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Investigation of Urinary Metabolites of Organophosphate Esters in Hanoi, Vietnam: Assessment Exposure and Estimated Daily Intake
In this study, three metabolites of OPEs including bis(1,3-dichloro-2-propyl) phosphate (BDCIPP), diphenyl phosphate (DPhP) and diethyl phosphate (DEP) were investigated in first-morning void urine samples taken from a population (age range: 3-76 years old) in Hanoi, Vietnam. The most dominant urinary OPE metabolite was DEP with the geometric mean of specific gravity adjust (SG-adjusted) concentration were 1960 ng mL-1 and detected frequency (DF) of 98%. Followed by DPhP (8.01 ng mL-1, DF: 100%) and BDCIPP (2.18 ng mL-1, DF: 51%). The results indicated that gender and age might have associations with the OPE metabolites va...
Source: Archives of Environmental Contamination and Toxicology - April 25, 2024 Category: Environmental Health Authors: Ha Thu Trinh Dung Anh Truong Hanh Thi Duong Thuy Minh Bui Minh Tue Thi Hoang Phuong Thu Thi Nguyen Cuc Thi Dinh Tuyen Van Nguyen Lan Thu Thi Tran Nga Thanh Thi Nguyen Giang Truong Le Source Type: research

Decline in the Conception Rate of Wild Japanese Monkeys after the Fukushima Daiichi Nuclear Power Plant Accident
We examined the conception rate of wild Japanese monkeys (Macaca fuscata) in Fukushima City that were exposed to radiation as a result of the Fukushima Daiichi Nuclear Power Plant accident in March 2011. The conception rate in the year of delivery from 2009 to 2022 was estimated by dissecting individuals that were euthanized by the government for population control as a countermeasure against crop damage. To evaluate the effects of exposure, the cumulative exposure dose for each individual was calculated using the concentration of radiocesium deposited in the soil at the capture site and the concentration of radiocesium in...
Source: Archives of Environmental Contamination and Toxicology - April 25, 2024 Category: Environmental Health Authors: Shin-Ichi Hayama Setsuko Nakanishi Aki Tanaka Takuya Kato Chinatsu Watanabe Nobutaka Kikuchi Risa Danjo Ayano Matsuda Wakako Mori Yuki Kawabata Hikari Akiba Fumiharu Konno Yoshi Kawamoto Toshinori Omi Source Type: research

Exposure to Sublethal Concentrations of Lead (Pb) Affects Ecologically Relevant Behaviors in House Sparrows (Passer domesticus)
Arch Environ Contam Toxicol. 2024 Apr;86(3):199-216. doi: 10.1007/s00244-024-01062-0. Epub 2024 Apr 10.ABSTRACTGlobal contamination of environments with lead (Pb) poses threats to many ecosystems and populations. While exposure to Pb is toxic at high concentrations, recent literature has shown that lower concentrations can also cause sublethal, deleterious effects. However, there remains relatively little causal investigation of how exposure to lower concentrations of environmental Pb affects ecologically important behaviors. Behaviors often represent first-line responses of an organism and its internal physiological, mole...
Source: Archives of Environmental Contamination and Toxicology - April 10, 2024 Category: Environmental Health Authors: Joseph F Di Liberto Simon C Griffith Cara J Hall Alexandra S Mendelsohn John P Swaddle Source Type: research

Exposure to Sublethal Concentrations of Lead (Pb) Affects Ecologically Relevant Behaviors in House Sparrows (Passer domesticus)
Arch Environ Contam Toxicol. 2024 Apr 10. doi: 10.1007/s00244-024-01062-0. Online ahead of print.ABSTRACTGlobal contamination of environments with lead (Pb) poses threats to many ecosystems and populations. While exposure to Pb is toxic at high concentrations, recent literature has shown that lower concentrations can also cause sublethal, deleterious effects. However, there remains relatively little causal investigation of how exposure to lower concentrations of environmental Pb affects ecologically important behaviors. Behaviors often represent first-line responses of an organism and its internal physiological, molecular,...
Source: Archives of Environmental Contamination and Toxicology - April 10, 2024 Category: Environmental Health Authors: Joseph F Di Liberto Simon C Griffith Cara J Hall Alexandra S Mendelsohn John P Swaddle Source Type: research