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Ivermectin Toxicokinetics in Rainbow Trout (Oncorhynchus mykiss) following P-glycoprotein Induction
Arch Environ Contam Toxicol. 2023 Dec 16. doi: 10.1007/s00244-023-01045-7. Online ahead of print.ABSTRACTAlterations in ivermectin (IVM, 22,23-dihydro avermectin B1a+22,23-dihydro avermectin B1b) toxicokinetics following P-glycoprotein (P-gp) induction by clotrimazole (CTZ) were examined in rainbow trout (Oncorhynchus mykiss) to assess the potential importance of P-gp activity levels in xenobiotic distribution and kinetics in fish. Control and fish pretreated with CTZ (30 µmol/kg) were administered 175 µg/kg 3H-IVM into the caudal vasculature. At various time points (0.25, 0.5, 1, 3, 24, 48, 96, and 168 h) following inje...
Source: Archives of Environmental Contamination and Toxicology - December 16, 2023 Category: Environmental Health Authors: Vinicius Cavicchioli Azevedo Christina U Johnston Christopher J Kennedy Source Type: research

Annona glabra L. Seeds: An Agricultural Waste Biosorbent for the Eco-Friendly Removal of Methylene Blue
Arch Environ Contam Toxicol. 2023 Dec 8. doi: 10.1007/s00244-023-01044-8. Online ahead of print.ABSTRACTThe seeds of Annona glabra L., an invasive plant in Vietnam, were first employed as a new biosorbent for the adsorption of methylene blue (MB) from aqueous media. The characterizations of the material using FT-IR, SEM, nitrogen adsorption-desorption analysis, and point of zero charge reveals that it possesses a rough and irregular surface, various polar functional groups, and pHpzc of 5.5. Certain adsorption conditions including adsorbent dose, solution pH, contact time, and initial concentration of MB were found to affe...
Source: Archives of Environmental Contamination and Toxicology - December 8, 2023 Category: Environmental Health Authors: Le-Thuy-Thuy-Trang Hoang Hoang-Vinh-Truong Phan Phuong-Nam Nguyen Thanh-Truc Dang Thanh-Nha Tran Duc-Thuong Vo Van-Kieu Nguyen Minh-Trung Dao Source Type: research

Contamination of Soil by Obsolete Pesticide Stockpiles: A Case Study of Derince Province, Turkey
Arch Environ Contam Toxicol. 2023 Dec 8. doi: 10.1007/s00244-023-01043-9. Online ahead of print.ABSTRACTThe areal distributions of the soil organochlorine pesticide (OCP) levels were investigated at adjacent and surrounding sites of the obsolete pesticide stockpile warehouse in Kocaeli, Türkiye. OCP levels in soil at neighboring sampling locations (positioned at 0.4 to 3 km from the stockpile) varied from 0.4 to 9 µg/kg and 4.2 to 2226 µg/kg (dry weight) for ΣHCHs and ΣDDXs, respectively. Levels at adjacent locations (positioned within 20 m from the stockpile) were considerably higher, varying from 74 to 39,619 µg/kg...
Source: Archives of Environmental Contamination and Toxicology - December 8, 2023 Category: Environmental Health Authors: Perihan Binnur Kurt-Karakus Mustafa Odabasi Askin Birgul Baris Yaman Ersan Gunel Yetkin Dumanoglu Liisa Jantunen Source Type: research

Adult Mosquito and Butterfly Exposure to Permethrin and Relative Risk Following ULV Sprays from a Truck-Mounted Sprayer
This study compared the risk of permethrin to adult mosquitoes and adult butterflies to assess the likelihood that the butterflies would be affected following such sprays. Permethrin toxicity values were determined for Aedes aegypti and Culex quinquefasciatus (LD50s of 81.1 and 166.3 ng/g dw, respectively) and then combined with published toxicity data in a species sensitivity distribution for comparison with published permethrin toxicity data for adult butterflies. The sensitivity distributions indicated adult butterflies and mosquitoes are similarly sensitive, meaning relative risk would be a function of exposure. Exposu...
Source: Archives of Environmental Contamination and Toxicology - December 7, 2023 Category: Environmental Health Authors: Timothy A Bargar Yongxing Jiang Source Type: research