Geography, University of Bristol, Bristol BS8 1SS, UK.
Plastic mulch films support global food security, however, their composition and the potential release rates of organic, metal and metalloid co-contaminants remains relatively unknown. This study evaluates the low molecular weight organic additives, metal and metalloid content and leaching from low density polyethylene (LDPE) and biodegradable plastic mulch films. We identified 59 organic additives, and non-intentionally added substances in the new LDPE films (39.
View Article and Find Full Text PDFAnatomical Adaptations of Halophyte Leaves ( [Forsskal] Asch. and L.) in Response to Cement Dust Pollution in Arid Environments.
Life (Basel)
January 2025
Biology Department, College of Science, King Khalid University [KKU], Abha 61413, Saudi Arabia.
This study investigates the anatomical adaptations of leaves from two halophyte species, (Forsskal) Asch. and L., in response to pollutants from a cement factory and human activities.
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