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Browsing Research Articles (University of Pretoria) by UP Author "Obida, Muvhulawa"
Now showing items 1-18 of 18
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Koelmel, Jeremy P.; Lin, Elizabeth Z.; DeLay, Kayley; Williams, Antony J.; Zhou, Yakun; Bornman, Maria S. (Riana); Obida, Muvhulawa; Chevrier, Jonathan; Godri Pollitt, Krystal J. (American Chemical Society, 2022-01)Children in low- and middle-income countries are often exposed to higher levels of chemicals and are more vulnerable to the health effects of air pollution. Little is known about the diversity, toxicity, and dynamics of ...
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Coker, Eric; Chevrier, Jonathan; Rauch, Stephen; Bradman, Asa; Obida, Muvhulawa; Crause, Madelein; Bornman, Maria S. (Riana); Eskenazi, Brenda (Elsevier, 2018-04)BACKGROUND : Pregnant women may be co-exposed to multiple insecticides in regions where both pyrethroids and dichlorodiphenyltrichloroethane (DDT) are used for indoor residual spraying (IRS) for malaria control. Despite ...
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Huq, Fahmida; Obida, Muvhulawa; Bornman, Maria S. (Riana); Di Lenardo, Thomas Z.; Chevrier, Jonathan (Elsevier, 2020-06)Dichlorodiphenyl trichloroethane (DDT) is an organochlorine insecticide that is banned internationally except for use as part of Indoor Residual Spraying (IRS) programs to control malaria. Although animal studies show that ...
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Chevrier, Jonathan; Rauch, Stephen; Crause, Madelein; Obida, Muvhulawa; Gaspar, Fraser W.; Bornman, Maria S. (Riana) (Oxford University Press, 2019-01)Although effective in controlling malaria, indoor residual spraying results in elevated exposure to insecticides such as dichlorodiphenyltrichloroethane (DDT) and pyrethroids. These chemicals cross the placenta, but no ...
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Chi, Zhi Hao; Liu, Lan; Zheng, Jingyun; Tian, Lei; Chevrier, Jonathan; Bornman, Maria S. (Riana); Obida, Muvhulawa; Goodyer, Cynthia Gates; Hales, Barbara F.; Bayen, Stéphane (Elsevier, 2024-05)A sensitive modified QuEChERS extraction method was developed to assess the levels of free and conjugated bisphenols (BPs) in human milk collected between 2018 and 2019 from two regions of South Africa (the Limpopo Province ...
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Eskenazi, Brenda; Levine, David I.; Rauch, Stephen; Obida, Muvhulawa; Crause, Madelein; Bornman, Maria S. (Riana); Chevrier, Jonathan (BioMed Central (BMC), 2019-06)BACKGROUND: Indoor residual spraying (IRS), the coating of interior walls of houses with insecticides, is common in malaria-endemic areas. While important in malaria control, IRS potentially exposes residents to harmful ...
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Bornman, Maria S. (Riana); Chevrier, J.; Rauch, S.; Crause, Madelein; Obida, Muvhulawa; Sathyanarayana, S.; Barr, D.B.; Eskenazi, B. (Wiley, 2016-07)Dichlorodiphenyltrichloroethane (DDT) is used for malaria control by 10 countries, nine of which are in Africa. Technical DDT contains various isomers with 65-80% insecticidal p,p'-DDT and 15-21% o,p'-DDT, an estrogenic ...
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Di Lenardo, Thomas Z.; Ward, Brian J.; Pillet, Stephane; Mann, Koren; Bornman, Maria S. (Riana); Obida, Muvhulawa; Chevrier, Jonathan (Elsevier, 2020-01)BACKGROUND : While successes have been achieved in reducing global exposure to lead, few studies have investigated the potential health effects of low-level exposure (e.g. blood lead levels [BLLs] below the CDC reference ...
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An, Sookee; Rauch, Stephen A.; Maphula, Angelina; Obida, Muvhulawa; Kogut, Katherine; Bornman, Maria S. (Riana); Chevrier, Jonathan; Eskenazi, Brenda (Elsevier, 2022-11)BACKGROUND : Half the world's population is at risk for malaria. Indoor residual spraying (IRS) with insecticides has been effective in controlling malaria, yet the potential neurotoxicity of these insecticides is of ...
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Bornman, Maria S. (Riana); Acerini, Carlo L.; Chevrier, Jonathan; Rauch, Stephen A.; Crause, Madelein; Obida, Muvhulawa; Eskenazi, Brenda (Elsevier, 2022-11)Hypospadias is the ectopic opening of the urethra on the penis or scrotum. Exposure to estrogenic and/or anti-androgenic chemicals in utero may play an etiologic role. DDT and the pyrethroids cypermethrin and deltamethrin, ...
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Elsiwi, Basant; Eskenazi, Brenda; Bornman, Maria S. (Riana); Obida, Muvhulawa; Kim, Joanne; Moodie, Erica E.M.; Mann, Koren K.; Chevrier, Jonathan (Elsevier, 2024-02)BACKGROUND : Pyrethroid insecticides use for indoor residual spraying (IRS) in malaria-endemic areas results in high levels of exposure to local populations. Pyrethroids may cause asthma and respiratory allergies but ...
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Eskenazi, Brenda; An, Sookee; Rauch, Stephen A.; Coker, Eric S.; Maphula, Angelina; Obida, Muvhulawa; Crause, Madelein; Kogut, Katherine R.; Bornman, Maria S. (Riana); Chevrier, Jonathan (National Institute of Environmental Health Sciences, 2018-04-06)BACKGROUND : Although indoor residual spraying (IRS) with dichlorodiphenyltrichloroethane (DDT) and pyrethroids effectively controls malaria, it potentially increases human exposure to these insecticides. Previous studies ...
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Prenatal exposure to insecticides and child cardiometabolic risk factors in the VHEMBE birth cohort Kim, Joanne; Yang, Seungmi; Moodie, Erica EM.; Obida, Muvhulawa; Bornman, Maria S. (Riana); Eskenazi, Brenda; Chevrier, Jonathan (Wolters Kluwer Health, 2022-04)BACKGROUND : As part of malaria control programs, many countries spray dichlorodiphenyltrichloroethane (DDT) or pyrethroid insecticides inside dwellings in a practice called indoor residual spraying that results in high ...
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Kim, Joanne; Yang, Seungmi; Moodie, Erica E.M.; Obida, Muvhulawa; Bornman, Maria S. (Riana); Eskenazi, Brenda; Chevrier, Jonathan (Lippincott Williams and Wilkins, 2022-07)BACKGROUND : Dichlorodiphenyltrichloroethane (DDT) or pyrethroid insecticides are sprayed inside dwellings for malaria vector control, resulting in high exposure to millions of people, including pregnant women. These ...
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Fahey, Carolyn A.; Chevrier, Jonathan; Crause, Madelein; Obida, Muvhulawa; Bornman, Maria S. (Riana); Eskenazi, Brenda (Public Library of Science, 2019-09-25)BACKGROUND : Seasonality of food availability, physical activity, and infections commonly occurs within rural communities in low and middle-income countries with distinct rainy seasons. To better understand the ...
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Chevrier, Jonathan; Rauch, Stephen; Obida, Muvhulawa; Crause, Madelein; Bornman, Maria S. (Riana); Eskenazi, Brenda (Elsevier, 2019-10)Indoor Residual Spraying (IRS), the application of insecticides on the inside walls of dwellings, is used by 84 countries for malaria control. Although effective in preventing malaria, this practice results in elevated ...
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Tian, Lei; Zheng, Jingyun; Pineda, Marco; Yargeau, Viviane; Furlong, Daniel; Chevrier, Jonathan; Bornman, Maria S. (Riana); Obida, Muvhulawa; Goodyer, Cindy Gates; Bayen, Stephane (Elsevier, 2022-08)A sensitive method based on ultrasound-assisted liquid extraction coupled with liquid chromatography was applied to screen 18 plastic-related contaminants in 168 food composites (namely fish fillets, chicken breast, canned ...
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Gaspar, Fraser W.; Chevrier, Jonathan; Bornman, Maria S. (Riana); Crause, Madelein; Obida, Muvhulawa; Barr, Dana Boyd; Bradman, Asa; Bouwman, Henk; Eskenazi, Brenda (Elsevier, 2015-12)Although approximately 123 million people may be exposed to high levels of insecticides through the use of indoor residual spraying (IRS) for malaria control, fewstudies exist on indoor insecticide contamination due to ...
Now showing items 1-18 of 18