نتایج جستجو برای: bisphenol

تعداد نتایج: 5568  

ژورنال: :مجله علمی دانشگاه علوم پزشکی گرگان 0
دکتر رستم قربانی r.ghorbani (phd) department of anatomy kermanshah university of medical sciencesنشانی : کرمانشاه ، دانشگاه علوم پزشکی کرمانشاه، دانشکده پزشکی، گروه علوم تشریح آنه محمد غراوی am.gharrvai (msc) دکتر مظفر خزاعی m.khazaei (phd) دکتر ال آقا محسن امامی aa.mohsenemami (md) دکتر علی پورمتعبد a.pourmotabbad (phd) دکتر جهانبخش قاسمی j.ghasemi (phd) دکتر پرویز صیادی

زمینه و هدف: (bpa) bisphenol a، یک زنواستروژن محیطی است که به عنوان مونومر برخی پلاستیک ها (پلی کربنات ها و اپوکسی رزین) به طور وسیعی در تولید انواع مواد وسایل از جمله مواد پر کننده دندان، ظروف یکبار مصرف و پوشش های داخلی قوطی های کنسرو استفاده می شود. این ماده به دلیل داشتن اثرات استروژنی روی سیستم تولید مثل، جز مخرب های اندوکرینی طبقه بندی می گردد. تحقیق حاضر به منظور تعیین اثر bisphenol a رو...

2014
Reza Ahmadkhaniha Masoumeh Mansouri Masud Yunesian Kobra Omidfar Maryam Zare Jeddi Bagher Larijani Alireza Mesdaghinia Noushin Rastkari

BACKGROUND Bisphenol A as an endocrine-disrupting chemical is widely used chemical in the manufacture of polycarbonate plastics and epoxy resin and has become ubiquitous environmental contaminants. Human exposure to Bisphenol A is widespread and recent studies have been shown to be associated with a higher risk for self-reported adverse health outcomes that may lead to insulin resistance and th...

Journal: :The Journal of clinical investigation 1999
P Witting K Pettersson A M Ostlund-Lindqvist C Westerlund M Wâgberg R Stocker

Antioxidants can inhibit atherosclerosis, but it is unclear how inhibition of intimal lipid oxidation relates to atherogenesis. Here we tested the effect of probucol and its metabolite bisphenol on aortic lipid (per)oxidation and atherogenesis in Watanabe heritable hyperlipidemic (WHHL) rabbits. LDL and aortas from rabbits fed probucol contained bisphenol at concentrations comparable to those i...

ژورنال: سلامت و محیط زیست 2014
بهرامی فر, نادر, کاظمی, علی, یونسی, حبیب اله,

Background and Objectives: bisphenol A and nonylphenol are xenoestrogen materials used as a monomer of plastics in widely volume in the production of plastic materials especially mineral water bottles and disposable plastic containers. In this study, we investigated the potential of migration of bisphenol A and nonylphenol from disposable plastic containers into water at different temperatures ...

Journal: :Toxicology 2005
Frederick S vom Saal Susan C Nagel Barry G Timms Wade V Welshons

Implications for human health of the extensive bisphenol A literature showing adverse effects at low doses: A response to attempts to mislead the public Bisphenol A is the chemical monomer used in the manufacture of resins that line cans, polycarbonate plastic (including many food and beverage containers), and as an additive in many other products. We respond here to an article published in Tox...

Journal: :Occupational and environmental medicine 2002
T Hanaoka N Kawamura K Hara S Tsugane

AIMS To evaluate effects of exposure to bisphenol A diglycidyl ether (BADGE) on urinary excretion of bisphenol A, and plasma gonadotrophic hormones and testosterone in male epoxy resin sprayers. METHODS Cross sectional study of 42 workers whose job was to spray epoxy resin hardening agents including BADGE and mixed organic solvents, and 42 matched control workers without BADGE use in the same...

Journal: :iranian journal of veterinary research 2013
r. el gawish m. elshabrawy ghanem t. maeda

this study was conducted to reveal the estrogenic effects of bisphenol a and o, p’-ddt on quailembryos. thirteen fertilized eggs were used as control (injected with 20 μl corn oil), 15 eggs were injectedwith estradiol 17β (0.04 mg dissolved in 20 μl corn oil), 20 eggs were injected with bpa (2 mg dissolved in20 μl corn oil) and 20 eggs were injected with o, p’-ddt (2 mg dissolved in 20 μl corn ...

Journal: :Journal of oral science 2007
Motori Kiguchi Satoshi Fujita Jun Lee Noriyoshi Shimizu Noriaki Koshikawa

Neonatal exposure of rats to bisphenol-A, an endocrine disruptor, has recently been proposed as a possible animal model of attention-deficit hyperactivity disorder, because such rats exhibit motor hyperactivity and impaired habituation to a novel environment 4-5 weeks after bisphenol-A pretreatment. To extend the original experiments, the present study additionally analyzed the effects of neona...

Journal: :The Biochemical journal 2002
Noriaki Shibata Junya Matsumoto Ken Nakada Akira Yuasa Hiroshi Yokota

Various adverse effects of endocrine disruptors on the reproductive organs of male animals have been reported. We found that UDP-glucuronosyltransferase (UGT) activities towards bisphenol A, testosterone and oestradiol were significantly decreased in liver microsomes prepared from adult male Wistar rats administered with the endocrine disruptor bisphenol A (1 mg/2 days for 2 or 4 weeks). Howeve...

Journal: :Kidney international 2012
Mian Li Yufang Bi Lu Qi Tiange Wang Min Xu Yun Huang Yu Xu Yuhong Chen Jieli Lu Weiqing Wang Guang Ning

Bisphenol A is an industrial chemical widely used in plastic products with a consequent exposure to humans. To assess whether exposure to bisphenol A is associated with renal disease, we searched for low-grade albuminuria in 3055 Chinese adults in the Shanghai metropolitan area aged 40 years or older. Using a value for urinary albumin-to-creatinine ratios <30 mg/g, we examined its association w...

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