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Introducing internal allocation factors for assessing aggregate pesticide exposure across multiple pathways and routes.
J Hazard Mater
January 2025
School of Public Health (Shenzhen), Sun Yat-sen University, Guangdong 510275, China. Electronic address:
In the health risk assessment of pesticides, methods for external exposure assessment have been well developed. However, quantifying the contribution of various exposure pathways or routes to internal dose remains challenging. This study introduced the internal allocation factor (IAF) for 319 pesticides to investigate the impact of different exposure pathways and routes on chemical distribution within the human body.
View Article and Find Full Text PDFPerilymph sampling in Mongolian gerbil, technical note and procedure evaluation.
Hear Res
January 2025
CHU Lille, Department of Otology and Neurotology, F-59000 Lille, France; Univ. Lille, France; Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France.
Objective: The aim of this study is to detail and evaluate the surgical procedure for perilymph sampling from the cochlear apex in the Mongolian gerbil.
Design: Perilymph sampling from the cochlear apex was performed one to three time in 12 male gerbils aged 8 to 12 months via the submandibular route. 11 of them were previously implanted with intracochlear implants loaded with dexamethasone and placed in the scala tympani, the 12th was used to collect control samples.
A systematic review on health risks of water pollutants: classification, effects and innovative solutions for conservation.
Toxicol Res (Camb)
February 2025
Department of Animal Sciences, Central University of Himachal Pradesh Shahpur Campus, 176206, Kangra Himachal Pradesh, India.
In this developing era, increased anthropogenic activities result in the contamination of natural resources. Different kinds of pollutants threaten the water quality being crucial for the existence of life. There are different sources and routes through which different kinds of pollutants cause health consequences.
View Article and Find Full Text PDFFood supply toxicants and additives alter the gut microbiota and risk of metabolic disease.
Am J Physiol Endocrinol Metab
January 2025
Department of Biochemistry and Biomedical Sciences.
Metabolic disease is rising along with both global industrialization and the use of new commercial, agricultural, and industrial chemicals and food additives. Exposure to these compounds may contribute to aspects of metabolic disease such as obesity, diabetes, and fatty liver disease. Ingesting compounds in the food supply is a key route of human exposure, resulting in the interaction between toxicants or additives and the intestinal microbiota.
View Article and Find Full Text PDFp-Phenylenediamines and their derived quinones: A review of their environmental fate, human exposure, and biological toxicity.
J Hazard Mater
January 2025
College of Environment and Resources, College of Carbon Neutral, Zhejiang A & F University, Hangzhou 311300, China.
p-Phenylenediamines (PPDs) are widely used as antioxidants in numerous rubber products to prevent or delay oxidation and corrosion. However, their derived quinones (PPD-Qs), generated through reactions with ozone, are ubiquitous in the environment and raise significant health and toxicity concerns. This review summarizes the current state of knowledge on environmental distribution and fate, human exposure, and biological toxicity of PPDs and PPD-Qs, and makes recommendations for future research directions.
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