نتایج جستجو برای: ddt and o

تعداد نتایج: 17093713  

Journal: :Toxicology and applied pharmacology 1971
R T Duby H F Travis C E Terrill

Uterotropic Activity of DDT in Rats and Mink and Its Influence on Reproduction in the Rat. DUBY, R . T., TRAVIS, H. F., and TERRILL, C. E. (1971). Toxicol. Appl. Pharmacal. 18, 348-355. The injection of o,p'-DDT increased uterine weights in intact immature rats, and in intact and castrate immature minlc The p,p' -isomer had only slight activity while the uterotropic activity of technical DDT wa...

2013
Marcella Warner Raul Aguilar Schall Kim G. Harley Asa Bradman Dana Barr Brenda Eskenazi

BACKGROUND In utero exposure to endocrine disrupting compounds including dichlorodiphenyltrichloroethane (DDT) and dichlorodiphenyldichloroethylene (DDE) has been hypothesized to increase risk of obesity later in life. OBJECTIVES The Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS) study is a longitudinal birth cohort of low-income Latinas living in a California ...

Persistent organic pollutants, (POPs), are vast distributed compounds in environment which are recognized as one of the global pollution problems. These groups of materials being dangerous due to their high stability are accumulated in animal tissues and occurring in the food chain. One of the major paths through which persistent organic combinations access to human body is consuming polluted f...

Persistent organic pollutants, (POPs), are vast distributed compounds in environment which are recognized as one of the global pollution problems. These groups of materials being dangerous due to their high stability are accumulated in animal tissues and occurring in the food chain. One of the major paths through which persistent organic combinations access to human body is consuming polluted f...

Journal: :Pediatrics 2006
Brenda Eskenazi Amy R Marks Asa Bradman Laura Fenster Caroline Johnson Dana B Barr Nicholas P Jewell

OBJECTIVE We investigated the relationship between prenatal exposure to dichlorodiphenyltrichloroethane (DDT) and dichlorodiphenyldichloroethylene (DDE) and neurodevelopment of Mexican farm-workers' children in California. METHODS Participants from the Center for the Health Assessment of Mothers and Children of Salinas study, a birth cohort study, included 360 singletons with maternal serum m...

2016
Lili Niu Chao Xu Siyu Zhu Huiming Bao Yang Xu Hongyi Li Zhijian Zhang Xichang Zhang Jiguo Qiu Weiping Liu

Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The ge...

Journal: :Malawi medical journal : the journal of Medical Association of Malawi 2010
Patrick Mangochi

Introduction The publication of Rachel Carson’s Silent Spring1 in 1962 brought in an increased awareness on the effects of chemicals in the environment and that human health is inextricably linked to the health of the environment. Since then there has been growing scientific concern, public debate and media attention over the possible effects in humans and wildlife that may result from exposure...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2001
N Rajapakse D Ong A Kortenkamp

We tested whether bisphenol A (BPA) or o,p'-DDT, when combined with 17beta-estradiol (E2), would contribute to the overall mixture effect using a yeast reporter gene assay, the yeast estrogen screen. Following comprehensive concentration-response analyses of the single agents, the pharmacologically well-founded models of concentration addition and independent action were used to predict entire ...

Journal: :Pharmacological reports : PR 2007
Anna K Wójtowicz Katarzyna Augustowska Ewa L Gregoraszczuk

JEG-3 cells were used to compare the effects of two isomers of DDT (1,1,1,-trichloro-2,2-bis(p-chlorophenyl)ethane), p,p'-DDT and o,p'-DDT and their metabolite DDE (1,1,-dichloro-2,2-bis(p-chlorophenyl)ethylene) on progesterone (P4) and human chorionic gonadotropin (hCG) secretion and cell apoptosis. Cells were treated with 1, 10, 100 ng/ml or 1 mug/ml of each compound for 24 or 72 h. Twenty fo...

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