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Bioaccessibility of p,p'-DDT and p,p'-DDE in tropical soil ecosystems: a model based on pollutant speciation coefficients and the desorption free energy of adsorbed speciation forms.
Environ Geochem Health
February 2025
Department of Chemistry, Bindura University of Science Education, P. Bag 1020, Bindura, Zimbabwe.
The bioaccessibility of organic pollutants in the environment depends on the nature and speciation of the contaminants and is determined using in vitro methods that simulate gastro-intestinal digestion. The objectives of the present study were to study the bioaccessibility coefficients of p,p'-DDT and p,p'-DDE in tropical soils based on the physico-chemical properties of the contaminant. The behavior of organic contaminants in soil ecosystems is characterized by their speciation and persistence, both of which depend on the extent to which the contaminant adsorbs to particulates in the soil matrix, as revealed in the characteristic persistence curve of the contaminant.
View Article and Find Full Text PDFAssessing insecticide susceptibility of Culex pipiens linnaeus (Diptera: Culicidae) in the Aras River basin: implications for disease control.
BMC Infect Dis
February 2025
Department of Public Health, Sirjan School of Medical Sciences, Sirjan, Iran.
Background: Culex pipiens, the common house mosquito, is the main vector of important medical and veterinary diseases including West Nile fever. This disease is a neglected mosquito-borne disease in Iran, where migratory and resident birds act as the main reservoirs and human and horse act as dead-end hosts of the disease. The Aras River basin is identified as a high-risk area for West Nile fever outbreaks.
View Article and Find Full Text PDFInvestigating the multigenerational effects of DDT residues exposure on dental development in Wistar rats.
Environ Toxicol Pharmacol
March 2025
Department of Orthodontics, University Hospital Bonn, Medical Faculty, Welschnonnenstr, 17, Bonn 53111, Germany. Electronic address:
The pesticide Dichlorodiphenyltrichloroethane (DDT) and its degradation by-products (Dichlorodiphenyldichloroethane-DDD and dichlorodiphenyldichloroethylene-DDE) are health concerns. This study aimed to investigate the impact of multigenerational exposure to traces of DDD and DDE on odontogenesis Wistar rats were allocated in 4 groups over 2 generations (F1 and F2). Water was provided ad libitum throughout the animal's life groups: control - natural water; DDD - 0.
View Article and Find Full Text PDFKnockdown resistance (kdr)-associated organochlorine resistance in mosquito-borne diseases (): A systematic review and meta-analysis.
Heliyon
January 2025
Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: is the vector of a large number of pathogens in humans. Use of insecticides to deal with this vector is the most important way to controlling it. However, in recent decades, resistance to insecticides has been reported in this vector.
View Article and Find Full Text PDFMetabolic resistance to pyrethroids with possible involvement of non-coding ribonucleic acids in Anopheles funestus, the major malaria vector in western Kenya.
BMC Genomics
January 2025
Program in Public Health, College of Health Sciences, University of California, Irvine, California, USA.
Background: The resurgence of Anopheles funestus, a dominant vector of human malaria in western Kenya was partly attributed to insecticide resistance. However, evidence on the molecular basis of pyrethroid resistance in western Kenya is limited. Here, we reported metabolic resistance mechanisms and demonstrated that multiple non-coding Ribonucleic Acids (ncRNAs) could play a potential role in An.
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